chemical reaction Crossword Puzzles

Biology 2020-09-10

Biology crossword puzzle
Across
  1. speed up chemical reactions
  2. a chemical that dissolves things
  3. things that are spread out
  4. substances which react inside the acids
  5. a group of atoms bound together
  6. all carbohydrates in a formula
  7. a substance that cannot be decomposed
  8. final result
  9. Lets you be able to work
  10. smallest unit, creates all things
Down
  1. the measure of the heat of something
  2. chemicals broken down
  3. consisting of multiple atoms
  4. makes up everything in the universe
  5. undergoes a change during a reaction

15 Clues: final result • chemicals broken down • Lets you be able to work • things that are spread out • speed up chemical reactions • consisting of multiple atoms • all carbohydrates in a formula • a group of atoms bound together • a chemical that dissolves things • smallest unit, creates all things • makes up everything in the universe • the measure of the heat of something • ...

Infection Control 2022-08-22

Infection Control crossword puzzle
Across
  1. capable of destroying bacteria
  2. self movement
  3. an abnormal condition of all or part of the body
  4. chemical products that destroy all bacteria
  5. chemical germicides formulated for use on the skin
  6. showing no symptoms
  7. one-celled microorganisms
  8. virus that causes AIDS
Down
  1. short rod shaped bacteria
  2. determination of the nature of a disease based on its symptoms
  3. reaction due to extreme sensitivity
  4. the ability to produce an effect
  5. any organism of microscopic size
  6. microscopic plant parasites
  7. round shaped bacteria

15 Clues: self movement • showing no symptoms • round shaped bacteria • virus that causes AIDS • short rod shaped bacteria • one-celled microorganisms • microscopic plant parasites • capable of destroying bacteria • the ability to produce an effect • any organism of microscopic size • reaction due to extreme sensitivity • chemical products that destroy all bacteria • ...

Matter 2024-11-24

Matter crossword puzzle
Across
  1. the atomic number is 5
  2. is when a gas becomes a liquid
  3. oxygen is usually the molecule
  4. is the most stable element
  5. change when two chemicals react to others
  6. change when the size or shape changes
Down
  1. the atomic number is 6
  2. it only has 1 atom
  3. 46% of the Earths weight is the answer
  4. it is the least dense
  5. particles never stop moving
  6. it is the smallest unit of matter
  7. reaction involves breaking chemical bound
  8. reaction involves breaking chemical bound
  9. floats on water
  10. can take up any container
  11. a hard object

17 Clues: a hard object • floats on water • it only has 1 atom • it is the least dense • the atomic number is 6 • the atomic number is 5 • can take up any container • is the most stable element • particles never stop moving • is when a gas becomes a liquid • oxygen is usually the molecule • it is the smallest unit of matter • change when the size or shape changes • ...

Bio Chem 1 2014-08-25

Bio Chem 1 crossword puzzle
Across
  1. smallest unit of life
  2. process by which organisms make more of their own kind; essential to carry on life
  3. attraction between molecules of the same substance; what is surface tension caused by
  4. chemical reactions for an organism; the use of energy to carry out life process
  5. stores and releases energy in the cell; stands for adinostene triphosphate
  6. carbohydrates, proteins, lipids, nucleic acids; compound that contains carbon
  7. factors that effect enzyme activity
  8. nucleotides; ex. DNA, RNA
  9. living thing
  10. response or reaction to an outside factor
  11. increase in the amount of living material; changes taking place throughout the life cycle of an organism
  12. water is _____ dense when it freezes
  13. made of one or more cells, reproduction, metabolism, growth and development, respond to stimuli
  14. must have all 5 traits of life
Down
  1. enzymes help keep the body...
  2. helps nutrients move in and out of cells; takes up 70% of of your body; where most cellular events must take place;what body's cells are filled with; essential for life
  3. elements are on the
  4. attraction between molecules of different substances
  5. simple sugars that provide energy for an organism; ex. glucose
  6. cells are the smallest units of life; organisms can be single-celled or multi-celled
  7. ATP, water; compound that does not contain carbon
  8. a change in the rate of a chemical reaction but is not consumed by the reaction itself
  9. carrying out chemical reactions, transporting oxygen, immunity; ex. hair, fingernails
  10. weak bond formed when the positive end of one water molecule is attracted to the negative end of another one
  11. carbon is an
  12. molecules with uneven distribution of charge (has a positive and negative end)
  13. trait of life that was investigated during fish lab
  14. proteins that speed up the rate of chemical reactions that take place in cells
  15. what water does when it freezes
  16. a saturated fatty acid
  17. the study of life
  18. store energy, insulation, maintaining cell membrane; ex. fats, waxes, oils, steroids

