chemical reaction Crossword Puzzles

Cellular Respiration 2018-01-29

Cellular Respiration crossword puzzle
Across
  1. The name for the chemical reactions and processes that extract energy from food so that an organism can use it.
  2. respiration includes the krebs cycle and electron transport and is an aerobic process
  3. organisms obtain energy in a process called
  4. A reaction that causes the gain of an electron.
  5. the location of the Krebs cycles inside the mitochondria
  6. An enzyme (-ase) that links two molecules
  7. A synonym for the citric acid cycle.
  8. glycolysis followed by the reduction of pyruvate o ethyl alcohol, regenerating NAD+ and releasing carbon dioxide.
  9. converts to ATP by capturing energy and a phosphate
  10. type of cellular respiration that occurs in the cytoplasm
Down
  1. the 6-C compound that is the main energy source for cellular respiration
  2. A series of electron carrier molecules that shuttle electrons during the redox reactions
  3. motor-like enzyme that makes ATP.
  4. The process of oxidizing glucose without oxygen.
  5. A reaction that causes the loss of an electron.
  6. the formation of ATP by enzyme directly transferring a phosphate group to ADP from an organic molecule
  7. Second Stage of Cellular Respiration
  8. The energy released in a chemical reaction.
  9. way in which each chemical step leads to the next; example is glycolysis
  10. the main objective of cellular respiration to produce ____

20 Clues: motor-like enzyme that makes ATP. • Second Stage of Cellular Respiration • A synonym for the citric acid cycle. • An enzyme (-ase) that links two molecules • organisms obtain energy in a process called • The energy released in a chemical reaction. • A reaction that causes the loss of an electron. • A reaction that causes the gain of an electron. • ...

Science 2023-11-21

Science crossword puzzle
Across
  1. The study of the behavior and properties of matter
  2. The study of animal life
  3. The study of matter and energy
  4. A compound that speeds up a chemical reaction
  5. The study of heredity and variation
  6. A change of a substance into a new one
  7. The outer layer of the Earth
  8. A substance that accelerates a reaction without being consumed
  9. Genetic material that carries inherited information
  10. A celestial body that orbits a star
  11. The study of weather and atmosphere
  12. A sudden shaking of the ground
  13. The process by which plants make their food
Down
  1. The study of the functions and structures of the brain
  2. The force that attracts objects toward the center of the Earth
  3. A theory explaining the structure of the universe
  4. The observable physical or biochemical characteristics of an organism, determined by its genetic makeup
  5. A section of DNA that codes for a specific protein or trait
  6. The basic unit of all living things
  7. The study of the stars and celestial bodies
  8. The study of the Earth's physical structure
  9. Substance that speeds up a chemical reaction
  10. The process by which new species develop from pre-existing species over time
  11. An individual's genetic makeup or genetic constitution
  12. Substance that cannot be broken down further

25 Clues: The study of animal life • The outer layer of the Earth • The study of matter and energy • A sudden shaking of the ground • The basic unit of all living things • The study of heredity and variation • A celestial body that orbits a star • The study of weather and atmosphere • A change of a substance into a new one • The study of the stars and celestial bodies • ...

Chapter 5 crossword puzzle 2025-12-06

Chapter 5 crossword puzzle crossword puzzle
Across
  1. __________ solution is when a cell has less water inside then outside
  2. when the product has more energy then the reactant it is an ____________ reaction
  3. measurement of randomness
  4. passive transport where particles spread out and move throughout a membrane
  5. moving energy
  6. stored energy released by a chemical reaction
  7. stored energy
  8. the passive diffusion for only water
  9. _______ transport: moving molecules through a cell membrane against the concentration gradient using ATP
  10. ________ solution is when a cell has a equal net amount of water on both the inside and outside
  11. when a phosphorus breaks off of an ______ molecule energy is released
Down
  1. the process of a cell removing waste by transporting waste via transport protein to the membrane
  2. _________ solution is when a cell has more water inside then outside
  3. the process of a cell bring big molecules in the cell using transport vacuoles
  4. when a reactant has more energy then the product it is an ________ reaction
  5. when molecules move from areas of high to low concentration
  6. _____ helps lower the activation energy for chemical reactions
  7. _____ law of thermodynamics: no energy is created nor destroyed but can be transformed
  8. heat energy
  9. _______ transport: moving molecules through a cell membrane down the concentration gradient without the use of ATP

20 Clues: heat energy • moving energy • stored energy • measurement of randomness • the passive diffusion for only water • stored energy released by a chemical reaction • when molecules move from areas of high to low concentration • _____ helps lower the activation energy for chemical reactions • _________ solution is when a cell has more water inside then outside • ...

Chapter 7 Vocabulary Review 2021-11-03

Chapter 7 Vocabulary Review crossword puzzle
Across
  1. The substance that is formed from reactants.
  2. Reaction that ABSORBS energy.
  3. The energy stored in chemical bonds.
  4. A substance that speeds up a process.
  5. The number that appears BEFORE the formula.
  6. The substances that undergo a change.
  7. A + BC--> B + AC
Down
  1. A reaction that produces heat and light.
  2. AB--> A+B
  3. AB + CD= AD + CB
  4. Example: Homeostasis
  5. RATE The rate at which reactants change.
  6. A+B--> AB
  7. Reaction that RELEASES energy.

14 Clues: AB--> A+B • A+B--> AB • AB + CD= AD + CB • A + BC--> B + AC • Example: Homeostasis • Reaction that ABSORBS energy. • Reaction that RELEASES energy. • The energy stored in chemical bonds. • A substance that speeds up a process. • The substances that undergo a change. • A reaction that produces heat and light. • RATE The rate at which reactants change. • ...

Hannah Gleckler Chapter 13 2017-10-12

Hannah Gleckler Chapter 13 crossword puzzle
Across
  1. what speeds up a chemical reaction heat or cold
  2. what a strong acid or base does in water.
  3. chemical equations must be what
  4. the number 10 is raised to in a ph equation
  5. net gain of energy
  6. what does ph stand for
Down
  1. something you must have to start a chemical reaction
  2. AB-> A+B
  3. is milk basic or acidic
  4. net release of energy
  5. chemicals that lower activation energy

11 Clues: AB-> A+B • net gain of energy • net release of energy • what does ph stand for • is milk basic or acidic • chemical equations must be what • chemicals that lower activation energy • what a strong acid or base does in water. • the number 10 is raised to in a ph equation • what speeds up a chemical reaction heat or cold • something you must have to start a chemical reaction

Matter and Energy Crossword 2021-01-22

Matter and Energy Crossword crossword puzzle
Across
  1. the amount of space a substance occupies
  2. tells you the number of energy levels in an atom
  3. the way the surface of an object reflects light
  4. a substance formed when two or more elements chemically combine
  5. The starting/original substances in a chemical reaction
  6. ability to be reshaped without breaking
  7. The new substance that is produced in a chemical reaction
  8. The relationship between the mass of a substance and its volume
  9. ability to transfer heat or electrical energy
Down
  1. tells you the number of molecules in a chemical formula
  2. subatomic particle that has a negative charge
  3. tells you the number of valence electrons in an atom
  4. subatomic particle that has a positive charge
  5. determines how easily atoms will react with others to form compounds
  6. Tells you how many atoms of each element are in the chemical formula
  7. the smallest unit of matter
  8. the amount of matter in a substance
  9. subatomic particle that has a neutral charge
  10. a pure substance made of the same type of atom

19 Clues: the smallest unit of matter • the amount of matter in a substance • ability to be reshaped without breaking • the amount of space a substance occupies • subatomic particle that has a neutral charge • subatomic particle that has a negative charge • subatomic particle that has a positive charge • ability to transfer heat or electrical energy • ...

Science - Chapter 12 Lesson 2 Matter and Its Changes 2025-04-23

Science - Chapter 12 Lesson 2 Matter and Its Changes crossword puzzle
Across
  1. The process of liquid becoming a vapor by touching a hot surface. Example: You need to ____ the water first before making tea.
  2. True or false? Rusting is a form of physical change.
  3. A state of matter that has no definite volume and no definite shape.
  4. A change in matter in which the substances that make up matter change into other substances with different chemical and physical properties. Example: Baking a cake.
  5. Make or become liquefied by heat. Example: The ice cube will ____ due to the hot conditions it was left in.
  6. A state of matter that has definite shape and definite volume.
  7. True or false? Chemical change is unreversible.
  8. A physical change in matter.
  9. A form of chemical change that is usually used at a New Year's party.
Down
  1. States that the total mass before a chemical reaction is the same as the total mass after the chemical reaction. Example: Melting an ice cube.
  2. A change in size, shape, form, or state of matter that does not change the matter's identity. Example: Boiling water.
  3. A chemical reaction that involves rusting.
  4. The ______ in particles and the distances between the particles are different for a solid, a liquid, and a gas.
  5. A state of matter that has definite volume but no definite shape.
  6. A solid that sometimes forms when two liquid combine.

15 Clues: A physical change in matter. • A chemical reaction that involves rusting. • True or false? Chemical change is unreversible. • True or false? Rusting is a form of physical change. • A solid that sometimes forms when two liquid combine. • A state of matter that has definite shape and definite volume. • A state of matter that has definite volume but no definite shape. • ...

Christmas Science 2 2025-12-16

Christmas Science 2 crossword puzzle
Across
  1. Negatively charged subatomic particle orbiting the nucleus.
  2. Substance formed when two or more different elements are bonded.
  3. Having a pH value greater than 7; basic.
  4. The loss of electrons during a chemical reaction.
  5. An enzyme break starch into sugars.
  6. Atoms of the same element with different numbers of neutrons.
Down
  1. Two or more atoms chemically bonded together.
  2. The lightest and most abundant element in the universe, an essential fuel.
  3. A reaction that releases energy in the form of heat.
  4. An insoluble solid that forms from a liquid solution during a reaction.
  5. Process of separating mixtures based on differences in boiling points.
  6. Type of chemical bond where atoms share electron pairs.
  7. A hard, crystalline form of carbon, known for its structure and value.
  8. Large molecule made of many repeating smaller units (monomers).
  9. Substance that increases the rate of reaction without being consumed.

15 Clues: An enzyme break starch into sugars. • Having a pH value greater than 7; basic. • Two or more atoms chemically bonded together. • The loss of electrons during a chemical reaction. • A reaction that releases energy in the form of heat. • Type of chemical bond where atoms share electron pairs. • Negatively charged subatomic particle orbiting the nucleus. • ...

Thermal Energy 2023-03-20

Thermal Energy crossword puzzle
Across
  1. the transfer of thermal energy through currents within a liquid or gas
  2. the transfer of thermal energy from a hotter area to a colder area
  3. a chemical reaction that absorbs heat
  4. the average kinetic energy of the atoms or molecules within a substance
  5. the transfer of thermal energy within a solid
  6. a material that heat moves through easily
Down
  1. the transfer of thermal energy through electromagnetic waves
  2. a chemical reaction that has no net energy change
  3. a chemical reaction that releases heat
  4. the motion of atoms or molecules within a substance
  5. a material that prevents the flow of heat

11 Clues: a chemical reaction that absorbs heat • a chemical reaction that releases heat • a material that prevents the flow of heat • a material that heat moves through easily • the transfer of thermal energy within a solid • a chemical reaction that has no net energy change • the motion of atoms or molecules within a substance • ...

Chemical Reactions and Equations 2022-05-25

Chemical Reactions and Equations crossword puzzle
Across
  1. Method to make the number of atoms of the elements present same on both the sides - the reactants as well as the products.
  2. A chemical reaction in which 2 or more substances combine to form a single substance
  3. A chemical reaction is which the more reactive element takes the place of a less reactive element in its compound
Down
  1. A chemical reaction in which oxygen is added to a substance or hydrogen is removed from a substance is called oxidation.
  2. The new substance formed during a chemical reaction
  3. A substance which changes the rate of the reaction without itself undergoing any change.
  4. Chemical reactions in which energy is released
  5. A chemical reaction is which both oxidation and reduction take place simultaneously

8 Clues: Chemical reactions in which energy is released • The new substance formed during a chemical reaction • A chemical reaction is which both oxidation and reduction take place simultaneously • A chemical reaction in which 2 or more substances combine to form a single substance • ...

Chemistry & Chemical Safety 2024-08-14

Chemistry & Chemical Safety crossword puzzle
Across
  1. material that is capable of igniting and burning
  2. abbreviated O/W emulsion; oil droplets emulsified in water
  3. alcohols that evaporate easily
  4. a substance that causes an increase in cellular mutations, some of which are harmful but others which have little or no effect on the body’s function; may cause cancer but not always
  5. chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
  6. the smallest chemical components (often called particles) of an element
  7. required by law for all products sold include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use and handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
  8. a stable, uniform mixture of two or more substances
  9. a measure of the acidity and alkalinity of a substance
  10. also known as bases; compounds that react with acids to form salts
  11. an ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
  12. an ion with a negative electrical charge
  13. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  14. the abbreviation used for potential hydrogen.
  15. the substance that is dissolved in a solution
  16. abbreviated W/O emulsion; water droplets emulsified in oil
  17. colorless gas with a pungent odor that is composed of hydrogen and nitrogen
  18. the simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity
  19. an atom or molecule that carries an electrical charge
  20. chemical reaction that releases a significant amount of heat
  21. sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
  22. abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile)
  23. liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
  24. subatomic particles with no charge
  25. a substance that causes or is believed to cause cancer
Down
  1. also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
  2. a solution that has a pH below 7
  3. rapid oxidation of a substance accompanied by the production of heat and light
  4. a contraction of surface active agents; substances that allow oil and water to mix, or emulsify
  5. an alpha hydroxy acid used in exfoliation and to lower the pH of products
  6. molecule containing two or more atoms of the same element in definite (fixed) proportions
  7. the substance that dissolves the solute and makes a solution
  8. special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
  9. abbreviated AHAs; acids derived from plants (mostly fruit) that are often used to exfoliate the skin
  10. a chemical combination of matter in definite (fixed) proportions
  11. an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
  12. when acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt
  13. a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
  14. unstable physical mixtures of undissolved particles in a liquid
  15. substances that should not be mixed or even stored near each other
  16. a substance that releases oxygen
  17. a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  18. characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
  19. liquids that are not capable of being mixed together to form stable solutions
  20. a change in the chemical composition or makeup of a substance
  21. material that is capable of igniting and burning, and easier to ignite than combustible material
  22. a solution that has a pH above 7
  23. characteristics that can be determined only by a chemical reaction and a chemical change in the substance
  24. the separation of an atom or molecule into positive and negative ions
  25. subatomic particles with a negative charge
  26. a very strong alkali used in chemical products and cleaners; commonly known as lye
  27. alkaline substances used to neutralize acids or raise the pH of many hair products
  28. easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
  29. any substance that occupies space and has mass
  30. subatomic particles with a positive charge
  31. an ion with a positive electrical charge
  32. science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
  33. a chemical combination of two or more atoms in definite (fixed) proportions

58 Clues: alcohols that evaporate easily • a solution that has a pH below 7 • a substance that releases oxygen • a solution that has a pH above 7 • subatomic particles with no charge • an ion with a negative electrical charge • an ion with a positive electrical charge • subatomic particles with a negative charge • subatomic particles with a positive charge • ...

Biochemistry (Full) 2023-03-16

Biochemistry (Full) crossword puzzle
Across
  1. The most important element to life
  2. A long chain of amino acids
  3. The monomers of carbohydrates
  4. The polymers of carbohydrates
  5. The part of an amino acid that determines the function of a protein
  6. A chemical reaction that makes bonds by removing water
  7. A short chain of amino acids
  8. A macromolecule that stores energy, forms cells membranes, and carries chemical messages
  9. Fatty acids that do contain a double bond
  10. Fatty acids that do not contain a double bond
  11. The nitrogen base found only in DNA
  12. Molecules with the same chemical formula whose atoms are arranged differently
  13. A protein that speeds up chemical reactions
  14. The nitrogen base found only in RNA
  15. A chemical reaction that breaks bonds by adding water
Down
  1. The polymers of nucleic acids
  2. A structure common to ALL lipids
  3. Large molecules built from monomers
  4. The type of compounds that contain carbon
  5. The type of bond that holds together amino acids
  6. The monomers of proteins
  7. The monomers of nucleic acids
  8. A macromolecule that is used to store energy and form structures in living things
  9. The type of sugar found in RNA & ATP
  10. The building blocks of polymers
  11. The type of sugar found in DNA

26 Clues: The monomers of proteins • A long chain of amino acids • A short chain of amino acids • The polymers of nucleic acids • The monomers of carbohydrates • The polymers of carbohydrates • The monomers of nucleic acids • The type of sugar found in DNA • The building blocks of polymers • A structure common to ALL lipids • The most important element to life • ...