32 Clues: carbon is an • living thing • the study of life • elements are on the • smallest unit of life • a saturated fatty acid • nucleotides; ex. DNA, RNA • enzymes help keep the body... • must have all 5 traits of life • what water does when it freezes • factors that effect enzyme activity • water is _____ dense when it freezes • response or reaction to an outside factor • ...

Chemistry Crossword! 2021-04-16

Chemistry Crossword! crossword puzzle
Across
  1. I'm absolutely, 100%, without a doubt positive!
  2. Two energy shells; Three valence electrons.
  3. A model citizen in the world of chemistry.
  4. These can be changed when balancing equations.
  5. When the products are a combination of the reactants.
  6. Electrons in these bonds are free to roam.
  7. Metals with one valence electron.
  8. Valence electrons in a Cesium atom.
  9. If we were all covalent maybe we'd be more willing to...
  10. They get rearranged in a chemical reaction.
  11. Mendeleev predicted more would be found.
  12. When the reactants get broken into smaller particles.
  13. The type of dots that mean valence electrons.
  14. A negative ion.
  15. The heaviest natural element.
  16. The tiny numbers in a chemical equation.
  17. The...of an atom is like a fly in a cathedral!
  18. Most bonds between nonmetals.
Down
  1. The universe is mostly made of this substance.
  2. They're organized by # of electron shells.
  3. Valence electrons hang out here.
  4. They keep us from falling apart.
  5. A neutron's charge.
  6. Sixth group; Third period.
  7. He, Ne, Ar, Kr, etc...
  8. Electrons might have more friends if they weren't so...
  9. the number of protons in an atom.
  10. Bromine and Mercury.
  11. It makes up most of an atom's volume, and yours too.
  12. They're organized by # of valence electrons.
  13. An equation that obeys the law of conservation.
  14. Would also feel pretty comfortable in a position above Beryllium.
  15. Where the heavier elements get cooked up.
  16. Conservation of mass is a……not just a guideline!
  17. The sum of an atom's protons and neutrons.
  18. # of Br ions that will easily bond with Magnesium.
  19. The boundary between metals and nonmetals.
  20. A pattern that is repeated over and over, like weeks in a calendar.
  21. This type of substance is produced in a chemical reaction.
  22. A positive ion.
  23. The attraction between two ions.
  24. Really? Na with Cl? That is so...!
  25. Nickname for a chemical reaction.
  26. An "overweight" atom.

44 Clues: A positive ion. • A negative ion. • A neutron's charge. • Bromine and Mercury. • An "overweight" atom. • He, Ne, Ar, Kr, etc... • Sixth group; Third period. • The heaviest natural element. • Most bonds between nonmetals. • Valence electrons hang out here. • They keep us from falling apart. • The attraction between two ions. • the number of protons in an atom. • ...