Cellular Energetics 2021-08-24

Cellular Energetics crossword puzzle
Across
  1. Marked by or promoting metabolic activity concerned with the breakdown of complex molecules
  2. Process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
  3. A gas necessary for a plant to produce food
  4. Main type of sugar in the blood
  5. The potential of a chemical substance to undergo a chemical reaction to transform into other substances
  6. A side effect of fermentation within mammals
  7. What happens when the body has no more oxygen
  8. Primary carrier of energy in cells
  9. is radiant light and heat from the Sun
Down
  1. Without oxygen
  2. substance occurring in plant or animal tissue and producing a characteristic color
  3. A chemical element in the air necessary for human survival
  4. A side effect of fermentation within yeast
  5. transfer of oxygen and production of carbon dioxide and water as end products
  6. With oxygen
  7. The basis of fluids in living organisms
  8. A substance that takes part in and undergoes change during a reaction
  9. Membrane-bound cell organelles that generate most of the chemical energy needed to power the cell's biochemical reactions
  10. An organism that can make its own food
  11. An organism that can not make its own food

20 Clues: With oxygen • Without oxygen • Main type of sugar in the blood • Primary carrier of energy in cells • An organism that can make its own food • is radiant light and heat from the Sun • The basis of fluids in living organisms • A side effect of fermentation within yeast • An organism that can not make its own food • A gas necessary for a plant to produce food • ...

Topic 1 - Chemistry of Life (Lorena) 2017-10-06

Topic 1 - Chemistry of Life (Lorena) crossword puzzle
Across
  1. Electron in the outermost shell of an atom
  2. Made by joining of hundreds or thousands of smaller molecules
  3. Interaction between two non-polar polypeptides
  4. The polymer of amino acids
  5. It represents the ability of an atom to attract the shared electrons
  6. The smallest unit that keeps the chemical properties of an element
  7. The group of atoms in a compound
  8. A chemical reaction which a compound reacts with water to produce other compounds
Down
  1. Positively charged particle
  2. A chemical reaction which involves the loss of water and join two compounds in association
  3. The chemical substance that helps speed up chemical reactions and makes them happen easily in the plant or animal
  4. A substance that is consist of oxygen, hydrogen, and carbon. It provides heat and energy to our bodies
  5. The form of themolecular structure of DNA
  6. An attraction between two atoms (Based on redistribution of outer electron)
  7. Have same number of protons but different number of neutrons
  8. Compounds that contains carbon
  9. A particle in atomic nucleus that have no charge
  10. Formed when two atoms share electrons
  11. Very branched polymer of glucose
  12. A type of lipid that is consist of 1 glycerol and 3 fatty acids
  13. A type of protein that is used to defend and against bacteria

21 Clues: The polymer of amino acids • Positively charged particle • Compounds that contains carbon • Very branched polymer of glucose • The group of atoms in a compound • Formed when two atoms share electrons • The form of themolecular structure of DNA • Electron in the outermost shell of an atom • Interaction between two non-polar polypeptides • ...

Reactions in aqueous solution 2024-09-10

Reactions in aqueous solution crossword puzzle
Across
  1. chemical reaction that involves the exchange of ions between two compounds and produces either a precipitate, a gas, or liquid
  2. An equation shows all the particles in a solution as they realistically exist
  3. ions which do not participate in the reaction
Down
  1. the process by which the atoms of one or more substances are rearranged to form different substances; occurrence can be indicated by changes in temperature, color, odor, and physical state
  2. a model using chemical formulas to describe the identities and relative amounts of the reactants and products involved in the chemical reaction
  3. An equation includes only the particles that participate in the reaction
  4. A solution in which the solvent is water
  5. A solution is composed of the substance dissolved
  6. the most plentiful substance in solution

9 Clues: A solution in which the solvent is water • the most plentiful substance in solution • ions which do not participate in the reaction • A solution is composed of the substance dissolved • An equation includes only the particles that participate in the reaction • An equation shows all the particles in a solution as they realistically exist • ...

Enzymes 2021-10-13

Enzymes crossword puzzle
Across
  1. will speed up the reaction
  2. describes the enzyme-substrate interaction.
  3. type of enzyme inhibition where the inhibitor reduces the activity of the enzyme
  4. leads to an increase in the rate of an enzyme-catalyzed reaction.
  5. any substance that reacts to the active site of an enzyme.
  6. minimum amount of energy that must be provided for compounds to result in a chemical reaction.
  7. causes a loss of activity
  8. very large molecules containing many amino acid residues linked together in very specific order.
  9. decrease in enzyme-related processes, enzyme production, or enzyme activity.
Down
  1. The conditions under which a particular enzyme is most active
  2. states that an substrate binds to an active site and both change shape slightly
  3. competes with substrate for binding to an active site.
  4. proteins that act as biological catalysts
  5. region of an enzyme where substrate molecules bind and undergo a chemical reaction.
  6. neutral pH 7 being the optimum pH for enzymes

15 Clues: causes a loss of activity • will speed up the reaction • proteins that act as biological catalysts • describes the enzyme-substrate interaction. • neutral pH 7 being the optimum pH for enzymes • competes with substrate for binding to an active site. • any substance that reacts to the active site of an enzyme. • ...

MA-1 Types of Chemical reactions 2024-05-16

MA-1 Types of Chemical reactions crossword puzzle
Across
  1. Reaction in which both oxidation and reduction takes place
  2. Reaction in which single reactants are broken down to simpler units with the absorption of light
  3. A reaction where a single product is formed from 2 or more reactants.
  4. Reaction is one in which dissolved substances react to form one or more solid products.
  5. Reaction in which oxygen is added to or hydrogen is removed
  6. When fats and oils are oxidized,their smell and taste changes
  7. Reaction in which the energy is absorbed from the surroundings.
  8. Reaction in which a more reactive element replaces a less reactive element
Down
  1. Reaction in which acid and base react to form water and salt
  2. Decomposition reaction in which decomposition occurs by applying electricity
  3. Reaction in which a single reactant breaks down to give simpler products
  4. Gradual deterioration of metals caused by the action of air, moisture,or a chemical reaction on their surface.
  5. Reaction in which heat is released along with the products.
  6. Reaction in which there is an exchange of ions between the reactants
  7. Reaction in which oxygen is removed or hydrogen is added
  8. Decomposition reaction carried out by heating

16 Clues: Decomposition reaction carried out by heating • Reaction in which oxygen is removed or hydrogen is added • Reaction in which both oxidation and reduction takes place • Reaction in which heat is released along with the products. • Reaction in which acid and base react to form water and salt • Reaction in which oxygen is added to or hydrogen is removed • ...

Photosynthesis and Cellular Respiration 2022-11-01

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. O2
  2. CO2
  3. A process used to produce energy, carbon dioxide, and water
  4. The organisms that start the food chain
  5. A process used to create food for plants
  6. Consumers that cannot create their own food
  7. The beginning ingredients to start a chemical reaction
Down
  1. The organelle where photosynthesis takes place
  2. The outputs of a chemical reaction
  3. The organelle where cellular respiration takes place
  4. Where the first stage of cellular respiration happens
  5. Producers that create their own food
  6. The differet levels of a process
  7. The organisms that feed on other organisms
  8. C6H12O6
  9. H2O

16 Clues: O2 • CO2 • H2O • C6H12O6 • The differet levels of a process • The outputs of a chemical reaction • Producers that create their own food • The organisms that start the food chain • A process used to create food for plants • The organisms that feed on other organisms • Consumers that cannot create their own food • The organelle where photosynthesis takes place • ...

Physical Science Review 2020-11-29

Physical Science Review crossword puzzle
Across
  1. Chemical energy is converted to electrical energy at a power plant. A light bulb converts that electrical energy to what two new forms?
  2. the periodic table is organized based on this property
  3. substances that are made up of entirely of one kind of atom
  4. shiny, malleable, ductile, good conductors
  5. energy is never created or destroyed
  6. temperature is a measurement of this
  7. to change from a liquid to a solid thermal energy must be _______________
  8. mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction
  9. The formula for a sulfuric acid molecule is H2SO4. How many atoms are in each molecule?
  10. dissolving is an example of this
  11. caused by an increase or decrease in thermal energy
  12. In exothermic reactions potential energy ______________
  13. in an endothermic reaction ___________ have more energy than reactants
  14. composed of protons and neutrons
  15. Reactant → Product + ___________________; true of an exothermic reaction
  16. a huge molecule with hundreds and sometimes thousands of atoms per molecule
Down
  1. original substances are rearranged into new substances with different properties from the original substances
  2. in this type of reaction it takes more energy to break the bonds of the reactants than what is released to form the products
  3. the atomic number of sodium
  4. in an endothermic reaction the _____________gains energy
  5. stored energy due to the position or shape of something
  6. a row in the periodic table
  7. found to the right of the metalloids
  8. a type of potential energy, stored in food
  9. the element found in period 3 and group 16
  10. evidence that a chemical change has taken place
  11. group that contains the most un-reactive elements, group 18
  12. in an exothermic reaction the temperature of the surroundings __________________
  13. an example of an endothermic reaction
  14. an example of a synthetic polymer
  15. elements that share similar characteristics are found here
  16. type of energy stored in the bonds between atoms of molecules
  17. those on the outermost shell; included with the Lewis dot diagram
  18. In an endothermic reaction potential energy ______________
  19. charge of the nucleus
  20. most of the atom is _______________ ______________
  21. describes the nucleus of the atom
  22. to find the number of neutrons ___________ the atomic number from the atomic mass
  23. an example of a natural polymer
  24. subatomic particles that have about the same mass

40 Clues: charge of the nucleus • the atomic number of sodium • a row in the periodic table • an example of a natural polymer • dissolving is an example of this • composed of protons and neutrons • an example of a synthetic polymer • describes the nucleus of the atom • found to the right of the metalloids • energy is never created or destroyed • temperature is a measurement of this • ...

Autumn Kwiatkowski: Chapter 13 2021-03-03

Autumn Kwiatkowski: Chapter 13 crossword puzzle
Across
  1. AB → A+B
  2. how quickly the concentration of reactants decreases and how quickly the concentration of products increases
  3. An indicator of a chemical change is _______ of gas.
Down
  1. A+B → AB
  2. the amount of energy required to pull two bonded atoms apart
  3. One or more new compounds are formed as a result of the rearangement of atoms happens in this type of reaction.
  4. Right side of a chemical equation.
  5. Type of reaction when there is a net release of energy.
  6. Type of reaction when there is a net absortion of energy.
  7. Left side of a chemical equation.

10 Clues: A+B → AB • AB → A+B • Left side of a chemical equation. • Right side of a chemical equation. • An indicator of a chemical change is _______ of gas. • Type of reaction when there is a net release of energy. • Type of reaction when there is a net absortion of energy. • the amount of energy required to pull two bonded atoms apart • ...

Introductory Chemistry 2015-09-25

Introductory Chemistry crossword puzzle
Across
  1. can be negative or positive
  2. a neutral subatomic particle
  3. formed when a molecule loses or gains an electron
  4. the type of chemical bond where electrons are shared
  5. the substances that are present at the beginning of a chemical reaction
  6. the subatomic particle that hangs out in orbitals
  7. a positively charged subatomic particle
Down
  1. the type of chemical bond where electrons are transferred
  2. hold atoms together to make new substances
  3. smallest basic unit of matter
  4. in the center of the atom where protons and neutrons exist
  5. the substances that are present at the end of a chemical reaction
  6. a negatively charged subatomic particle
  7. a pure substance with only one kind of atom

14 Clues: can be negative or positive • a neutral subatomic particle • smallest basic unit of matter • a negatively charged subatomic particle • a positively charged subatomic particle • hold atoms together to make new substances • a pure substance with only one kind of atom • formed when a molecule loses or gains an electron • the subatomic particle that hangs out in orbitals • ...

AROMATICITY CHEMISTRY 2021-10-28

AROMATICITY CHEMISTRY crossword puzzle
Across
  1. a Friedel craft reaction that leads to the addition of alkyl substituent to a benzene ring via alkyl carbonation?
  2. Which 5-memebered heterocyclic compound is most reactive in Electrophilic aromatic substitution reactions?
  3. A chemical specie that forms a chemical bond by donating its pair of electrons.
  4. rule - A formulaic factor that is used to determine if a compound is aromatic
  5. a fully conjugated cyclic system, that is planar and obey huckle’s rule is said to be?
  6. A benzene mono-substituted with NO2 causes a relatively slow reaction of the benzene ring. What substituent group is NO2?
  7. tetrafluoroborate-In the nitration reaction, what is the other reagent that can be used instead of nitric acid and sulphuric acid at very low temperatures?
  8. Acid- Oxidation of alkyl benzene with Potassium permanganate give rise to?
  9. bromide- What catalyst is added to enable a reaction between a benzene ring and molecular bromine?
  10. The reaction between diazonium ion and cuprous salt is called
  11. Which reduction reaction reduces a carbonyl unit to CH2 under acidic conditions?
  12. groups (electron withdrawing groups) dictate their substituents to which position on the benzene ring?
Down
  1. -A Friedel – Craft reaction that causes a straight alkyl side chain to a benzene followed by the loss of (C=O).
  2. a reaction for heterocyclic compound ring construction using nitrile in the presence of azide ion or alkynes as starting material
  3. - A substituent compound or molecule that is at position 2 to the main functional group on an aromatic compound is at what position
  4. Aromatic substitution reaction that works well for both pyridine & quinoline
  5. One of the rules of aromaticity is that aromatic compounds must be what geometry-
  6. A group that increases the rate of a reaction of a benzene ring and directs incoming substituent to ortho or Para position is-
  7. Occurs when two or more 2p orbitals overlap in an acyclic or cyclic system
  8. isomerism Tautomerism is also known as what?
  9. only involves the movement of electrons and never atoms
  10. halides-Compounds that do not react with benzene without a catalyst (Lewis acid catalyst e.g., FeBr3) present.
  11. the effect of influencing the position of different groups on the benzene ring is?
  12. – a reaction for heterocyclic compound ring construction using 1,4 or 1,5- diketone
  13. Benzene is more comfortable to undergo what type of substitution reaction

25 Clues: isomerism Tautomerism is also known as what? • only involves the movement of electrons and never atoms • The reaction between diazonium ion and cuprous salt is called • Benzene is more comfortable to undergo what type of substitution reaction • Occurs when two or more 2p orbitals overlap in an acyclic or cyclic system • ...

Biology Chapter 6 - Vocabulary Words 2023-03-06

Biology Chapter 6 - Vocabulary Words crossword puzzle
Across
  1. adenosine triphosphate, the cell’s energy currency
  2. energy type that has the potential to do work; stored energy
  3. energy necessary for reactions to occur
  4. small organic molecule which is required to enhance an enzyme's activity
  5. all the chemical reactions that take place inside cells, including anabolism and catabolism
  6. potential energy in chemical bonds that releases when those bonds are broken
  7. energy transferred from one system to another that is not work (energy of the molecules' motion or particles)
  8. pathways in which complex molecules break down into simpler ones
Down
  1. total bond energy of reactants or products in a chemical reaction
  2. energy type that takes place with objects or particles in motion
  3. high-energy, unstable state (an intermediate form between the substrate and the product) occurring during a chemical reaction
  4. a system's total energy
  5. describes chemical reactions that require energy input
  6. study of energy and energy transfer involving physical matter
  7. inorganic ion, such as iron and magnesium ions, required for optimal enzyme activity regulation
  8. measure of randomness or disorder within a system
  9. process that changes a subtance's natural properties

17 Clues: a system's total energy • energy necessary for reactions to occur • measure of randomness or disorder within a system • adenosine triphosphate, the cell’s energy currency • process that changes a subtance's natural properties • describes chemical reactions that require energy input • energy type that has the potential to do work; stored energy • ...

Periodic Table 2021-10-20

Periodic Table crossword puzzle
Across
  1. This is a water molecule
  2. A substance in a chemical reaction
  3. You need this to breathe
  4. A substance in a chemical reaction
  5. It is in milk
  6. This happens when two substances react
  7. This is a molecule with oxygen and carbon
Down
  1. This makes ammonia
  2. When there are more than two atoms combined
  3. This can be made in a chemical reaction
  4. These are on the periodic table
  5. These make molecules
  6. It stands for Na for short
  7. For short it's called Cl
  8. This is an atom in carbon dioxide

15 Clues: It is in milk • This makes ammonia • These make molecules • This is a water molecule • You need this to breathe • For short it's called Cl • It stands for Na for short • These are on the periodic table • This is an atom in carbon dioxide • A substance in a chemical reaction • A substance in a chemical reaction • This happens when two substances react • ...

Science Terms 2013-06-20

Science Terms crossword puzzle
Across
  1. a chemical species that donates protons or hydrogen ions and/or accepts electrons.
  2. The substances that undergo chemical change in the reaction
  3. Enzyme that prevents oil or fat to get rancid
  4. that turns red litmus blue
  5. Reaction in which energy is absorbed
  6. gas used to prevent chips from getting oxidized
Down
  1. Process in which substance loses hydrogen
  2. New substance formed during Reaction
  3. process in which metal is attacked by moisture and acid
  4. Reaction in which an element displaces another element from compound
  5. Process in which substance gains hydrogen

11 Clues: that turns red litmus blue • New substance formed during Reaction • Reaction in which energy is absorbed • Process in which substance loses hydrogen • Process in which substance gains hydrogen • Enzyme that prevents oil or fat to get rancid • gas used to prevent chips from getting oxidized • process in which metal is attacked by moisture and acid • ...