solubility crossword puzzles 2025-04-11

solubility crossword puzzles crossword puzzle
Across
  1. a solution that contains more than the maximum amount of solute that is capable of being dissolved at a given temperature.
  2. heterogeneous mixture where solid particles
  3. having the same properties and chemical composition
  4. lowering the concentration of a solute in a solution by simply adding more solvent to the solution
  5. the ability of a substance to dissolve in a solvent and form a solution
  6. a solution that can dissolve more solute
  7. any substance, usually liquid, which is capable of dissolving one or several substances
  8. how much of a solute can dissolve in a solvent before the solvent can dissolve no more of the solvent
  9. the type, arrangement, and ratio of atoms within a substance, determining its properties and behavior
  10. a substance that can conduct an electric current when melted or dissolved in water.
  11. a heterogeneous mixture of a finely distributed solid in a liquid
  12. a mixture in which very small particles of one substance are distributed evenly through another substance.
  13. a compound that does not conduct an electric current in either aqueous solution or in the molten state
Down
  1. the scattering of light by particles in a colloid, making the path of the light beam visible
  2. something is dissolved in water
  3. how the properties and behavior of a substance or reaction change as the temperature is altered
  4. a solid formed by a change in a solution, often due to a chemical reaction or change in temperature that decreases solubility of a solid
  5. the number of moles of a substance dissolved in one liter of the solution
  6. a homogeneous type of mixture of two or more substances
  7. a combination of two or more substances
  8. reversible reaction where the rates of the forward and reverse reactions are equal
  9. the tendency of a chemical species such as an atom or molecule to react with another to form a chemical compound.
  10. an element or compound made up of one type of particle
  11. the amount of a substance in a defined space
  12. a substance that is dissolved in a solution.

25 Clues: something is dissolved in water • a combination of two or more substances • a solution that can dissolve more solute • heterogeneous mixture where solid particles • the amount of a substance in a defined space • a substance that is dissolved in a solution. • having the same properties and chemical composition • an element or compound made up of one type of particle • ...

Chemistry 2019-03-11

Chemistry crossword puzzle
Across
  1. A attraction between atoms that forms chemical substances
  2. A metallic mixture of two or more elements
  3. When an electron is traded between atoms in order to have full outer shells
  4. A particle in the nucleolus of an atom that has no electric charge
  5. A process where a set of substances undergo a chemical change the form a different substance
  6. Organic molecules which make up long chains of components such as DNA and RNA
  7. The study of compounds that contain the element carbon
  8. A family of elements that makes up column 18 of the periodic table. They are very stable due to the full outer electron shells
  9. It occurs between atoms that share a pair of electrons in order to gain full outer shells.
  10. Organic molecule consisting only of carbon hydrogen and oxygen, and including starches and sugars and play an important role in our daily lives
  11. Any solution where water is the solvent
  12. The process that occurs when two or more chemical substances are combined to form another chemical substance
  13. The ability of a material to be stretched into along wire
  14. The central core of an atom containing the protons and neutrons
  15. An electron in an atom that can participate in a chemical bond
  16. A process used to drive a chemical reaction by using an electrical current. It is often used to separate elements.
  17. The process of separating mixtures by boiling a liquid and then recovering the cooled gas
  18. The name of the process when oxygen combines with another element to form a compound
  19. A basic unit of matter and the smallest unit of an element. It consist of a nucleus which is surrounded by a cloud of electrons
  20. A pure chemical substance that is made up of one type of atom. Each atom in an element is defined by an atomic number which is the number of protons in the nucleus
  21. A substance is said to be malleable if it can be pounded into a thin sheet
Down
  1. A piece of chemistry lab equipment that produces a flame used for lab experiments
  2. A substance that speeds up the rate of a chemical reaction. It is not consumed in the reaction
  3. A homogeneous mixture where one substance called the solute is fully dissolved into another substance called the solvent. For example, it is formed when salt dissolves into water to make the solution salt water
  4. The study of chemical processes as they relate to living organisms
  5. Organic molecules made up of long chains of amino acids, playing an important role in nearly every process that takes place in cells
  6. The mass per unit volume of a substance
  7. It measures the activity of the hydrogen ion in substances. If a substance has a pH less than 7 it is said to be acidic. If its pH is greater than 7 then it is said to be basic or alkaline
  8. A table of the chemical elements arranged by atomic number
  9. The elements in the second column of the periodic table
  10. A compound with a pH of less than 7 that forms hydrogen ions when dissolved in water. They react when coming into contact with bases and some metals to forms salts
  11. A substance with a pH higher than 7. They are defined as donating a pair of valance electrons
  12. A material that allows the flow of energy such as heat or electricity
  13. A particle of an atom that orbits the atom’s nucleus and carries a negative charge
  14. A method by which carbon is constantly move throughout the biosphere
  15. A particle within the nucleus of an atom that holds a positive charge.
  16. A substance that is a good conductor of heat and electricity. They are generally malleable, ductile, and shiny
  17. Atoms from the same element that have different numbers of neutrons
  18. An atom or molecule which has a positive or negative charge because the number of electrons does not equal the number of protons
  19. The elements in the first column in the periodic table with the exception of the hydrogen
  20. Chemical compounds that are formed by the reaction of an acid and a base
  21. Organic molecules including fats and waxes; they are used for long terms storage of energy in life forms
  22. A combination of two or more substances that are not chemically combined
  23. Different forms in which the same element can exist. For example, the element carbon can take the form of the allotrope graphite or the allotrope diamond
  24. A pure substance made up of two or more elements
  25. It is formed when two or more atoms are joined together by a chemical bond
  26. The central element to all living organisms