Unit 5 2021-10-27

Unit 5 crossword puzzle
Across
  1. the temperature ....... in endothermic
  2. reaction is a chemical reaction in which energy is taken in
  3. ......+ oxygen = magnesium oxide
  4. when a substance combines with oxygen
  5. when metals reac with water or acids heat ... given out
Down
  1. physical quantity that expresses the degree of hotness or coldness
  2. hydrogen + oxygen =
  3. an example of endothermic reaction
  4. ...... + oxygen = carbon dioxide
  5. endothermic reaction example
  6. another term for burning
  7. the temperature ....... in exothermic
  8. reaction in which a substance combines with oxygen
  9. is one in which heat energy is given out

14 Clues: hydrogen + oxygen = • another term for burning • endothermic reaction example • ...... + oxygen = carbon dioxide • ......+ oxygen = magnesium oxide • an example of endothermic reaction • the temperature ....... in exothermic • when a substance combines with oxygen • the temperature ....... in endothermic • is one in which heat energy is given out • ...

Macromolecules and Enzyme Review (Biology 1) 2022-10-07

Macromolecules and Enzyme Review (Biology 1) crossword puzzle
Across
  1. Two or more atoms joined by bonds
  2. This macromolecule is made up of fats
  3. This macromolecule makes DNA and RNA
  4. What is made in a chemical reaction?
  5. These macromolecules are fast energy and their monomers are simple sugars
  6. A subunit of a large molecule
  7. This macromolecule is made up of amino acids
Down
  1. The energy needed for a chemical reaction to start
  2. A large molecule
  3. The part of an atom with a negative charge
  4. These are catalysts that speed up chemical reactions in living organisms
  5. The part of an atom with no charge
  6. Positively charged part of an atom
  7. The smallest unit of matter

14 Clues: A large molecule • The smallest unit of matter • A subunit of a large molecule • Two or more atoms joined by bonds • The part of an atom with no charge • Positively charged part of an atom • This macromolecule makes DNA and RNA • What is made in a chemical reaction? • This macromolecule is made up of fats • The part of an atom with a negative charge • ...

quick and yeast breads 2021-02-11

quick and yeast breads crossword puzzle
Across
  1. causes chemical reaction to make baked goods rise
  2. to stir in rapid circular motion
  3. has protein to create gluten
  4. seasonings added to baked products
  5. needs acidic ingredient to create rising reaction
  6. unrerfined or partially refined sugar
  7. adds flavor and tenderness
  8. adds richening flavor
Down
  1. bread leavened with a chemical
  2. foams up and bubbles when added to baking soda
  3. causes bread to rise
  4. process of folding, pushing and turning dough until it becomes not sticky
  5. used instead of yeast in baking
  6. sweetener ends with "nilla"
  7. beaten add air and volume

15 Clues: causes bread to rise • adds richening flavor • beaten add air and volume • adds flavor and tenderness • sweetener ends with "nilla" • has protein to create gluten • bread leavened with a chemical • used instead of yeast in baking • to stir in rapid circular motion • seasonings added to baked products • unrerfined or partially refined sugar • ...

Chemistry & Chemical Safety 2024-03-20

Chemistry & Chemical Safety crossword puzzle
Across
  1. material that is capable of igniting and burning
  2. abbreviated O/W emulsion; oil droplets emulsified in water
  3. alcohols that evaporate easily
  4. a substance that causes an increase in cellular mutations, some of which are harmful but others which have little or no effect on the body’s function; may cause cancer but not always
  5. chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
  6. the smallest chemical components (often called particles) of an element
  7. required by law for all products sold include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use and handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
  8. a stable, uniform mixture of two or more substances
  9. a measure of the acidity and alkalinity of a substance
  10. also known as bases; compounds that react with acids to form salts
  11. an ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
  12. an ion with a negative electrical charge
  13. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  14. the abbreviation used for potential hydrogen.
  15. the substance that is dissolved in a solution
  16. abbreviated W/O emulsion; water droplets emulsified in oil
  17. colorless gas with a pungent odor that is composed of hydrogen and nitrogen
  18. the simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity
  19. an atom or molecule that carries an electrical charge
  20. chemical reaction that releases a significant amount of heat
  21. sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
  22. abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile)
  23. liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
  24. subatomic particles with no charge
  25. a substance that causes or is believed to cause cancer
Down
  1. also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
  2. a solution that has a pH below 7
  3. rapid oxidation of a substance accompanied by the production of heat and light
  4. a contraction of surface active agents; substances that allow oil and water to mix, or emulsify
  5. an alpha hydroxy acid used in exfoliation and to lower the pH of products
  6. molecule containing two or more atoms of the same element in definite (fixed) proportions
  7. the substance that dissolves the solute and makes a solution
  8. special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
  9. abbreviated AHAs; acids derived from plants (mostly fruit) that are often used to exfoliate the skin
  10. a chemical combination of matter in definite (fixed) proportions
  11. an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
  12. when acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt
  13. a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
  14. unstable physical mixtures of undissolved particles in a liquid
  15. substances that should not be mixed or even stored near each other
  16. a substance that releases oxygen
  17. a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  18. characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
  19. liquids that are not capable of being mixed together to form stable solutions
  20. a change in the chemical composition or makeup of a substance
  21. material that is capable of igniting and burning, and easier to ignite than combustible material
  22. a solution that has a pH above 7
  23. characteristics that can be determined only by a chemical reaction and a chemical change in the substance
  24. the separation of an atom or molecule into positive and negative ions
  25. subatomic particles with a negative charge
  26. a very strong alkali used in chemical products and cleaners; commonly known as lye
  27. alkaline substances used to neutralize acids or raise the pH of many hair products
  28. easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
  29. any substance that occupies space and has mass
  30. subatomic particles with a positive charge
  31. an ion with a positive electrical charge
  32. science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
  33. a chemical combination of two or more atoms in definite (fixed) proportions

58 Clues: alcohols that evaporate easily • a solution that has a pH below 7 • a substance that releases oxygen • a solution that has a pH above 7 • subatomic particles with no charge • an ion with a negative electrical charge • an ion with a positive electrical charge • subatomic particles with a negative charge • subatomic particles with a positive charge • ...

Types of Chemical Reaction By Evan Dennis 10L 2025-04-25

Types of Chemical Reaction By Evan Dennis 10L crossword puzzle
Across
  1. Reaction The reaction in which one reactant gets oxidised while other gets reduced
  2. Reactions The reaction in which a single substance decomposes to give two or more substances.
  3. gain of oxygen or loss of hydrogen
  4. Reaction – Any reaction that produces a precipitate is called a precipitation reaction.
  5. Reaction The reaction in which two or more substances combine to form a new single substance
  6. When fats and oils are oxidised they become rancid and their smell and taste change.
Down
  1. When a decompositon reaction is carried out by heating
  2. Reaction The chemical Reaction in which an element displaces another element from its solution
  3. Reactions Reaction in which heat is released along with the formation of products
  4. When a decomposition reaction is carried out by electric current
  5. When a decomposition reaction is carried out by light
  6. Reactions The reactions which require energy in the form of heat, light or electricty
  7. Reaction The reaction in which two different atoms or group of atoms are mutually exchanged
  8. loss of oxygen or gain of hydrogen
  9. When a metal is attacked by substances around it such as moisture, acids etc.

15 Clues: gain of oxygen or loss of hydrogen • loss of oxygen or gain of hydrogen • When a decomposition reaction is carried out by light • When a decompositon reaction is carried out by heating • When a decomposition reaction is carried out by electric current • When a metal is attacked by substances around it such as moisture, acids etc. • ...

Thermochemistry 2022-12-12

Thermochemistry crossword puzzle
Across
  1. the SI unit of work or energy
  2. the quantity of heat required to raise the temperature of one gram
  3. the quantitative property that is transferred to a body or to a physical system.
  4. of fusion the quantity of heat necessary to change 1 g of a solid to a liquid
  5. device for measuring the heat developed during a mechanical, electrical, or chemical reaction
  6. the sum of the internal energy
  7. A measurement of the energy content of food
  8. the study of chemical reactions and the energy changes that involve heat.
  9. stored in the chemical bonds of a substance
  10. of vaporization the heat absorbed by one mole of a substance
Down
  1. stored energy that depends upon the relative position of various parts of a system
  2. the thermal aspects in order to examine its physical and chemical changes
  3. absorption of heat
  4. heat energy given out when one mole of a substance
  5. the measurement of energy in a thermodynamic system
  6. the energy an object has because of its motion.
  7. reaction in which energy is released in the form of light or heat
  8. degree of hotness or coldness of an object
  9. the transfer of kinetic energy from one medium or object to another

19 Clues: absorption of heat • the SI unit of work or energy • the sum of the internal energy • degree of hotness or coldness of an object • A measurement of the energy content of food • stored in the chemical bonds of a substance • the energy an object has because of its motion. • heat energy given out when one mole of a substance • ...

Chemecal crossword 2020-05-17

Chemecal crossword crossword puzzle
Across
  1. when an electron relocates from an atom or molecule to another such chemical entity.
  2. The oxidation number of each atom can be calculated by subtracting the sum of lone pairs and electrons it gains from bonds from the number of valence electrons.
  3. an element or compound that loses (or "donates") an electron to an electron recipient (oxidizing agent) in a redox chemical reaction.
  4. combine or become combined chemically with oxygen.
Down
  1. a chemical reaction that involves the gaining of electrons by one of the atoms involved in the reaction between two chemicals.
  2. Any reaction that doesn't have at least one atom that increases in oxidation number during the reaction and at least one atom that decreases in oxidation number during the reaction is not a redox reaction.
  3. Oxidation is the loss of electrons during a reaction by a molecule
  4. a substance that has the ability to oxidize other substances
  5. a type of chemical reaction in which the oxidation states of atoms are changed.

9 Clues: combine or become combined chemically with oxygen. • a substance that has the ability to oxidize other substances • Oxidation is the loss of electrons during a reaction by a molecule • a type of chemical reaction in which the oxidation states of atoms are changed. • when an electron relocates from an atom or molecule to another such chemical entity. • ...

Types of Reactions 2024-05-08

Types of Reactions crossword puzzle
Across
  1. reaction in which reduction and oxidation occur at the same time
  2. decomposition in which heat energy is absorbed
  3. reaction in which a more reactive element replaces a less reactive element from its compound
  4. reaction in which the reactants give out heat.
  5. double displacement reaction in which an acid and salt react to form acid and base
  6. process happening in green plants which is endothermic in nature
  7. process happening in human body which is exothermic in nature
  8. reaction in which a single reactant decomposes to form multiple prodcuts
  9. reaction in which oxygen is lost from a substance
Down
  1. reaction in which an exchange of ions takes place between the reactants
  2. reaction in which oxygen is added to a substance.
  3. decomposition in which light energy is absorbed
  4. decomposition in which electricity is passed through
  5. double displacement reaction in which insoluble solid is formed
  6. reaction in which two or more substances combine to form a single product
  7. chemical reactions in which the reactants absorb heat.

16 Clues: decomposition in which heat energy is absorbed • reaction in which the reactants give out heat. • decomposition in which light energy is absorbed • reaction in which oxygen is added to a substance. • reaction in which oxygen is lost from a substance • decomposition in which electricity is passed through • chemical reactions in which the reactants absorb heat. • ...

Types of Reactions 2024-05-08

Types of Reactions crossword puzzle
Across
  1. reaction in which reduction and oxidation occur at the same time
  2. decomposition in which heat energy is absorbed
  3. reaction in which a more reactive element replaces a less reactive element from its compound
  4. reaction in which the reactants give out heat.
  5. double displacement reaction in which an acid and base react to form water and salt
  6. process happening in green plants which is endothermic in nature
  7. process happening in human body which is exothermic in nature
  8. reaction in which a single reactant decomposes to form multiple products.
  9. reaction in which oxygen is lost from a substance
Down
  1. reaction in which an exchange of ions takes place between the reactants
  2. reaction in which oxygen is added to a substance.
  3. decomposition in which light energy is absorbed
  4. decomposition in which electricity is passed through
  5. double displacement reaction in which insoluble solid is formed
  6. reaction in which two or more substances combine to form a single product
  7. chemical reactions in which the reactants absorb heat.

16 Clues: decomposition in which heat energy is absorbed • reaction in which the reactants give out heat. • decomposition in which light energy is absorbed • reaction in which oxygen is added to a substance. • reaction in which oxygen is lost from a substance • decomposition in which electricity is passed through • chemical reactions in which the reactants absorb heat. • ...

Honors Biology Concepts 1-3 Review 2025-04-29

Honors Biology Concepts 1-3 Review crossword puzzle
Across
  1. get energy from living or once-living organisms
  2. eat other animals
  3. eat dead materials
  4. eat other animals and vegetation
  5. made by a chemical reaction; outputs
  6. eat vegetation
  7. when an enzyme's active site gets deformed
Down
  1. all of the reactions within each cell of an organism
  2. reactions that build larger molecules
  3. reactions that break down larger molecules
  4. reactions that release energy
  5. proteins that speed up biochemical reactions
  6. reactions that absorb energy
  7. there are three of these in an ATP molecule
  8. get energy from nonliving sources
  9. released when a phosphate group is removed from ATP
  10. changed during a chemical reaction; inputs

17 Clues: eat vegetation • eat other animals • eat dead materials • reactions that absorb energy • reactions that release energy • eat other animals and vegetation • get energy from nonliving sources • made by a chemical reaction; outputs • reactions that build larger molecules • reactions that break down larger molecules • changed during a chemical reaction; inputs • ...

Chapter 2 2023-09-21

Chapter 2 crossword puzzle
Across
  1. all sweet carbohydrates
  2. end substances after a biological process occurred.
  3. large class of chemical compounds.
  4. compounds consisting of carbon,hydrogen,and oxygen.
  5. is always a protein
  6. basic building blocks of nucleic acids.
  7. a substance that reduces or suppresses the activity of another substance.
Down
  1. the substances which participate in a chemical reaction.
  2. molecules that combine to form proteins.
  3. a molecule which can facilitate a chemical reaction.
  4. the act or process of sticking together of a like molecules.
  5. having an uneven distribution of electron density.
  6. the binding between dissimilar substances.
  7. group of organic compounds including fats, oils, and hormones.

14 Clues: is always a protein • all sweet carbohydrates • large class of chemical compounds. • basic building blocks of nucleic acids. • molecules that combine to form proteins. • the binding between dissimilar substances. • having an uneven distribution of electron density. • end substances after a biological process occurred. • compounds consisting of carbon,hydrogen,and oxygen. • ...

chemistry 2021-10-08

chemistry crossword puzzle
Across
  1. a vertical column of elements in the periodic table- can show number of valence electrons.
  2. a group of two or more atoms held together by chemical bonds.
  3. Change a change in matter that cannot be reversed and results in a new substance being formed; signs of chemical change include gas production (bubbles), color change, temperature change, and/or precipitate forms.
  4. in a solution, the substance that dissolves.
  5. an element that has physical and chemical properties of both metals and nonmetals; can be a semi-conductor.
  6. a homogeneous mixture in which one substance completely dissolves in another substance.
  7. hard substance that will break or shatter easily.
  8. elements classified by physical properties that include shininess, malleability, ductility and conductivity.
  9. the smallest component of an element having the chemical properties of the element; smallest unit of matter
  10. Mass total mass of the protons and neutrons in an atom, measured in atomic mass units; number of protons + neutrons
  11. Number the number of protons in the nucleus of an atom.
  12. the elements or compounds produced by a chemical reaction.
  13. a solid that forms during a chemical reaction that takes place in a solution.
Down
  1. Mixture a mixture in which substances are not distributed evenly. (You can see the different parts)
  2. a horizontal row of elements in the periodic table- shows number of electron shells for an element.
  3. Mixture a mixture in which substances are distributed evenly. (You cannot see the different parts)
  4. Change a change in matter that usually can be reversed such as size, shape, or state.
  5. a substance that is present at the beginning of a chemical reaction.
  6. the tendency of a substance to undergo chemical changes.
  7. used to describe a material that can be hammered or beaten into thin sheets.
  8. in a solution, the substance that does the dissolving.
  9. an element that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is dull.
  10. of Conservation of Mass the scientific principle that matter is neither created nor destroyed during a chemical change.
  11. a pure substance that is made up of only one kind of atom
  12. the ability of a substance to be pulled into a wire.
  13. a combination of two or more substances that are not chemically combined.
  14. a pure substance that forms when two or more elements are held together by a chemical bond; Every molecule of a compound is the same.
  15. an atom that has lost or gained an electrons and therefore has an electrical charge.

28 Clues: in a solution, the substance that dissolves. • hard substance that will break or shatter easily. • the ability of a substance to be pulled into a wire. • in a solution, the substance that does the dissolving. • Number the number of protons in the nucleus of an atom. • the tendency of a substance to undergo chemical changes. • ...

Chemistry & Chemical Safety 2023-08-22

Chemistry & Chemical Safety crossword puzzle
Across
  1. material that is capable of igniting and burning
  2. abbreviated O/W emulsion; oil droplets emulsified in water
  3. alcohols that evaporate easily
  4. a substance that causes an increase in cellular mutations, some of which are harmful but others which have little or no effect on the body’s function; may cause cancer but not always
  5. chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
  6. the smallest chemical components (often called particles) of an element
  7. required by law for all products sold include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use and handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
  8. a stable, uniform mixture of two or more substances
  9. a measure of the acidity and alkalinity of a substance
  10. also known as bases; compounds that react with acids to form salts
  11. an ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
  12. an ion with a negative electrical charge
  13. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  14. the abbreviation used for potential hydrogen.
  15. the substance that is dissolved in a solution
  16. abbreviated W/O emulsion; water droplets emulsified in oil
  17. colorless gas with a pungent odor that is composed of hydrogen and nitrogen
  18. the simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity
  19. an atom or molecule that carries an electrical charge
  20. chemical reaction that releases a significant amount of heat
  21. sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
  22. abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile)
  23. liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
  24. subatomic particles with no charge
  25. a substance that causes or is believed to cause cancer
Down
  1. also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
  2. a solution that has a pH below 7
  3. rapid oxidation of a substance accompanied by the production of heat and light
  4. a contraction of surface active agents; substances that allow oil and water to mix, or emulsify
  5. an alpha hydroxy acid used in exfoliation and to lower the pH of products
  6. molecule containing two or more atoms of the same element in definite (fixed) proportions
  7. the substance that dissolves the solute and makes a solution
  8. special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
  9. abbreviated AHAs; acids derived from plants (mostly fruit) that are often used to exfoliate the skin
  10. a chemical combination of matter in definite (fixed) proportions
  11. an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
  12. when acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt
  13. a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
  14. unstable physical mixtures of undissolved particles in a liquid
  15. substances that should not be mixed or even stored near each other
  16. a substance that releases oxygen
  17. a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  18. characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
  19. liquids that are not capable of being mixed together to form stable solutions
  20. a change in the chemical composition or makeup of a substance
  21. material that is capable of igniting and burning, and easier to ignite than combustible material
  22. a solution that has a pH above 7
  23. characteristics that can be determined only by a chemical reaction and a chemical change in the substance
  24. the separation of an atom or molecule into positive and negative ions
  25. subatomic particles with a negative charge
  26. a very strong alkali used in chemical products and cleaners; commonly known as lye
  27. alkaline substances used to neutralize acids or raise the pH of many hair products
  28. easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
  29. any substance that occupies space and has mass
  30. subatomic particles with a positive charge
  31. an ion with a positive electrical charge
  32. science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
  33. a chemical combination of two or more atoms in definite (fixed) proportions

58 Clues: alcohols that evaporate easily • a solution that has a pH below 7 • a substance that releases oxygen • a solution that has a pH above 7 • subatomic particles with no charge • an ion with a negative electrical charge • an ion with a positive electrical charge • subatomic particles with a negative charge • subatomic particles with a positive charge • ...

Chemistry & Chemical Safety 2025-03-20

Chemistry & Chemical Safety crossword puzzle
Across
  1. material that is capable of igniting and burning
  2. abbreviated O/W emulsion; oil droplets emulsified in water
  3. alcohols that evaporate easily
  4. a substance that causes an increase in cellular mutations, some of which are harmful but others which have little or no effect on the body’s function; may cause cancer but not always
  5. chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
  6. the smallest chemical components (often called particles) of an element
  7. required by law for all products sold include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use and handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
  8. a stable, uniform mixture of two or more substances
  9. a measure of the acidity and alkalinity of a substance
  10. also known as bases; compounds that react with acids to form salts
  11. an ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
  12. an ion with a negative electrical charge
  13. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  14. the abbreviation used for potential hydrogen.
  15. the substance that is dissolved in a solution
  16. abbreviated W/O emulsion; water droplets emulsified in oil
  17. colorless gas with a pungent odor that is composed of hydrogen and nitrogen
  18. the simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity
  19. an atom or molecule that carries an electrical charge
  20. chemical reaction that releases a significant amount of heat
  21. sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
  22. abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile)
  23. liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
  24. subatomic particles with no charge
  25. a substance that causes or is believed to cause cancer
Down
  1. also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
  2. a solution that has a pH below 7
  3. rapid oxidation of a substance accompanied by the production of heat and light
  4. a contraction of surface active agents; substances that allow oil and water to mix, or emulsify
  5. an alpha hydroxy acid used in exfoliation and to lower the pH of products
  6. molecule containing two or more atoms of the same element in definite (fixed) proportions
  7. the substance that dissolves the solute and makes a solution
  8. special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
  9. abbreviated AHAs; acids derived from plants (mostly fruit) that are often used to exfoliate the skin
  10. a chemical combination of matter in definite (fixed) proportions
  11. an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
  12. when acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt
  13. a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
  14. unstable physical mixtures of undissolved particles in a liquid
  15. substances that should not be mixed or even stored near each other
  16. a substance that releases oxygen
  17. a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  18. characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
  19. liquids that are not capable of being mixed together to form stable solutions
  20. a change in the chemical composition or makeup of a substance
  21. material that is capable of igniting and burning, and easier to ignite than combustible material
  22. a solution that has a pH above 7
  23. characteristics that can be determined only by a chemical reaction and a chemical change in the substance
  24. the separation of an atom or molecule into positive and negative ions
  25. subatomic particles with a negative charge
  26. a very strong alkali used in chemical products and cleaners; commonly known as lye
  27. alkaline substances used to neutralize acids or raise the pH of many hair products
  28. easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
  29. any substance that occupies space and has mass
  30. subatomic particles with a positive charge
  31. an ion with a positive electrical charge
  32. science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
  33. a chemical combination of two or more atoms in definite (fixed) proportions

58 Clues: alcohols that evaporate easily • a solution that has a pH below 7 • a substance that releases oxygen • a solution that has a pH above 7 • subatomic particles with no charge • an ion with a negative electrical charge • an ion with a positive electrical charge • subatomic particles with a negative charge • subatomic particles with a positive charge • ...

7c3 revision 2022-05-27

7c3 revision crossword puzzle
Across
  1. The reaction of an acid and a base forming salt and water.Acid + Base → Salt + Water
  2. A substance that is neither acid acid or alkali, is at pH7.
  3. A substance which contains hydrogen particles and has a pH lower than 7.
  4. The elements or compounds produced by a chemical reaction.
  5. A substance that changes to a different colour in acid and alkali.
Down
  1. reaction The process by which one or more substances change to produce one or more different substances.
  2. a substance that contains hydroxide particles
  3. A solution of calcium hydroxide, used to test for carbon dioxide. Turns from clear to milky white in the presence of carbon dioxide.
  4. A chemical substance that is present at the start of a chemical reaction.
  5. The smallest particle of an element; made of electrons, protons, and neutrons.
  6. A compound made from the neutralisation of an acid with a base.

11 Clues: a substance that contains hydroxide particles • The elements or compounds produced by a chemical reaction. • A substance that is neither acid acid or alkali, is at pH7. • A compound made from the neutralisation of an acid with a base. • A substance that changes to a different colour in acid and alkali. • ...

Sebastián Trujillo EZYMES 10´C´ 2022-01-18

Sebastián Trujillo EZYMES 10´C´ crossword puzzle
Across
  1. relating to or connected with species or a species.
  2. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
  3. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  4. A shape or figure is the form of an object or its external boundary, outline, or external surface
  5. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  6. a mechanical device fixed to a ski to grip a ski boot
Down
  1. a region on an enzyme that binds to a protein or other substance during a reaction.
  2. A chemical change happens when one chemical substance is transformed into one or more different substances
  3. a related group of emotionally significant ideas that are completely or partly repressed and that cause psychic conflict
  4. the substance on which an enzyme acts
  5. proteins collectively, especially as a

11 Clues: the substance on which an enzyme acts • proteins collectively, especially as a • relating to or connected with species or a species. • a mechanical device fixed to a ski to grip a ski boot • a region on an enzyme that binds to a protein or other substance during a reaction. • ...

⠀⠀ 2025-11-25

⠀⠀ crossword puzzle
Across
  1. Which atom or molecule has a net negative charge because it has gained one or more electrons?
  2. What is the number of protons in an atom’s nucleus, which identifies the element?
  3. What is the charge of a cation; an ion that has lost electrons?
  4. What describes a molecule with an even sharing of electrons and no overall charge?
  5. What is a measure of an atom’s ability to attract a shared pair of electrons in a bond?
  6. What type of substance tastes sour, has a \text{pH} below 7, and donates hydrogen ions (\text{H}^+) in water?
  7. What type of bond is formed by the electrostatic attraction between oppositely charged ions?
  8. In a biological system, what specific function does an enzyme perform, and which part of the enzyme is responsible for this function?
  9. What term describes the loss of electrons by a substance during a chemical reaction (often paired with "reduction"?
  10. What is the minimum amount of energy required to start a chemical reaction, often viewed as the energy barrier reactants must overcome?
  11. What is the one- or two-letter abbreviation used to represent an element?
  12. What defines a system that is in dynamic equilibrium, and what must be true about the forward and reverse reaction rates?
  13. State the Second Law of Thermodynamics and explain its relationship to entropy in the universe.
  14. Which subatomic particle has a positive charge and determines the element's atomic number?
  15. What are the characteristic products of an acid-base neutralization reaction?
  16. What type of energy is associated with motion?
  17. Give a common example of a substance that undergoes sublimation at standard atmospheric pressure, and explain the phase change.
Down
  1. What is the approximate mass of an atom, equal to the sum of protons and neutrons?
  2. Why does condensation occur when moist air is cooled below its dew point?
  3. Which thermodynamic property, symbolized as \Delta H, represents the heat energy absorbed or released by a system at constant pressure?
  4. How does the introduction of a catalyst affect the reaction coordinate diagram and the overall rate of a chemical reaction?
  5. How does the process of deposition differ from condensation in terms of the initial and final states of matter?
  6. Which atom or molecule has a net positive charge because it has lost one or more electrons?
  7. Write a balanced general chemical equation for a complete combustion reaction involving a hydrocarbon.
  8. What type of substance tastes bitter, feels slippery, has a \text{pH} above 7, and accepts hydrogen ions (\text{H}^+) or donates \text{OH}^- ions?
  9. Which subatomic particle orbits the nucleus, has a negative charge, and is responsible for all chemical bonding?
  10. What is the charge of an anion; an ion that has gained electrons?
  11. What describes a molecule with an uneven sharing of electrons, creating a dipole?
  12. Which neutral subatomic particle, when added or removed, creates an isotope of an element?
  13. What is the result of a precipitation reaction, and how can one predict whether a precipitate will form when two solutions are mixed?

30 Clues: What type of energy is associated with motion? • What is the charge of a cation; an ion that has lost electrons? • What is the charge of an anion; an ion that has gained electrons? • Why does condensation occur when moist air is cooled below its dew point? • What is the one- or two-letter abbreviation used to represent an element? • ...

Chapter 2 2023-09-21

Chapter 2 crossword puzzle
Across
  1. all sweet carbohydrates
  2. end substances after a biological process occurred.
  3. large class of chemical compounds.
  4. compounds consisting of carbon,hydrogen,and oxygen.
  5. is always a protein
  6. basic building blocks of nucleic acids.
  7. a substance that reduces or suppresses the activity of another substance.
Down
  1. the substances which participate in a chemical reaction.
  2. molecules that combine to form proteins.
  3. a molecule which can facilitate a chemical reaction.
  4. the act or process of sticking together of a like molecules.
  5. having an uneven distribution of electron density.
  6. the binding between dissimilar substances.
  7. group of organic compounds including fats, oils, and hormones.

14 Clues: is always a protein • all sweet carbohydrates • large class of chemical compounds. • basic building blocks of nucleic acids. • molecules that combine to form proteins. • the binding between dissimilar substances. • having an uneven distribution of electron density. • end substances after a biological process occurred. • compounds consisting of carbon,hydrogen,and oxygen. • ...

Chapter 2 2023-09-21

Chapter 2 crossword puzzle
Across
  1. all sweet carbohydrates
  2. end substances after a biological process occurred.
  3. large class of chemical compounds.
  4. compounds consisting of carbon,hydrogen,and oxygen.
  5. is always a protein
  6. basic building blocks of nucleic acids.
  7. a substance that reduces or suppresses the activity of another substance.
Down
  1. the substances which participate in a chemical reaction.
  2. molecules that combine to form proteins.
  3. a molecule which can facilitate a chemical reaction.
  4. the act or process of sticking together of a like molecules.
  5. having an uneven distribution of electron density.
  6. the binding between dissimilar substances.
  7. group of organic compounds including fats, oils, and hormones.

14 Clues: is always a protein • all sweet carbohydrates • large class of chemical compounds. • basic building blocks of nucleic acids. • molecules that combine to form proteins. • the binding between dissimilar substances. • having an uneven distribution of electron density. • end substances after a biological process occurred. • compounds consisting of carbon,hydrogen,and oxygen. • ...

Chemistry 2025-08-21

Chemistry crossword puzzle
Across
  1. – Neutral particles in an atom’s nucleus.
  2. – A reaction that absorbs heat.
  3. – Number of protons in the nucleus of an atom.
  4. – A bond formed by sharing electrons.
  5. – Positively charged particles in an atom's nucleus.
  6. – A reaction that releases heat.
Down
  1. – A substance made of two or more substances not chemically combined.
  2. – A short-hand way to represent a chemical reaction.
  3. – The basic unit of a chemical element.
  4. – Particles with a negative charge found outside the nucleus.
  5. – A chart that organizes all known elements by atomic number.
  6. – The center of an atom, containing protons and neutrons.
  7. – A bond formed by the transfer of electrons.
  8. – Two or more elements chemically combined.
  9. – A pure substance made of only one kind of atom.

15 Clues: – A reaction that absorbs heat. • – A reaction that releases heat. • – A bond formed by sharing electrons. • – The basic unit of a chemical element. • – Neutral particles in an atom’s nucleus. • – Two or more elements chemically combined. • – A bond formed by the transfer of electrons. • – Number of protons in the nucleus of an atom. • ...

Choice board crossword 2017-05-17

Choice board crossword crossword puzzle
Across
  1. to take in
  2. scientific material
  3. takes in heat
  4. a form of matter
Down
  1. the result of a chemical reaction
  2. what you think will happen
  3. produced in a chemical reaction
  4. what reacts
  5. gives out heat
  6. to heat up

10 Clues: to take in • to heat up • what reacts • takes in heat • gives out heat • a form of matter • scientific material • what you think will happen • produced in a chemical reaction • the result of a chemical reaction

Enzymes and Metabolism 2021-10-25

Enzymes and Metabolism crossword puzzle
Across
  1. Energy that is stored
  2. Organic cofactors
  3. Pathways that break down complex molecules
  4. Speeds up a chemical reaction
  5. Energy that is being used
  6. All reactions that occur in a cell
  7. Amount of energy to start a reaction
  8. A nonspontaneous reaction
Down
  1. A spontaneous reaction
  2. Nonprotein helpers
  3. Pathways that consume energy
  4. Amount of disorder in a system

12 Clues: Organic cofactors • Nonprotein helpers • Energy that is stored • A spontaneous reaction • Energy that is being used • A nonspontaneous reaction • Pathways that consume energy • Speeds up a chemical reaction • Amount of disorder in a system • All reactions that occur in a cell • Amount of energy to start a reaction • Pathways that break down complex molecules

Chemistry Crossword 2025-12-19

Chemistry Crossword crossword puzzle
Across
  1. The part of a chemical equation you can change
  2. If there are more or less atoms on one side of the equation it is
  3. Combined elements that make a completely new substance
  4. The symbol that represents a reaction in a chemical equation
  5. The starting substances at the beginning of a chemical reaction
Down
  1. If the chemical reaction has the same number of atoms on both sides than it is
  2. Where protons and neutrons are found in an atom
  3. Where electrons are found in an atom
  4. The small numbers in a compound
  5. What everything is made of

10 Clues: What everything is made of • The small numbers in a compound • Where electrons are found in an atom • The part of a chemical equation you can change • Where protons and neutrons are found in an atom • Combined elements that make a completely new substance • The symbol that represents a reaction in a chemical equation • ...

Unit 5 2025-01-08

Unit 5 crossword puzzle
Across
  1. of momentum – Total momentum of a system remains constant if no external forces act on the system.
  2. of metal – Takes place when a chemical reaction occurs on a metal's surface while oxygen is present; electrons move from the metal to the oxygen molecules, creating a metal-oxide surface and producing heat and light.
  3. – How far away an object has moved from its original position.
  4. force – The weakest attractive force between any two objects; depends on the masses of the objects and distance between them.
  5. decay – A beta particle emitted from an atomic nucleus.
  6. force – The force that acts on all charged particles; attractive or repulsive force between a magnet and electric charges.
  7. – The compound/elements that are present after the chemical reaction.
  8. – The rate at which an object changes its velocity.
  9. – A substance that neutralizes acid to form water; has a pH above 7.
  10. decay – Contains no mass or charge; travels at the speed of light.
Down
  1. – The spot where an object is placed, typically represented as coordinate(s).
  2. – A parent atom that splits into two daughter atoms.
  3. – Two or more atomic nuclei combining to form a new nucleus.
  4. – The compound/elements that are present before the chemical reaction.
  5. – A change in momentum over time.
  6. – An object that behaves like any other magnet when there is an electric field running through it.
  7. reaction – The rearrangement of atoms to form new substances with different properties.
  8. – The rate at which an object changes its position.
  9. nuclear force – The weak attraction in the nucleus between protons and neutrons; can cause neutrons to decay in the instance of a high proton-to-neutron ratio.
  10. decay – A type of fission reaction that produces an alpha particle.
  11. – A substance that neutralizes a base to form water; has a pH less than 7.
  12. – Elements found on the left side of the Periodic Table and have properties such as shiny, malleable, and good conductors of heat and electricity.
  13. – How much inertia an object in motion has.