47 Clues: The mass per unit volume of a substance • Any solution where water is the solvent • A metallic mixture of two or more elements • The central element to all living organisms • A pure substance made up of two or more elements • The study of compounds that contain the element carbon • The elements in the second column of the periodic table • ...

Matter and Interactions- Vocabulary 2025-06-02

Matter and Interactions- Vocabulary crossword puzzle
Across
  1. A solid formed as a result of a chemical reaction.
  2. Matter that can be broken down by a chemical reaction into its element parts.
  3. The process by which one or more substances undergo change to produce one or more different substances.
Down
  1. Techniques chemists use to purify atoms and molecules.
  2. Matter in which two or more substances (elements or compounds) are mixed together without breaking or making new bonds between atoms.
  3. A method of separating a liquid mixture through boiling and evaporation.
  4. A chemical reaction that uses electricity to break substances apart.
  5. A technique that is used to separate a single substance from a mixture of many different substances
  6. An atom that exists naturally in Earth that serves as a building block of all matter.

9 Clues: A solid formed as a result of a chemical reaction. • Techniques chemists use to purify atoms and molecules. • A chemical reaction that uses electricity to break substances apart. • A method of separating a liquid mixture through boiling and evaporation. • Matter that can be broken down by a chemical reaction into its element parts. • ...

NUCLEAR ENERGY 2023-11-30

NUCLEAR ENERGY crossword puzzle
Across
  1. / each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
  2. /a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal magnitude to that of an electron, but of opposite sign.
  3. /an electron or positron that is thrown out from the nucleus of an atom during radioactive decay
  4. /the energy released during nuclear fission or fusion, especially when used to generate electricity.
  5. /a nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy.
  6. /the number of a chemical element in the periodic system and on the periodic table that equals the number of protons in the nucleus of the atom
Down
  1. /a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
  2. /a chemical reaction or other process in which the products promote or spread the reaction, which may accelerate dramatically under certain conditions.
  3. /is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei.
  4. /the time required for one-half the atoms of a given amount of a radioactive substance to disintegrate
  5. / the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
  6. / a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
  7. /The neutron is one of the three subatomic particles that make up an atom.
  8. /the number of protons and neutrons in a nucleus.
  9. /the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.

15 Clues: /the number of protons and neutrons in a nucleus. • /The neutron is one of the three subatomic particles that make up an atom. • / a helium nucleus emitted by some radioactive substances, originally regarded as a ray. • /an electron or positron that is thrown out from the nucleus of an atom during radioactive decay • ...