23 Clues: – A change in momentum over time. • – How much inertia an object in motion has. • – The rate at which an object changes its position. • – The rate at which an object changes its velocity. • – A parent atom that splits into two daughter atoms. • decay – A beta particle emitted from an atomic nucleus. • – Two or more atomic nuclei combining to form a new nucleus. • ...

Photosynthesis 2023-09-28

Photosynthesis crossword puzzle
Across
  1. _______ means to make or put together
  2. Gas that is needed for photosynthesis
  3. Pigment responsible for the color green
  4. Photo means _______
  5. What goes into a chemical reaction
Down
  1. Besides carbon dioxide and sunlight, plants need _______
  2. What is the main source of energy plants need for photosynthesis
  3. Organelle that undergoes photosynthesis
  4. C6H12O6 is the chemical formula for ______
  5. Gas produced in photosynthesis
  6. What comes out of a chemical reaction

11 Clues: Photo means _______ • Gas produced in photosynthesis • What goes into a chemical reaction • _______ means to make or put together • Gas that is needed for photosynthesis • What comes out of a chemical reaction • Organelle that undergoes photosynthesis • Pigment responsible for the color green • C6H12O6 is the chemical formula for ______ • ...

Proteins 2020-02-19

Proteins crossword puzzle
Across
  1. A protein which catalyses or speeds up a biological reaction
  2. A build-up reaction
  3. Term form the substance formed in a chemical reaction
  4. A breakdown reaction
  5. Building blocks that make up a protein
  6. Refers to the fact that each enzyme will only act on one particular substrate
Down
  1. Subunits of DNA which make up the genetic code
  2. A substance that enzymes act on
  3. A substance that changes the rate of a chemical reaction without the being changed in the process
  4. A change in the shape of an enzyme which results in it becoming nonfunctional
  5. The part of the enzyme that binds to a specific substrate
  6. Term for the best or most appropriate conditions under which an enzyme works best

12 Clues: A build-up reaction • A breakdown reaction • A substance that enzymes act on • Building blocks that make up a protein • Subunits of DNA which make up the genetic code • Term form the substance formed in a chemical reaction • The part of the enzyme that binds to a specific substrate • A protein which catalyses or speeds up a biological reaction • ...

chapter 13 crossword Jonathan Burnep 2019-03-12

chapter 13 crossword Jonathan Burnep crossword puzzle
Across
  1. the reacting substances in a chemical reaction
  2. a substance that donates hydrogen ions
  3. the determination of a metal, typically caused by atmospheric oxygen
  4. description of a chemical reaction in which there is a net absorption of energy
  5. a substance that accepts hydrogen ions
Down
  1. description of a chemical reaction in which there is a net release of energy
  2. description of a solution in which the hydroxide ion concentration is higher than the hydronium ion concentration; also sometimes called alkaline
  3. description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration
  4. the new materials formed in a chemical reaction
  5. a measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration

10 Clues: a substance that donates hydrogen ions • a substance that accepts hydrogen ions • the reacting substances in a chemical reaction • the new materials formed in a chemical reaction • the determination of a metal, typically caused by atmospheric oxygen • description of a chemical reaction in which there is a net release of energy • ...

. 2025-06-02

. crossword puzzle
Across
  1. A substance that speeds up a chemical reaction without getting consumed
  2. A reaction that produces heat and light, often involving combustion
  3. gain of electrons in an atom or the gain of hydrogen and the removal of oxygen.
  4. The process in which substances react to form new substances
Down
  1. ffnm
  2. The method of representing a chemical reaction with symbols and formulas
  3. The number written before a formula in a chemical equation to balance it
  4. The substance that is produced in a chemical reaction

8 Clues: ffnm • The substance that is produced in a chemical reaction • The process in which substances react to form new substances • A reaction that produces heat and light, often involving combustion • A substance that speeds up a chemical reaction without getting consumed • The method of representing a chemical reaction with symbols and formulas • ...

Chemistry Grade 10 2025-10-02

Chemistry Grade 10 crossword puzzle
Across
  1. acid Acid found in vinegar
  2. test Test used to detect acids and bases
  3. A uniform mixture of two or more substances
  4. Final answer
  5. reaction Change that produces new substances
  6. energy Energy stored in chemical bonds
  7. Color of universal indicator in neutral solution
  8. Gas humans breathe in that plants release
  9. Process where a solid changes directly to gas
  10. Smallest unit of matter
  11. dioxide Gas that makes fizzy drinks bubble
  12. Gas used in balloons because it’s lighter than air
Down
  1. Process that separates liquids by boiling points
  2. Substance that speeds up a reaction but isn’t used up
  3. Scientist who created the periodic table
  4. Two or more atoms bonded together
  5. Opposite of an acid
  6. Element with the chemical symbol Na
  7. Element symbol S stands for this
  8. Metal that is liquid at room temperature
  9. Metal that rusts easily when exposed to air and water
  10. cylinder Tool used to measure liquid volume accurately

22 Clues: Final answer • Opposite of an acid • Smallest unit of matter • acid Acid found in vinegar • Element symbol S stands for this • Two or more atoms bonded together • Element with the chemical symbol Na • energy Energy stored in chemical bonds • Scientist who created the periodic table • Metal that is liquid at room temperature • Gas humans breathe in that plants release • ...

Digestion: Leighton Hamer 2025-10-22

Digestion: Leighton Hamer crossword puzzle
Across
  1. they become glucose
  2. how the digestive process starts
  3. a special protein that helps a chemical reaction take place
  4. a chemical reaction that combines with oxygen
  5. helps the body digest; produced in the liver
  6. what helps you taste and help digestion happen
  7. tiny finger like things on the surface of the small intestine
  8. a storage form of glucose
  9. where the nutrients are transported and sent to other parts of the body
  10. the process of when nutrients move into the blood stream
  11. a thick liquid created from peristalsis
  12. what nutrients go through after being absorbed in the small intestine
Down
  1. blood sugar
  2. the use of nutrients to provide energy
  3. the movement of muscles that contract and release to force food down
  4. Tube that connects your mouth to your stomach
  5. removes water, potassium, and sodium from the waste
  6. the chemical and mechanical process of breaking food down
  7. a gland connected to the small intestine
  8. food that is combined into a ball when chewing

20 Clues: blood sugar • they become glucose • a storage form of glucose • how the digestive process starts • the use of nutrients to provide energy • a thick liquid created from peristalsis • a gland connected to the small intestine • helps the body digest; produced in the liver • Tube that connects your mouth to your stomach • a chemical reaction that combines with oxygen • ...

Maxton's atom vocabulary word puzzle 2023-02-24

Maxton's atom vocabulary word puzzle crossword puzzle
Across
  1. has an atomic number and can't be broken down
  2. the symbol for diatomic hydrogen
  3. made up of two or more elements
  4. part of a nucleus with no electric charge
  5. the middle of an atom
  6. in H2O the 2 is a
  7. reactants turn into this during a reaction
  8. a negatively charged part of an atom
Down
  1. abbreviations for chemical elements
  2. enables the formation of molecules
  3. electrons can be free or
  4. the symbol for oxygen
  5. the symbol for water
  6. a table showing the chemical elements
  7. a group of atoms
  8. part of a nucleus with a positive electric charge
  9. the basic building block of chemistry
  10. something that changes during a reaction

18 Clues: a group of atoms • in H2O the 2 is a • the symbol for water • the symbol for oxygen • the middle of an atom • electrons can be free or • made up of two or more elements • the symbol for diatomic hydrogen • enables the formation of molecules • abbreviations for chemical elements • a negatively charged part of an atom • a table showing the chemical elements • ...

MA-1 Types of Chemical reactions 2024-05-16

MA-1 Types of Chemical reactions crossword puzzle
Across
  1. Reaction in which both oxidation and reduction takes place
  2. Reaction in which single reactants are broken down to simpler units with the absorption of light
  3. A reaction where a single product is formed from 2 or more reactants.
  4. Reaction is one in which dissolved substances react to form one or more solid products.
  5. Reaction in which oxygen is added to or hydrogen is removed
  6. When fats and oils are oxidized,their smell and taste changes
  7. Reaction in which the energy is absorbed from the surroundings.
  8. Reaction in which a more reactive element replaces a less reactive element
Down
  1. Reaction in which acid and base react to form water and salt
  2. Decomposition reaction in which decomposition occurs by applying electricity
  3. Reaction in which a single reactant breaks down to give simpler products
  4. Gradual deterioration of metals caused by the action of air, moisture,or a chemical reaction on their surface.
  5. Reaction in which heat is released along with the products.
  6. Reaction in which there is an exchange of ions between the reactants
  7. Reaction in which oxygen is removed or hydrogen is added
  8. Decomposition reaction carried out by heating

16 Clues: Decomposition reaction carried out by heating • Reaction in which oxygen is removed or hydrogen is added • Reaction in which both oxidation and reduction takes place • Reaction in which heat is released along with the products. • Reaction in which acid and base react to form water and salt • Reaction in which oxygen is added to or hydrogen is removed • ...

Chemistry crossword 2017-11-07

Chemistry crossword crossword puzzle
Across
  1. compound that dissolves in water to form a solution with a pH lower than 7
  2. system an experiment in which all reactants and all products of a chemical reaction are accounted for
  3. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  4. slow chemical change that occurs when oxygen in the air reacts with a metal
  5. genetically identical copy of an entire organism or of its cells or genes; cloning is the process of creating a clone
  6. chemical combination of two or more elements in a specific ratio
  7. substance that helps a chemical reaction proceed more quickly
Down
  1. breaker special wire that heats up and turns off switch when excess current flows through an electrical circuit
  2. the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons alkali metals group 1 elements in the periodic table not including hydrogen; the most reactive of the metals
  3. path that change particles flow through
  4. reactions reaction that takes place when two or more substances react to form new substances
  5. mass unit measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom

12 Clues: path that change particles flow through • substance that helps a chemical reaction proceed more quickly • chemical combination of two or more elements in a specific ratio • compound that dissolves in water to form a solution with a pH lower than 7 • slow chemical change that occurs when oxygen in the air reacts with a metal • ...

Biology - Energy 2023-10-31

Biology - Energy crossword puzzle
Across
  1. type of reaction that releases energy
  2. during a _________, substances react to to form new substances
  3. all of the chemical reactions in the body
  4. prefix that means within/inside
  5. this type of macromolecule is found in meat and dairy products and is used for many things throughout the body, including muscle growth
  6. prefix that means outside/external
  7. the new substances formed by a chemical reactions
Down
  1. force that holds atoms together in a compound
  2. this type of macromolecule is found in sugar/starch and is used for short term energy storage
  3. the substances that go into a chemical reaction
  4. type of reaction that absorbs/stores energy
  5. this type of macromolecule is found in fats/oils and is used for long term energy storage
  6. gives us the ability to do work

13 Clues: gives us the ability to do work • prefix that means within/inside • prefix that means outside/external • type of reaction that releases energy • all of the chemical reactions in the body • type of reaction that absorbs/stores energy • force that holds atoms together in a compound • the substances that go into a chemical reaction • ...

Chemistry Semester 1 - Crossword 2023-12-11

Chemistry Semester 1 - Crossword crossword puzzle
Across
  1. - Elements in Group 18, known for their lack of reactivity due to having full valence shells.
  2. - A key element in DNA and ATP, essential for life.
  3. - A solid that forms and settles out of a liquid mixture.
  4. - The ability of an element to conduct electricity.
  5. - A process used to separate solids from liquids or gases using a filter medium that allows only the fluid to pass through.
  6. - A positively charged polyatomic ion, NH₄⁺.
  7. - A compound with two sulfur atoms bonded to another element or group (e.g., carbon disulfide, CS₂).
  8. - A type of chemical reaction where two or more simple substances combine to form a more complex product.
  9. - The mass per unit volume of a substance.
  10. - A region in an atom where there is a high probability of finding electrons.
  11. - A material made up of two or more different substances which are not chemically combined.
  12. - A lightweight, corrosion-resistant metal used in cans and foils.
  13. - A substance that cannot be broken down into simpler substances by chemical means.
  14. - The attraction between oppositely charged ions in a compound.
  15. - A mixture which has uniform composition and properties throughout.
  16. - The ratio of moles of one substance to the moles of another substance in a balanced equation.
  17. - A substance that is formed as the result of a chemical reaction.
  18. - Essential for respiration, the third most abundant element in the universe.
  19. - A compound with four chlorine atoms bonded to another element (e.g., carbon tetrachloride, CCl₄).
  20. - A noble gas used in light bulbs and welding.
  21. - A metalloid used in semiconductors and computer chips.
  22. - A salt of carbonic acid, containing the CO₃²⁻ ion.
  23. - The most electronegative and reactive of all elements.
  24. - Atoms of the same element with different numbers of neutrons.
  25. - The temperature at which a solid becomes a liquid.
  26. - The amount of product actually produced when the chemical reaction is carried out in an experiment.
  27. - Variants of a particular chemical element which differ in neutron number.
  28. - A compound with one oxygen atom bonded to another element (e.g., carbon monoxide, CO).
  29. - Basic unit of a chemical element.
  30. - A stable subatomic particle with a charge of negative electricity.
  31. - A positively charged subatomic particle found in the nucleus of an atom.
  32. - Elements with properties intermediate between metals and nonmetals.
  33. - A unit for measuring the amount of substance.
  34. - The substance in a solution that is dissolved by the solvent.
  35. - A measure of the tendency of an atom to attract a bonding pair of electrons.
  36. - The distance from the center of an atom's nucleus to its outermost electron.
  37. - Used in disinfectants and PVC plastic.
  38. - A vertical column in the periodic table, also known as a family of elements.
  39. - Makes up about 78% of the Earth's atmosphere, essential for DNA.
  40. - A subatomic particle of about the same mass as a proton but without an electric charge.
  41. - An alkali metal, essential for human nutrition, commonly found in salt.
  42. - A hard, gray metal, the second element in the alkaline earth metals group.
  43. - The substance in a solution that dissolves the solute.
  44. - The amount of product that could be formed from a reaction, assuming complete conversion of reactant to product.
  45. - A measure of the amount of matter in an object, typically in grams or kilograms.
  46. - A compound containing the NO₃⁻ ion.
  47. - Elements in Group 2 of the periodic table, less reactive than alkali metals.
  48. - A reaction in which a substance combines with oxygen, releasing energy in the form of light and heat.
  49. - The tendency of a substance to undergo chemical reaction.
  50. - The combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
  51. - A homogeneous mixture composed of two or more substances.
  52. - The lightest and most abundant element in the universe.
  53. - A table of the chemical elements arranged in order of atomic number.
  54. - A reaction where one element displaces another in a compound.
Down
  1. - The temperature at which a liquid turns to vapor.
  2. - Used in matches, gunpowder, and fertilizers.
  3. - A compound containing the PO₄³⁻ ion.
  4. - The lightest metal and the first element in the alkali metals group.
  5. - Elements in groups 3-12 known for their ability to form colorful compounds.
  6. - A type of chemical bond formed through the electrical force between oppositely charged ions.
  7. - A compound with two oxygen atoms bonded to another element (e.g., carbon dioxide, CO₂).
  8. - A reaction in which a single compound breaks down into two or more simpler substances.
  9. - A compound containing the OH⁻ ion.
  10. - A measure of the concentration of a solute in a solution in terms of amount of substance in a given volume.
  11. - A horizontal row in the periodic table.
  12. - A reaction where ions exchange between two compounds to form new compounds.
  13. - Attractive force between atoms or ions that enables the formation of chemical compounds.
  14. - A compound formed with chlorine and another element.
  15. - The ratio of the actual yield to the theoretical yield, multiplied by 100.
  16. - A positively charged ion.
  17. - Regions around the nucleus of an atom where electrons are likely to be found.
  18. - Electrons in the outer shell of an atom that are involved in forming bonds.
  19. - A mixture that composes of components that aren't uniform or they have localized regions with different properties.
  20. - A negatively charged ion.
  21. - The change in energy when an electron is added to a neutral atom to form a negative ion.
  22. - The substance that is totally consumed when the chemical reaction is complete.
  23. - A substance formed when two or more chemical elements are chemically bonded together.
  24. - A lightweight metal used in aircraft construction and fireworks.
  25. - Vertical columns in the periodic table, also known as families.
  26. - A substance that takes part in and undergoes change during a reaction.
  27. - A type of chemical bond involving the sharing of electron pairs between atoms.
  28. - A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity.
  29. - An alkaline earth metal, essential for bones and teeth.
  30. - A metalloid essential for plant growth and used in fiberglass.
  31. - An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  32. - A noble gas used in bright advertising signs.
  33. - A noble gas commonly used in balloons, second lightest element.
  34. - A compound with two bromine atoms bonded to another element (e.g., ethylene dibromide, C₂H₄Br₂).
  35. - A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  36. - A compound containing the CH₃COO⁻ ion.
  37. - A compound typically formed by the combination of water molecules with an ionic compound.
  38. - A highly reactive metal in Group 1 of the periodic table.
  39. - Relating to the periodic table of the elements.
  40. - Horizontal rows in the periodic table.
  41. - An alkali metal, essential for plant growth and nerve function.
  42. - The part of chemistry that deals with the quantities and numeric relationships of participants in a chemical reaction.
  43. - A compound with the SO₄²⁻ ion.
  44. - The ability of a substance to be drawn out into a thin wire.
  45. - Elements in Group 17, known for being highly reactive nonmetals.
  46. - A compound with three hydrogen atoms bonded to another element (e.g., boron trihydride, BH₃).
  47. - The basis of organic chemistry, found in all known life forms.
  48. - A compound with five oxygen atoms bonded to another element (e.g., phosphorus pentoxide, P₂O₅).

102 Clues: - A positively charged ion. • - A negatively charged ion. • - A compound with the SO₄²⁻ ion. • - Basic unit of a chemical element. • - A compound containing the OH⁻ ion. • - A compound containing the NO₃⁻ ion. • - A compound containing the PO₄³⁻ ion. • - Used in disinfectants and PVC plastic. • - A compound containing the CH₃COO⁻ ion. • ...

Andrew Grabarczyk 2020-10-19

Andrew Grabarczyk crossword puzzle
Across
  1. In an ______ reaction there is a net absorption of energy
  2. An ____ is a chemical that donates a hydrogen ion, H+.
  3. A + BC → AC + B
Down
  1. Bond Energy is also known as ______ Energy
  2. AB → A + B
  3. A _____ is a chemical that accepts a hydrogen ion, H+.
  4. During a _____ reaction, one or more new compounds are formed as a result of the rearrangement of atoms.
  5. A + B → AB
  6. _____ is a measure of the concentration of hydronium ions, H3O+
  7. In an ______ reaction there is a net release of energy.

10 Clues: AB → A + B • A + B → AB • A + BC → AC + B • Bond Energy is also known as ______ Energy • A _____ is a chemical that accepts a hydrogen ion, H+. • An ____ is a chemical that donates a hydrogen ion, H+. • In an ______ reaction there is a net release of energy. • In an ______ reaction there is a net absorption of energy • ...

Chemical Reactions Vocabulary 2023-09-20

Chemical Reactions Vocabulary crossword puzzle
Across
  1. process in which atoms rearrange to create new substances
  2. atoms bonded together in a particular way
  3. observable characteristic of a substance
  4. mixture that is uniform, the same throughout
  5. Na
  6. starting substances in a chemical reaction
  7. final substances in a chemical reaction
Down
  1. matter cannot be created or destroyed
  2. substances combine physically, but not chemically, maintaining their unique properties
  3. periodic table of _________
  4. oxygen
  5. table salt
  6. building blocks of all matter
  7. mixture that is not uniform, you can see the different components

14 Clues: Na • oxygen • table salt • periodic table of _________ • building blocks of all matter • matter cannot be created or destroyed • final substances in a chemical reaction • observable characteristic of a substance • atoms bonded together in a particular way • starting substances in a chemical reaction • mixture that is uniform, the same throughout • ...

⚖️ Stoichiometry ⚖️ Crosswd 2022-11-30

⚖️ Stoichiometry ⚖️ Crosswd crossword puzzle
Across
  1. the mass of one mole of a substance
  2. __________ reactant is not completely used up in a chemical reaction and some of the reactant is leftover
  3. percent ________ is the ratio of the actual yield to the theoretical yield expressed as a percent
  4. __________ reactant is totally consumed during a chemical reaction and determines the amount of product
  5. percent __________ is the percent by mass of each element in a compound
  6. a substance produced in a chemical reaction
  7. the SI base unit used to measure the amount of a substance
Down
  1. __________ yield is the maximum amount of product that can be produced from a given amount of reactant
  2. __________ yield is the amount of product that forms when a reaction is carried out in the laboratory
  3. __________ number is the number of atoms or molecules in a mole of a substance
  4. a substance that takes part in and undergoes change during a reaction.
  5. ___________ formula shows the ratio of elements in a compound rather than the total number of atoms

12 Clues: the mass of one mole of a substance • a substance produced in a chemical reaction • the SI base unit used to measure the amount of a substance • a substance that takes part in and undergoes change during a reaction. • percent __________ is the percent by mass of each element in a compound • ...

Concept Check #5 Crossword 2023-03-07

Concept Check #5 Crossword crossword puzzle
Across
  1. also known as the Calvin Cycle the second step of photosynthesis where ATP and carbon dioxide are converted to glucose
  2. the organelle where photosynthesis occurs
  3. space inside chloroplast outside of the thylakoids where the dark reactions occur
  4. inputs or ingredients in a chemical reaction
  5. a green pigment that absorbs sunlight during photosynthesis
  6. the process through which plants create their own food using sunlight, carbon dioxide, and water
  7. first step of photosynthesis where water and sunlight are converted to ATP and oxygen
  8. outputs of a chemical reaction
Down
  1. the chemical reaction for photosynthesis
  2. an organism that can make its own food
  3. membranes in the thylakoid where the light reactions occur
  4. adenosine triphosphate; this is the energy currency of the cell
  5. an organism that eats other organisms to survive

13 Clues: outputs of a chemical reaction • an organism that can make its own food • the chemical reaction for photosynthesis • the organelle where photosynthesis occurs • inputs or ingredients in a chemical reaction • an organism that eats other organisms to survive • membranes in the thylakoid where the light reactions occur • ...

Chemistry terms 2023-07-28

Chemistry terms crossword puzzle
Across
  1. the process when oxygen combines with another element
  2. mass per unit volume of a substance
  3. two or more atoms joined together
  4. substance with a pH higher than seven
  5. combination of two or more substances that are not chemically combined
  6. an atomic particle with no electric charge
  7. a compound with a pH of less than 7
  8. negatively charged atomic particle
  9. formed by the reaction of an acid and a base
  10. a metallic mixture of two or more elements
Down
  1. a material that allows the flow of energy such as heat or electricity
  2. positively charged atomic particle
  3. chemical processes as they relate to living organisms
  4. a pure substance made up of two or more elements
  5. pure chemical substance that is made up of one type of atom
  6. an atom's central core
  7. the smallest unit of an element
  8. a substance that speeds up the rate of a chemical reaction

18 Clues: an atom's central core • the smallest unit of an element • two or more atoms joined together • positively charged atomic particle • negatively charged atomic particle • mass per unit volume of a substance • a compound with a pH of less than 7 • substance with a pH higher than seven • an atomic particle with no electric charge • a metallic mixture of two or more elements • ...

Is it February break, yet? 2025-01-06

Is it February break, yet? crossword puzzle
Across
  1. something that can be observed about a substance, such as texture, resistance to breakage, or color
  2. a process in which atoms rearrange to form new substances
  3. an ending substance that is created during a chemical reaction
  4. letters and numbers showing the number and type of atoms that repeat to make up a substance
  5. we know if substances are different if they have different _______
Down
  1. very very very small lizards (too small to be seen with the naked eye) would probably be covered in these (2 words, no space, and it's plural, e.g. whitecrystals)
  2. a starting substance that is part of a chemical reaction
  3. we know a chemical reaction has occurred if a new________ is created
  4. something that is made of all the same atoms or groups of atoms
  5. we can't see molecules, but we can visualize them by using a _____
  6. the parts of a substance that rearrange to make a new substance in a chemical reaction

11 Clues: a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • an ending substance that is created during a chemical reaction • something that is made of all the same atoms or groups of atoms • we can't see molecules, but we can visualize them by using a _____ • ...

Chemistry Crossword Puzzle 2014-01-27

Chemistry Crossword Puzzle crossword puzzle
Across
  1. a reaction in which two or more substances combine to form a new compound
  2. a representation of a chemical reaction that uses symbols to show the relationship between the reactants
  3. the mass in grams of 1 mol of a substance
  4. a reaction in which a gas, a solid precipitate, etc. forms from the apparent exchange of atoms or ions between two compounds
  5. the SI base unit used to measure amount of a substance whose number of particles is the same as the number of atoms of carbon in exactly 12g or carbon-12
  6. a chemical formula that snows the number and kinds of atoms in a molecule, but not the arrangement of the atoms
Down
  1. reactions of an element with a compound that produces a new element and compound
  2. the number of protons in the nucleus of an atoms the atomic number is the same for all atoms of an element
  3. a chemical formula that shows the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio
  4. 6.02*10^23, the number of atoms or molecules in 1 mol
  5. a reaction which a single compound breaks down to form two or more simpler substances
  6. the percentage by mass of each element in a compound
  7. the oxidation reaction of an organic compound, in which heat released
  8. the process by which one or more substances change to produce one or more different substances
  9. a small whole number that appears as a factor in front of a formula in a chemical equation

15 Clues: the mass in grams of 1 mol of a substance • the percentage by mass of each element in a compound • 6.02*10^23, the number of atoms or molecules in 1 mol • the oxidation reaction of an organic compound, in which heat released • a reaction in which two or more substances combine to form a new compound • ...

Unit 2 Psych Vocab Crossword Puzzle 2020-10-19

Unit 2 Psych Vocab Crossword Puzzle crossword puzzle
Across
  1. Intervene between sensory inputs and moroty outputs
  2. The brain and spinal cord
  3. Passes messages away from cell body to other neurons
  4. Chemical messengers secreted into the blood and carried to organs and tissues
  5. Channels in the cell membrane open up
  6. Carry information around your body
  7. Chemically controls functions of cells, tissues, and organs
  8. Carry information away from the CNS to the PNS
  9. Basic building block of the nervous system
  10. Receives messages from other cells
  11. Forms myelin sheath
Down
  1. Covers the axon and speeds neural impulses
  2. Chemical causing receptors to bind and prevent a reaction
  3. Study of how the brain and behaviors are connected
  4. Combination of biology and psychology to understand the brain and behaviors
  5. Chemical causing receptors to bind and cause a reaction
  6. Controls self-regulated actions of internal organs and glands
  7. Carry signals towards the CNS from the PNS
  8. Carry information from brain and spinal cord to muscles and glands
  9. Forms junctions with other cells

20 Clues: Forms myelin sheath • The brain and spinal cord • Forms junctions with other cells • Carry information around your body • Receives messages from other cells • Channels in the cell membrane open up • Covers the axon and speeds neural impulses • Carry signals towards the CNS from the PNS • Basic building block of the nervous system • ...

Matter 2020-04-22

Matter crossword puzzle
Across
  1. The starting material of a chemical reaction
  2. A change in a material that is not irreversible, the material can go back to its original (or at least almost) form
  3. A state of matter that has a definite volume, but no definite shape
  4. The minimum amount of energy needed to have a material have a chemical reaction
  5. A change in a material that is usually irreversible
  6. A system that allows some substances to escape
  7. A system that doesn't allow any substances to escape
  8. The end result material of a chemical reaction
Down
  1. The principle that states that matter cannot be created or destroyed in any physical or chemical change
  2. A state of matter that has no definite volume or shape
  3. Anything that has mass and takes up space
  4. A state of matter that has a definite shape and definite volume

12 Clues: Anything that has mass and takes up space • The starting material of a chemical reaction • A system that allows some substances to escape • The end result material of a chemical reaction • A change in a material that is usually irreversible • A system that doesn't allow any substances to escape • A state of matter that has no definite volume or shape • ...

Marcelo R. Enzymes 2022-01-18

Marcelo R. Enzymes crossword puzzle
Across
  1. having a special application, bearing, or reference
  2. The starting material for an enzymatic chemical reaction.
  3. the minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation
  4. happens when one chemical substance is transformed into one or more different substances
  5. complex molecules that play many critical roles in the body.
  6. protein conformational changes in the binding process.
  7. are proteins that help speed up metabolism
Down
  1. The relatively stable combination of two or more ions or compounds into a larger structure without covalent binding.
  2. cover and materials that hold a book together
  3. to give a particular form or shape to
  4. substance that increases the rate of a reaction without itself being consumed.
  5. the region of an enzyme where substrate molecules bind and undergo a chemical reaction.

12 Clues: to give a particular form or shape to • are proteins that help speed up metabolism • cover and materials that hold a book together • having a special application, bearing, or reference • protein conformational changes in the binding process. • The starting material for an enzymatic chemical reaction. • complex molecules that play many critical roles in the body. • ...

⚖️ Stoichiometry ⚖️ Crosswd 2022-11-30

⚖️ Stoichiometry ⚖️ Crosswd crossword puzzle
Across
  1. percent __________ is the percent by mass of each element in a compound
  2. __________ yield is the amount of product that forms when a reaction is carried out in the laboratory
  3. __________ yield is the maximum amount of product that can be produced from a given amount of reactant
  4. the SI base unit used to measure the amount of a substance
  5. a substance that takes part in and undergoes change during a reaction.
Down
  1. A substance produced in a chemical reaction
  2. ___________ formula shows the ratio of elements in a compound rather than the total number of atoms
  3. percent ________ is the ratio of the actual yield to the theoretical yield expressed as a percent
  4. the mass of one mole of a substance
  5. __________ reactant is totally consumed during a chemical reaction and determines the amount of product
  6. __________ number is the number of atoms or molecules in a mole of a substance
  7. __________ reactant is not completely used up in a chemical reaction and some of the reactant is leftover

12 Clues: the mass of one mole of a substance • A substance produced in a chemical reaction • the SI base unit used to measure the amount of a substance • a substance that takes part in and undergoes change during a reaction. • percent __________ is the percent by mass of each element in a compound • ...

⚖️ Stoichiometry ⚖️ Crosswd 2022-11-30

⚖️ Stoichiometry ⚖️ Crosswd crossword puzzle
Across
  1. percent __________ is the percent by mass of each element in a compound
  2. __________ yield is the amount of product that forms when a reaction is carried out in the laboratory
  3. __________ yield is the maximum amount of product that can be produced from a given amount of reactant
  4. the SI base unit used to measure the amount of a substance
  5. a substance that takes part in and undergoes change during a reaction.
Down
  1. a substance produced in a chemical reaction
  2. ___________ formula shows the ratio of elements in a compound rather than the total number of atoms
  3. percent ________ is the ratio of the actual yield to the theoretical yield expressed as a percent
  4. the mass of one mole of a substance
  5. __________ reactant is totally consumed during a chemical reaction and determines the amount of product
  6. __________ number is the number of atoms or molecules in a mole of a substance
  7. __________ reactant is not completely used up in a chemical reaction and some of the reactant is leftover

12 Clues: the mass of one mole of a substance • a substance produced in a chemical reaction • the SI base unit used to measure the amount of a substance • a substance that takes part in and undergoes change during a reaction. • percent __________ is the percent by mass of each element in a compound • ...

Chapter 2 crossword! :) (: :'^( 2024-09-23

Chapter 2 crossword! :) (: :'^( crossword puzzle
Across
  1. changes affecting the form of a chemical substance but not its chemical composition
  2. the increase in the rate of a chemical reaction due to an added substance known as a catalyst
  3. a physical quantity that quantitatively expresses the attribute of hotness or coldness
  4. the capTemperatureng work
  5. a substance made from two or more different elements that have been chemically joined
  6. a biomolecule consisting of carbon, hydrogen and oxygen atoms
  7. are proteins that act as biological catalysts by accelerating chemical reactions
  8. a molecule that has a charge on one side of the molecule, that is not cancelled out
  9. the intermolecular attractive force acting between two adjacent portions of a substance, particularly of a solid or liquid
  10. any substance in water solution is slippery to the touch, tastes bitter, changes the color of indicators
  11. the basic building block of nucleic acids
  12. fatty, waxy, or oily compounds that are soluble in organic solvents and insoluble in polar solvents such as water
  13. chemical or biological molecules that regulate chemical reactions by slowing down or blocking them from occurring
  14. the tendency of dissimilar particles or surfaces to cling to one another
Down
  1. a substance or compound added to a system to cause a chemical reaction, or test if one occurs
  2. a groups of two or more atoms held together by attractive forces known as chemical bonds
  3. a process in which one or more substances are altered into one or more new and different substances
  4. a substance that is formed as the result of a chemical reaction
  5. a scientific concept that is most commonly associated with a state of disorder, randomness, or uncertainty
  6. any substance that has mass and takes up space by having volume
  7. the association of atoms or ions to form molecules, crystals, and other structures
  8. are organic compounds that contain both amino and carboxylic acid functional groups
  9. a chemical substance that cannot be broken down into other substances by chemical reactions.
  10. any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements
  11. the net movement of anything generally from a region of higher concentration to a region of lower concentration.
  12. the basic building blocks of chemistry
  13. the process where a solute in a gaseous, liquid, or solid phase dissolves in a solvent to form a solution
  14. any substance that in water solution tastes sour, changes blue litmus paper to red
  15. a term referring to a broad category of all mono- and disaccharides: the simplest carbohydrates

29 Clues: the capTemperatureng work • the basic building blocks of chemistry • the basic building block of nucleic acids • a biomolecule consisting of carbon, hydrogen and oxygen atoms • a substance that is formed as the result of a chemical reaction • any substance that has mass and takes up space by having volume • ...

Energy Flow 2021-10-21

Energy Flow crossword puzzle
Across
  1. an organism that makes its own food
  2. breaks down dead organisms for energy
  3. single eating pattern that shows energy flow
  4. organism's position on a food web
  5. where PS occurs in a plant
  6. sun's energy
  7. Richardson
Down
  1. sugar made by plants during PS
  2. material created during a chemical reaction
  3. overlapping food chains to show energy flow
  4. shows total energy at each trophic level
  5. shows direction of energy flow
  6. material needed to begin a chemical reaction
  7. an organism that eats other organisms

14 Clues: Richardson • sun's energy • where PS occurs in a plant • sugar made by plants during PS • shows direction of energy flow • organism's position on a food web • an organism that makes its own food • breaks down dead organisms for energy • an organism that eats other organisms • shows total energy at each trophic level • material created during a chemical reaction • ...