Chemical Reaction Vocabulary Words 2023-10-16

Chemical Reaction Vocabulary Words crossword puzzle
Across
  1. Change a change of shape or matter substance does not change
  2. chemical when two or more substances combine in ways that make new substances
  3. the ingredients that you start with
Down
  1. a solid formed by a change in a solution
  2. a substance or molecule that is formed in a chemical reaction
  3. of Conservation of Mass mass of an object, or collection of objects new changes, no matter how the parts are rearranged
  4. chemical symbols of the elements to indicate the amount of substance of each reactant and product
  5. chemical When two substances mix and create a new substance

8 Clues: the ingredients that you start with • a solid formed by a change in a solution • a substance or molecule that is formed in a chemical reaction • Change a change of shape or matter substance does not change • chemical When two substances mix and create a new substance • chemical when two or more substances combine in ways that make new substances • ...

Enzymes and Digestion 2017-02-10

Enzymes and Digestion crossword puzzle
Across
  1. protein that controls the rate of digestion in living organisms
  2. the chemical(s) that are made in the reaction
  3. the substrate for the lipase enzyme
  4. the shape of the active site compared to the substrate
  5. what enzyme and substrate must do before chemical reaction takes place
  6. the enzyme that digests starch
Down
  1. collisions occur at a faster rate when this is high.
  2. the temperature at which enzymes work fastest
  3. the molecule(s) that bind to the active site
  4. the product of starch digestion

10 Clues: the enzyme that digests starch • the product of starch digestion • the substrate for the lipase enzyme • the molecule(s) that bind to the active site • the temperature at which enzymes work fastest • the chemical(s) that are made in the reaction • collisions occur at a faster rate when this is high. • the shape of the active site compared to the substrate • ...

S3 1st term exam revision 2022-11-21

S3 1st term exam revision crossword puzzle
Across
  1. Removing metabolic wastes from an organism
  2. Chemical reactions in a living cell
  3. The energy barrier of a chemical reaction is called _________ energy
  4. Cell membrane is _________ permeable
  5. An organism's ability of responding to a stimulus
  6. A cell which contains true nucleus and membrane bound organelles
Down
  1. Reactants in an enzymatic reaction
  2. Breaking down food and releasing energy in a living cell
  3. Site of releasing energy in a cell
  4. An enzyme which speeds up the breakdown of hydrogen peroxide into water and oxygen

10 Clues: Reactants in an enzymatic reaction • Site of releasing energy in a cell • Chemical reactions in a living cell • Cell membrane is _________ permeable • Removing metabolic wastes from an organism • An organism's ability of responding to a stimulus • Breaking down food and releasing energy in a living cell • A cell which contains true nucleus and membrane bound organelles • ...

Laney_Bellow_answers 2020-09-17

Laney_Bellow_answers crossword puzzle
Across
  1. first step in the scientific method
  2. the science that tries to understand how matter behaves by studying how molecules and atoms behave
  3. a substance made of two or more elements
  4. a singular substance that cannot be broken down into any simpler substances
Down
  1. a chemical reaction that releases energy
  2. the measurement of space within an object
  3. a chemical reaction that absorbs energy
  4. mass divided by volume
  5. the measurement of the quantity of matter within an object
  6. "model"; an explanation for laws and observations

10 Clues: mass divided by volume • first step in the scientific method • a chemical reaction that absorbs energy • a chemical reaction that releases energy • a substance made of two or more elements • the measurement of space within an object • "model"; an explanation for laws and observations • the measurement of the quantity of matter within an object • ...

Body Systems/ Enzymes 2025-04-10

Body Systems/ Enzymes crossword puzzle
Across
  1. Enzymes are a type of______ bio-molecules?
  2. A system that circulates blood and gasses throughout the body.
  3. A system that absorbs nutrients when consumed.
  4. To speed up a chemical reaction.
  5. A system that contracts to move the body.
  6. Stability within a cell and/or the body.
Down
  1. Bond to and enzyme and speed up a chemical reaction.
  2. A system that produces infection fighting antibodies.
  3. A system that removes waste from the body.
  4. The "first line of defense" in the body.