TYPES OF REACTION 2025-04-25

TYPES OF REACTION crossword puzzle
Across
  1. Heat causes calcium carbonate to become calcium oxide and CO₂.
  2. Instant cold packs work this way.
  3. Right side of a chemical equation.
  4. Your hand warms up a heat pack due to this type of reaction.
  5. Makes food smell bad and taste sour over time.
  6. Found on the left side of a chemical equation.
Down
  1. forms a precipitate, gas, or water.
  2. One element replaces another in a compound.Zinc + HCl → ZnCl₂ + H₂
  3. Burning wood is an example.
  4. Combines oxidation and reduction.
  5. What happens when iron rusts in the presence of water and oxygen.
  6. Rusting of iron is this kind of reaction.
  7. The opposite of oxidation in a redox reaction.
  8. Multiple reactants, one product.
  9. Produces flame, light, and heat.

15 Clues: Burning wood is an example. • Multiple reactants, one product. • Produces flame, light, and heat. • Combines oxidation and reduction. • Instant cold packs work this way. • Right side of a chemical equation. • forms a precipitate, gas, or water. • Rusting of iron is this kind of reaction. • The opposite of oxidation in a redox reaction. • ...

Ch 13 chemical reactions 2017-10-13

Ch 13 chemical reactions crossword puzzle
Across
  1. Description of a solution in which the hydroxide ion concentration is higher than the hydronium ion concentration; also sometimes called alkaline.
  2. A rapid exothermic oxidation–reduction reaction between a material and molecular oxygen.
  3. An ionic compound commonly formed from the reaction between an acid and a base.
  4. Description of a chemical reaction in which there is a net release of energy.
  5. A representation of a chemical reaction in which reactants are written to the left of an arrow that points toward the products on the right.
  6. Description of a chemical reaction in which there is a net absorption of energy.
Down
  1. The minimum energy required in order for a chemical reaction to proceed.
  2. The amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when the two atoms are brought together into a bond.
  3. A substance that donates hydrogen ions.
  4. A measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration.

10 Clues: A substance that donates hydrogen ions. • The minimum energy required in order for a chemical reaction to proceed. • Description of a chemical reaction in which there is a net release of energy. • An ionic compound commonly formed from the reaction between an acid and a base. • Description of a chemical reaction in which there is a net absorption of energy. • ...

Chemistry 2025-03-26

Chemistry crossword puzzle
Across
  1. A process you do related with stoichiometry
  2. The proportion between moles in a chemical reaction
  3. A chemical compound who oxides another one
  4. A problem related with chemistry topics
  5. This lae states that matter doesnt creates or destroys it transforms
  6. The process when you gain electrons
Down
  1. The ______ tells you if an element is possitive, negative or neutral
  2. The number who tells you the charge of an element
  3. A chemical compund who reduces another one
  4. The number who tells you the amount of particles on the reaction
  5. Another kind of type to balance an chemical equation (Uses oxidation and reduction)
  6. The process of finding the relationship between reactives and products
  7. The mass in grams of an element
  8. The process when you lose electrons
  9. When you fin the molar ratio you can find it

15 Clues: The mass in grams of an element • The process when you lose electrons • The process when you gain electrons • A problem related with chemistry topics • A chemical compund who reduces another one • A chemical compound who oxides another one • A process you do related with stoichiometry • When you fin the molar ratio you can find it • ...

Chemistry 2025-03-26

Chemistry crossword puzzle
Across
  1. A process you do related with stoichiometry
  2. The proportion between moles in a chemical reaction
  3. A chemical compound who oxides another one
  4. A problem related with chemistry topics
  5. This lae states that matter doesnt creates or destroys it transforms
  6. The process when you gain electrons
Down
  1. The ______ tells you if an element is possitive, negative or neutral
  2. The number who tells you the charge of an element
  3. A chemical compund who reduces another one
  4. The number who tells you the amount of particles on the reaction
  5. Another kind of type to balance an chemical equation (Uses oxidation and reduction)
  6. The process of finding the relationship between reactives and products
  7. The mass in grams of an element
  8. The process when you lose electrons
  9. When you fin the molar ratio you can find it

15 Clues: The mass in grams of an element • The process when you lose electrons • The process when you gain electrons • A problem related with chemistry topics • A chemical compund who reduces another one • A chemical compound who oxides another one • A process you do related with stoichiometry • When you fin the molar ratio you can find it • ...

Cellular Processes 2024-12-13

Cellular Processes crossword puzzle
Across
  1. pores on a leaf that allow carbon dioxide and oxygen to enter/exit the leaf
  2. process which organisms use glucose to make energy
  3. process which plants use sunlight, carbon dioxide, and carbon dioxide to produce glucose and oxygen
  4. a product of anaerobic respiration in animals made in muscles
  5. ingredients of a chemical reaction
  6. pigment responsible for capturing sunlight
  7. the building blocks of macromolecules
  8. organisms that can make their own food
Down
  1. process of reorganizing atoms and molecules
  2. energy stored in the bonds of molecules
  3. type of respiration that takes place WITH oxygen present
  4. type of respiration that takes place without oxygen present
  5. organisms that must eat to get energy
  6. what is made from a chemical reaction
  7. 'energy currency' that is made from cellular respiration
  8. the main structural component of plants
  9. type of energy related to movement
  10. the main energy source for plants

18 Clues: the main energy source for plants • ingredients of a chemical reaction • type of energy related to movement • organisms that must eat to get energy • what is made from a chemical reaction • the building blocks of macromolecules • organisms that can make their own food • energy stored in the bonds of molecules • the main structural component of plants • ...

Unit 9 Review Crossword 2013-04-08

Unit 9 Review Crossword crossword puzzle
Across
  1. In a system closed to matter transfer, the amount of mass of that system remains constant over time. (The mass of the reactants must equal the mass of the products.)
  2. Using coefficients to make the number of each type of atom in the reactants equal to the number of each type of atom in the products.
  3. The mass of 1 mole of a substance. Found by expressing the atomic or formula masses in grams.
  4. A starting substance in a chemical reaction, appearing before the arrow in a chemical equation.
  5. Numbers used in a chemical equation to indicate the number of atoms or molecules. Determined during balancing, they are written in front of the atomic symbol or chemical formula.
  6. The mass of one atom of an element in atomic mass units (amu).
Down
  1. A new substance formed in a chemical reaction, appearing after the arrow in a chemical equation.
  2. The number of things in 1 mole -- 6.02 x 1023.
  3. The sum of the atomic masses in a chemical formula in atomic mass units (amu).
  4. There is usually only one correct ratio for the combination of elements in a compound.
  5. The process of using the balanced chemical equation to predict the amounts (masses) of some substance in the chemical reaction.
  6. A representation of the the submicroscopic rearrangement (new bonding) of atoms.
  7. Numbers that denote the ratios between elements in a chemical formula. Determined by electrons/charges (stability or low energy), they are written below the line and after the atomic symbol.

13 Clues: The number of things in 1 mole -- 6.02 x 1023. • The mass of one atom of an element in atomic mass units (amu). • The sum of the atomic masses in a chemical formula in atomic mass units (amu). • A representation of the the submicroscopic rearrangement (new bonding) of atoms. • ...

Class 10 - SCI - Ch.1 2022-10-20

Class 10 - SCI - Ch.1 crossword puzzle
Across
  1. carbohydrates are broken down to form
  2. reaction in which heat is released
  3. (aq) represents
  4. calcium oxide
  5. reaction in which a single reactant breaks down to form simpler products
  6. reaction in which energy is absorbed
  7. single product formed from two or more reactants is ____ reaction
Down
  1. reaction in which one element replaces another
  2. silver chloride turns ___ in sunlight
  3. a substance is said to be ___ if it loses oxygen
  4. reaction in which oxgyen is gained
  5. substance that undergoes chemical change in reaction

12 Clues: calcium oxide • (aq) represents • reaction in which heat is released • reaction in which oxgyen is gained • reaction in which energy is absorbed • silver chloride turns ___ in sunlight • carbohydrates are broken down to form • reaction in which one element replaces another • a substance is said to be ___ if it loses oxygen • ...

Unit 2 Star R 2023-04-04

Unit 2 Star R crossword puzzle
Across
  1. Molecules combine to form them
  2. Dislikes water
  3. Only allows certain molecules in or out of the cell
  4. What is produced from a chemical reaction
  5. Cells combine to form them
  6. Molecules go from clustered to spaced out naturally
  7. Molecules that speed up chemical reactions
  8. Diffusion of water
  9. When energy is spent to move molecules across the membrane
  10. Organ systems combine to form them
  11. Atoms combine to form them
  12. Organelles combine to form them
Down
  1. Special region on an enzyme that makes chemical reactions
  2. Organs combine to form them
  3. The energy required to make a reaction
  4. When no energy is used when molecules move across the membrane
  5. Reactant; fits into the active site like a key to a lock
  6. Likes water
  7. When an active site of an enzyme changes shape and the substrate can no longer fit in
  8. Basic units of matter
  9. Inside of the phospholipid bilayer
  10. Tissues combine to form them

22 Clues: Likes water • Dislikes water • Diffusion of water • Basic units of matter • Cells combine to form them • Atoms combine to form them • Organs combine to form them • Tissues combine to form them • Molecules combine to form them • Organelles combine to form them • Inside of the phospholipid bilayer • Organ systems combine to form them • The energy required to make a reaction • ...

Biological molecules 2025-09-28

Biological molecules crossword puzzle
Across
  1. Water hating
  2. A reaction which breaks a chemical bond by the addition of water
  3. Only 1
  4. Monosaccharide with 6 carbons
  5. Chain of carbon and hydrogen atoms with at least 1 carbon to carbon double bond
  6. COOH group in amino acids
  7. A group attached to polypeptide in quaternary structure
  8. Bonds holding secondary protein structure in place
  9. Base in RNA in place of Thymine
  10. Describes base pairing in DNA
Down
  1. Bond formed between glycerol and fatty acids
  2. Pentose sugar in RNA
  3. Bond formed between 2 amino acids
  4. Will always pair with cytosine
  5. Glucose isomer with OH group below carbon 1
  6. Bond formed between 2 monosaccharides
  7. A chemical reaction resulting in the loss of water when a chemical bond is formed
  8. An uneven distribution of electrons creating positive and negative regions
  9. Number of levels of protein organisation
  10. Triglyceride with 1 fatty acid replaced with a phosphate group
  11. Many
  12. Level of protein structure describing the order of amino acids

22 Clues: Many • Only 1 • Water hating • Pentose sugar in RNA • COOH group in amino acids • Monosaccharide with 6 carbons • Describes base pairing in DNA • Will always pair with cytosine • Base in RNA in place of Thymine • Bond formed between 2 amino acids • Bond formed between 2 monosaccharides • Number of levels of protein organisation • Glucose isomer with OH group below carbon 1 • ...

science crossword 2013-11-14

science crossword crossword puzzle
Across
  1. dioxide / a colourless, odourless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 per cent) and is absorbed by plants in photosynthesis.
  2. process / (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
  3. / (Scientific-Based) You and your audience can easily detect the difference between a speaker and an expert. DJ is an expert in the fields of leadership, organizations, team-building, and safety.
  4. / the rate per second of a vibration constituting a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light)
  5. / an air-like fluid substance which expands freely to fill any space available, irrespective of its quantity.
  6. / the ionized or ionizable constituents of a living cell, blood, or other organic matter.
  7. / the strength and vitality required for sustained physical or mental activity
  8. / a compound with particular chemical properties including turning litmus blue and neutralizing or effervescing with acids; typically, a caustic or corrosive substance of this kind such as lime or soda.
  9. / a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).
  10. / a substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind
  11. / physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
Down
  1. / a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  2. / the smallest particle of a chemical element that can exist.
  3. / a substance which does not readily allow the passage of heat or sound.
  4. reaction / neutralization: a chemical reaction in which an acid and a base interact with the formation of a salt; with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
  5. table / relating to the periodic table of the elements.
  6. / the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane.
  7. / the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.
  8. / a strong, hard magnetic silvery-grey metal, the chemical element of atomic number 26, much used as a material for construction and manufacturing, especially in the form of steel.

19 Clues: table / relating to the periodic table of the elements. • / the smallest particle of a chemical element that can exist. • / a substance which does not readily allow the passage of heat or sound. • / the strength and vitality required for sustained physical or mental activity • ...

Chem Vocab 2 2023-05-19

Chem Vocab 2 crossword puzzle
Across
  1. Data that can be counted or measured in numerical values
  2. Number of solute and moles in one liter of a solution
  3. The minimum amount of energy that must be provided in compound to result in 2 chemical reactions
  4. Name of the metal is written first, followed by the name of the nonmetal with its ending changing
  5. Scientific standard unit for measuring large identity or very small entities such as atoms
  6. Outer shell electrons with an atom and can participate in the formation of chemical bonds
  7. A word added to the beginning of a word
  8. A way to say that material in your work came from another source
  9. Substance that dissolves a solute, making a solution
  10. A number in front of a formula to balance a chemical equation
  11. Bond that holds atoms together in a metallic substance
  12. Amount of substance that is required to form a saturated solution in a given amount of solute at a specified temperature
  13. Ratio between the mass and the amount of substance of any sample
  14. Any compound containing water in the form of H2O molecules
Down
  1. State where both the reactants and products are present equally and balanced
  2. Electrons not used in bonding to form a molecule
  3. Ratio between the amounts in moles of any two compounds involved in a balanced chemical reactions
  4. Descriptive and conceptual findings collected through questionnaires interviews, or observations
  5. Total moles of a solute contained in a kilogram of a solvent
  6. Chemical equation that has an equal amount of each element on both sides
  7. Substance that is dissolved in a solution
  8. Molecules composed of only two atoms
  9. Percent ratio of actual yield and the theoretical yield
  10. Bond formed from the electrostatic attraction between opposites changed ions in a chemical compound
  11. The speed that a chemical reaction takes place
  12. A bond or molecule whose ends have opposite changes
  13. Number of units one mole of any substance (6.02214076*10²³)
  14. Chemical reaction expressed in words rather than chemical formulas
  15. A word added to the end of a word
  16. Relationship between the quantities of a substance taking part in a reaction or forming a compound

30 Clues: A word added to the end of a word • Molecules composed of only two atoms • A word added to the beginning of a word • Substance that is dissolved in a solution • The speed that a chemical reaction takes place • Electrons not used in bonding to form a molecule • A bond or molecule whose ends have opposite changes • Substance that dissolves a solute, making a solution • ...

Biomolecules- Adrie Silva - Pd`1 2023-05-24

Biomolecules- Adrie Silva - Pd`1 crossword puzzle
Across
  1. A substance that cannot be separated into simpler substances
  2. Enzyme that speeds up chemical reaction by lowering the activation energy.
  3. A sugar that is naturally found in milk and milk products, like cheese or ice cream.
  4. Made 4 or more rings, a complex sugar. Starch and cellulose are examples.
  5. A compound consisting of a nucleoside linked to a phosphate group.
  6. A simple compound whose molecules can join together to form polymers
  7. Amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein.
  8. A chemical substance that is present at the start of a chemical reaction (will be broken down).
  9. A type of fat, called lipid, that circulate in your blood.
  10. A compound consisting of large molecules made up of simple monomers (small molecules).
  11. Base unit of a lipid (two words.
  12. organic compounds containing an amino group and acid group(two words).
Down
  1. Organic molecule made of smaller sub-units.
  2. A lipid containing a phosphate group in its molecule.
  3. The substance acted upon by an enzyme. the enzyme breaks this down.
  4. The simplest structural unit of an element or compound.
  5. A colorless, odorless gas that is essential for respiration
  6. A nucleic acid present in all living cells that has structural similarities to DNA.
  7. An abundant nonmetallic element in all organic compounds
  8. Protein that speeds up chemical reactions.
  9. An essential component of living cells and source of energy.
  10. A chemical substance formed as a result of a chemical reaction.
  11. A linear organic polymer consisting of a large number of amino-acid residues bonded together in a chain, forming part of (or the whole of) a protein molecule.
  12. It is the carrier of genetic information.
  13. Oily, insoluble organic compound that's a component of cells.
  14. An organic compound essential to living cells.

26 Clues: Base unit of a lipid (two words. • It is the carrier of genetic information. • Protein that speeds up chemical reactions. • Organic molecule made of smaller sub-units. • An organic compound essential to living cells. • A lipid containing a phosphate group in its molecule. • The simplest structural unit of an element or compound. • ...

Chapter 17 Thermochemistry 2022-05-05

Chapter 17 Thermochemistry crossword puzzle
Across
  1. absorbs heat from the surroundings
  2. the heat absorbed by one mole of a solid substance as it melts to a liquid at a constant temperature
  3. the heat lost when one mole of a liquid solidifies at a constant temperature
  4. one that releases heat to its surroundings
  5. the heat of reaction for the complete burning of one mole of a substance
  6. include everything else in the universe
  7. the heat content of a system at constant pressure
Down
  1. the insulated device used to measure the absorption or release of heat in chemical or physical processes
  2. the amount of heat necessary to vaporize one mole of a given liquid
  3. states that if you add two or more thermochemical equations to give a final equation, then you can also add the heats of reaction to give the final heat of reaction
  4. a chemical equation that includes the enthalpy change
  5. the energy stored in the chemical bonds of a substance
  6. represented by q, is energy that transfers from one object to another because of a temperature difference between them
  7. the enthalpy change for the chemical equation exactly as it is written
  8. the precise measurement of the heat flow into or out of a system for chemical and physical processes
  9. the change in enthalpy that accompanies the formation of one mole of a compound from its elements with all substances in their standard states at 25 degrees Celsius
  10. the enthalpy change caused by dissolution of one mole of a substance
  11. the amount of heat released when 1 mol of vapor condenses at the normal boiling point
  12. the study of energy changes that occur during chemical reactions and changes in state
  13. the amount of heat it takes to raise the temperature of 1g of the substance 1 degree Celsius
  14. the amount of heat needed to increase the temperature of an object exactly 1 degree Celsius
  15. the part of the universe on which you focus your attention

22 Clues: absorbs heat from the surroundings • include everything else in the universe • one that releases heat to its surroundings • the heat content of a system at constant pressure • a chemical equation that includes the enthalpy change • the energy stored in the chemical bonds of a substance • the part of the universe on which you focus your attention • ...

Physical Science 2021-12-02

Physical Science crossword puzzle
Across
  1. a measure of the concentration of hydrogen ions
  2. a chemical that accepts a hydrogen ion
  3. a chemical that donates a hydrogen ion
  4. on the left side of a chemical equation
  5. when reaction and its reverse act at the same rate
  6. a net release of energy
Down
  1. on the right side of a chemical equation
  2. ______ energy is also known as bond energy
  3. a net absorption of energy
  4. a substance that lowers the activation energy of a chemical reaction

10 Clues: a net release of energy • a net absorption of energy • a chemical that accepts a hydrogen ion • a chemical that donates a hydrogen ion • on the left side of a chemical equation • on the right side of a chemical equation • ______ energy is also known as bond energy • a measure of the concentration of hydrogen ions • when reaction and its reverse act at the same rate • ...

Chemical Reactions 2025-05-12

Chemical Reactions crossword puzzle
Across
  1. A substance that is made up of two or more different elements chemically bonded together.
  2. A reaction where a substance combines with oxygen, often releasing energy.
  3. A substance made of only one type of atom.
  4. A reaction that absorbs energy from the surroundings.
  5. A reaction that releases energy in the form of heat.
Down
  1. A reaction where two or more substances combine to form a new compound.
  2. A substance that is produced in a chemical reaction.
  3. A substance that is present at the start of a chemical reaction.
  4. replacement A reaction where one element replaces another in a compound.
  5. A reaction where a compound breaks down into two or more simpler substances.

10 Clues: A substance made of only one type of atom. • A substance that is produced in a chemical reaction. • A reaction that releases energy in the form of heat. • A reaction that absorbs energy from the surroundings. • A substance that is present at the start of a chemical reaction. • A reaction where two or more substances combine to form a new compound. • ...

Fun Learning 2013-09-28

Fun Learning crossword puzzle
Across
  1. reaction: Are changes in the structure of molecules
  2. number: The degree of oxidation of an atom or ion.
  3. Substance that is formed as the result of a chemical reaction.
  4. The force which holds atoms together
  5. Are the building blocks for all matter.
Down
  1. Is a symbolic representation of a chemical reaction.
  2. table: Shows element symbols, atomic numbers.
  3. Numbers and symbols that show how to work something out.
  4. A substance formed from two or more elements
  5. Are the general term used to describe pieces of matter.

10 Clues: The force which holds atoms together • Are the building blocks for all matter. • A substance formed from two or more elements • table: Shows element symbols, atomic numbers. • number: The degree of oxidation of an atom or ion. • reaction: Are changes in the structure of molecules • Is a symbolic representation of a chemical reaction. • ...

Organic Reaction Mechanisms 2021-02-04

Organic Reaction Mechanisms crossword puzzle
Across
  1. These are chiral molecules that are mirror images of each other. These molecules cannot be superimposed on one another. This then meaning that it is not possible for the molecules to placed on top of one another and give the same molecule.
  2. This is when an equal action of opposing forces of a state of rest or balance occurs. Causing a equal balance between powers and influences. This can be where reactants and products in a chemical are in concentration to have no further tendency to change.
  3. the positive carbon is attached to three alkyl groups. It the most stable.
  4. configuration inversion observed during Sn2 reaction of a substrate in which the carbon containing the leaving group is chiral
  5. This term refers to an object or molecule having lack of symmetry or not possessing symmetry at all.
  6. A unimolecular reaction occurs when a molecule rearranges itself to produce one or more products.
  7. Energy is transferred to or from the atmosphere. This is a reaction that has an overall standard enthalpy change that is ΔH⚬ which is negative. This reaction releases heat.
  8. In chemistry this is known as a chemical reaction one function group in a compound is replaced by another function group. This reaction is significant in organic chemistry.
  9. An atom or molecule which seeks a positive centre in a chemical reaction. An example being the nucleus of a atom. Containing an electron pair which is available to donate for bonding.
  10. This type reaction refer to chemicals that combine, which consist of two molecules. The reaction is considered to be either reversible or irreversible. Involving two chemical distinct molecules or two identical molecules.
  11. the stabilising interaction that occurs from the interaction of sigma bonds in C-H and C-C with either empty or partially filled p-orbitals which increases the stability of the system
Down
  1. one structural isomer is produced when other isomers are also possible. Happens due to stability.
  2. An empirical rule for predicting the favoured alkene products in elimination reactions.
  3. involving a single molecule
  4. when two or more reactants join together to make a product without losing any atoms present in the reactants.
  5. a 50:50 mix of retention and
  6. A reaction which occurs by a free radical mechanism and results in the substitution of one or more of the atoms or groups present in the substrate by different atoms or groups.
  7. A reactant that accepts a pair of electrons so it can Make A New Covalent Bond.
  8. when two substituents are taken away from a molecule in a one or two step mechanism.
  9. This refers to the minimum energy that is needed for a reaction to occur. This then means that the reactant molecules have enough kinetic energy to collide successfully and also to overcome any repulsion that may be caused by outer electrons.
  10. the process of reversing the configuration of a chiral compound, referred to as ‘_____ of chemistry’
  11. when the carbon skeleton of one molecule is arranged differently to give a structural isomer of the molecule.
  12. process that favours bond formation at a particular atom over other atoms
  13. Any process with an increase in the enthalpy H of the system. In such a process, a closed system usually absorbs thermal energy from its surroundings, which is heat transfer into the system.
  14. This refers to the sum of the Internal energy (U) and the pressure and volume (PV) product . The equation can be written as

25 Clues: involving a single molecule • a 50:50 mix of retention and • process that favours bond formation at a particular atom over other atoms • the positive carbon is attached to three alkyl groups. It the most stable. • A reactant that accepts a pair of electrons so it can Make A New Covalent Bond. • ...

Ch. 6 & 7 Vocab. 2024-04-02

Ch. 6 & 7 Vocab. crossword puzzle
Across
  1. The force that holds atoms or ions together as a unit
  2. An ion with a positive charge
  3. The force that holds cations and anions together
  4. A substance that undergoes change in a chemical reaction
  5. The attraction between a metal cation and the shared electrons that surround it
  6. A neutral group of atoms that are joined together by one or more covalent bonds
  7. A representation of a chemical reaction in which the reactants and products are expressed as formulas
Down
  1. An ion with a negative charge
  2. A chemical bond in which two atoms share a pair of valence electrons
  3. Numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  4. Notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  5. A diagram of an atom, ion or molecule in which each dot represents a valence electron
  6. New substances formed as a result of a chemical reaction
  7. An atom or group of atoms that has a positive or negative charge
  8. A mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal

15 Clues: An ion with a negative charge • An ion with a positive charge • The force that holds cations and anions together • The force that holds atoms or ions together as a unit • New substances formed as a result of a chemical reaction • A substance that undergoes change in a chemical reaction • An atom or group of atoms that has a positive or negative charge • ...

C4 2015-03-06

C4 crossword puzzle
Across
  1. ionic compounds have a ... melting point
  2. sub-atomic particle with positive charge
  3. A mixture of 2 or more elements, chemically bonded
  4. the type of reaction that occurs when two solutions react to form a solid
  5. A charged particle
  6. a bond between two non-metals
  7. element with the chemical symbol Al
  8. something made up of 1 type of atom
  9. sub-atomic particle that has no charge
  10. scientist who arranged the elements into the periodic table
  11. sub-atomic particle with negative charge
  12. the part of the atom made up of protons and neutrons
Down
  1. first element on the periodic table
  2. the gaining of an electron
  3. the loss of an electron
  4. element with the chemical symbol Na
  5. the type of reaction that occurs when a halogen is added to a solution of a compound containing a less reactive halogen
  6. table of all the elements (two words)
  7. the scientist who created the law of octaves
  8. chemical symbol of chlorine

20 Clues: A charged particle • the loss of an electron • the gaining of an electron • chemical symbol of chlorine • a bond between two non-metals • first element on the periodic table • element with the chemical symbol Na • element with the chemical symbol Al • something made up of 1 type of atom • table of all the elements (two words) • sub-atomic particle that has no charge • ...

Perfect 10 2023-03-01

Perfect 10 crossword puzzle
Across
  1. substance that is present at the end of a chemical reaction
  2. a substance which slows down or prevents a particular chemical reaction
  3. the action or process of replacing someone or something
  4. occurs when two or more reactants combine to form a single product
Down
  1. a numerical or constant quantity placed before and multiplying the variable
  2. a substance that takes part in and undergoes change during a reaction.
  3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  4. cause (a substance) to be deposited in solid form from a solution
  5. the state or process of rotting

9 Clues: the state or process of rotting • the action or process of replacing someone or something • substance that is present at the end of a chemical reaction • cause (a substance) to be deposited in solid form from a solution • occurs when two or more reactants combine to form a single product • a substance that takes part in and undergoes change during a reaction. • ...

Thermochemistry Vocabulary 2023-02-01

Thermochemistry Vocabulary crossword puzzle
Across
  1. The si unit of energy and work
  2. You use this when you do something.
  3. An energy of motion.
  4. 6.0 kJ/mol
  5. What energy is stored in chemical bonds?
  6. The amount of kinetic energy particles measured in matter
  7. What's the law that states, "energy cannot be created or destroyed only transferred"
  8. What's the study of energy during chemical reactions?
  9. The change in enthalpy that occurs during a reaction.
Down
  1. the amount of heat needed to raise the temperature of 1 gram of a substance 1 degree Celsius
  2. Units of energy usually obtained by food
  3. The release of heat
  4. 40.7 kJ/mol
  5. A form of mechanical energy due to its position or condition.
  6. The absorption of heat
  7. The change in enthalpy of a
  8. used to measure the amount of heat in a chemical reaction
  9. The amount of thermal energy in a substance.

18 Clues: 6.0 kJ/mol • 40.7 kJ/mol • The release of heat • An energy of motion. • The absorption of heat • The change in enthalpy of a • The si unit of energy and work • You use this when you do something. • Units of energy usually obtained by food • What energy is stored in chemical bonds? • The amount of thermal energy in a substance. • ...

Unit 2 Star R 2023-04-04

Unit 2 Star R crossword puzzle
Across
  1. Molecules combine to form them
  2. Dislikes water
  3. Only allows certain molecules in or out of the cell
  4. What is produced from a chemical reaction
  5. Cells combine to form them
  6. Molecules go from clustered to spaced out naturally
  7. Molecules that speed up chemical reactions
  8. Diffusion of water
  9. When energy is spent to move molecules across the membrane
  10. Organ systems combine to form them
  11. Atoms combine to form them
  12. Organelles combine to form them
Down
  1. Special region on an enzyme that makes chemical reactions
  2. Organs combine to form them
  3. The energy required to make a reaction
  4. When no energy is used when molecules move across the membrane
  5. Reactant; fits into the active site like a key to a lock
  6. Likes water
  7. When an active site of an enzyme changes shape and the substrate can no longer fit in
  8. Basic units of matter
  9. Inside of the phospholipid bilayer
  10. Tissues combine to form them

22 Clues: Likes water • Dislikes water • Diffusion of water • Basic units of matter • Cells combine to form them • Atoms combine to form them • Organs combine to form them • Tissues combine to form them • Molecules combine to form them • Organelles combine to form them • Inside of the phospholipid bilayer • Organ systems combine to form them • The energy required to make a reaction • ...

Biomolecules and Enzymes 2020-10-22

Biomolecules and Enzymes crossword puzzle
Across
  1. produced from an enzyme and substrate
  2. the monomer of a carbohydrate
  3. an enzyme that breaks down lactose
  4. elements or compounds that enter into a chemical reaction
  5. organic molecules used and produced by living organisms for survival
  6. fats, oils, waxes, and steroids
  7. complex sugars made up of many monosaccharides
  8. the monomers of nucleic acid
  9. the chemical processes that occur within a living organism in order to maintain life
  10. proteins that speed up biochemical reactions
Down
  1. made up of three fatty acids and one glycerol
  2. enzymes are considered this type of biomolecule
  3. biomolecules made up of many monomers joined together
  4. the building blocks of biomolecules
  5. one of the types of lipids, liquid at room temperature
  6. a sugar made up of two monosaccharides
  7. quick source of energy
  8. an enzyme that no longer fits with a substrate due to a physical change
  9. made of amino acids
  10. bonds with an enzyme at an active site, has a specific shape
  11. substance that speeds up the rate of a chemical reaction

21 Clues: made of amino acids • quick source of energy • the monomers of nucleic acid • the monomer of a carbohydrate • fats, oils, waxes, and steroids • an enzyme that breaks down lactose • the building blocks of biomolecules • produced from an enzyme and substrate • a sugar made up of two monosaccharides • proteins that speed up biochemical reactions • ...

Honors Photosynthesis Review 2021-10-18

Honors Photosynthesis Review crossword puzzle
Across
  1. gas that is taken in by plants during photosynthesis
  2. gas that is released during photosynthesis as waste product
  3. structure within a chloroplast; location of chlorophyll
  4. "different feeder"; organism that does not make its own food EXAMPLE: animals
  5. organelle found in plants and algae; contains green pigment
  6. a substance that is formed as the result of a chemical reaction
  7. chemical energy used by cells; adenosine triphosphate
  8. sugar that is made during photosynthesis
  9. fluid within chloroplast; location of Calvin Cycle
  10. part of plant in which photosynthesis takes place; think of as solar panels
Down
  1. type of biomolecule; glucose is an example
  2. a substance that takes part in and undergoes change during a reaction
  3. light ___ reactions; use sunlight to split water
  4. light ___ reactions; depend on ATP and NADPH to produce glucose
  5. green pigment; absorbs sunlight
  6. part of plant in which water is absorbed
  7. chemical formula for water
  8. energy used during photosynthesis
  9. process that makes glucose using sunlight
  10. "self feeder"; organism that makes its own food via photosynthesis

20 Clues: chemical formula for water • green pigment; absorbs sunlight • energy used during photosynthesis • part of plant in which water is absorbed • sugar that is made during photosynthesis • process that makes glucose using sunlight • type of biomolecule; glucose is an example • light ___ reactions; use sunlight to split water • ...

Y10 Adv Science (Chemistry) Recall Xword 2025-10-26

Y10 Adv Science (Chemistry) Recall Xword crossword puzzle
Across
  1. another name for a hydrogen atom
  2. atoms that lose or gain electrons
  3. light and strong metal used in aircraft manufacturing
  4. neither metals nor non-metals
  5. a chemical ______ is a written chemical reaction
  6. the number of electron shells of an atom
  7. most metals have a high _______ point
  8. hold ions together to form compounds
  9. the electrons on the outer shell
  10. an insoluble ionic compound
Down
  1. compounds formed between metals and non-metals
  2. the main gas in Earth's atmosphere
  3. Can not be created nor destroyed during a chemical reaction
  4. ____metals. The first group of the periodic table
  5. metals are good conductors of
  6. non-metals are mainly solids except this
  7. sharing 4 electrons between atoms
  8. most abundant element in the universe
  9. ____ represent the number of valence electrons in the periodic table
  10. the group of unreactive gases
  11. the rule that requires 8 electrons on the outer shell
  12. two or more atoms bonded together
  13. bonds that share electrons

23 Clues: bonds that share electrons • an insoluble ionic compound • metals are good conductors of • neither metals nor non-metals • the group of unreactive gases • another name for a hydrogen atom • the electrons on the outer shell • atoms that lose or gain electrons • sharing 4 electrons between atoms • two or more atoms bonded together • the main gas in Earth's atmosphere • ...

Solve the crossword puzzle 2022-08-10

Solve the crossword puzzle crossword puzzle
Across
  1. use the instant cold pack to reduce the ____________ of wounds.
  2. Chemical reaction that releases heat into the surroundings
  3. Exothermic reaction that occur in animals
  4. cramps/ use instant hot pack to relieve _________
  5. Study of heat change when chemical reactions take place
Down
  1. Chemical reaction that absorbs heat from the surrounding
  2. /A device that measures change in temperature during exothermic and endothermic reaction
  3. Endothermic reaction that occurs in plants

8 Clues: Exothermic reaction that occur in animals • Endothermic reaction that occurs in plants • cramps/ use instant hot pack to relieve _________ • Study of heat change when chemical reactions take place • Chemical reaction that absorbs heat from the surrounding • Chemical reaction that releases heat into the surroundings • ...