10 Clues: To speed up a chemical reaction. • The "first line of defense" in the body. • Stability within a cell and/or the body. • A system that contracts to move the body. • Enzymes are a type of______ bio-molecules? • A system that removes waste from the body. • A system that absorbs nutrients when consumed. • Bond to and enzyme and speed up a chemical reaction. • ...

redox (chapter 10) 2023-05-09

redox (chapter 10) crossword puzzle
Across
  1. Gain of electrons or loss of oxygen
  2. substance reacts with oxygen (exothermic)
  3. A substance which oxidises another substance and is reduced.
  4. oxidised organic material (with a bad smell)
  5. substance that changes in a chemical reaction.
Down
  1. Only shows the atoms and ions that react together
  2. Loss of electrons or gain of oxygen
  3. one species is being oxidised, the other is being reduced
  4. Reduces another substance and is oxidised.
  5. substance that is present at the end of a chemical reaction

10 Clues: Loss of electrons or gain of oxygen • Gain of electrons or loss of oxygen • substance reacts with oxygen (exothermic) • Reduces another substance and is oxidised. • oxidised organic material (with a bad smell) • substance that changes in a chemical reaction. • Only shows the atoms and ions that react together • one species is being oxidised, the other is being reduced • ...

redox (chapter 10) 2023-05-09

redox (chapter 10) crossword puzzle
Across
  1. Gain of electrons or loss of oxygen
  2. substance reacts with oxygen (exothermic)
  3. A substance which oxidises another substance and is reduced.
  4. oxidised organic material (with a bad smell)
  5. substance that changes in a chemical reaction.
Down
  1. Only shows the atoms and ions that react together
  2. Loss of electrons or gain of oxygen
  3. one species is being oxidised, the other is being reduced
  4. Reduces another substance and is oxidised.
  5. substance that is present at the end of a chemical reaction

10 Clues: Loss of electrons or gain of oxygen • Gain of electrons or loss of oxygen • substance reacts with oxygen (exothermic) • Reduces another substance and is oxidised. • oxidised organic material (with a bad smell) • substance that changes in a chemical reaction. • Only shows the atoms and ions that react together • one species is being oxidised, the other is being reduced • ...

year 7 chemistry 2025-02-16

year 7 chemistry crossword puzzle
Across
  1. - A negatively charged particle in an atom.
  2. - A combination of two or more substances not chemically combined.
  3. - A change where a new substance is formed.
  4. - The centre of an atom.
  5. - A substance that speeds up a chemical reaction.
  6. - The smallest unit of a chemical element.
Down
  1. - A homogeneous mixture of two or more substances.
  2. - A pure substance consisting of only one type of atom.
  3. - The state of matter with a definite shape and volume.
  4. - A substance made of two or more elements chemically combined.

10 Clues: - The centre of an atom. • - The smallest unit of a chemical element. • - A negatively charged particle in an atom. • - A change where a new substance is formed. • - A substance that speeds up a chemical reaction. • - A homogeneous mixture of two or more substances. • - A pure substance consisting of only one type of atom. • ...

Biology project 2025-12-05

Biology project crossword puzzle
Across
  1. A series of protein complexes in the inner mitochondrial membrane.
  2. A 3-carbon molecule produced at the end of glycolysis.
  3. The highly folded membrane inside mitochondria.
  4. The substances formed as a result of a chemical reaction.
  5. The main energy currency of the cell.
  6. The innermost compartment of the mitochondrion.
Down
  1. Flattened membrane sacs inside chloroplasts.
  2. The fluid-filled space inside a chloroplast, surrounding the thylakoids.
  3. The starting materials in a chemical reaction.
  4. A series of reactions in the mitochondrial matrix.

10 Clues: The main energy currency of the cell. • Flattened membrane sacs inside chloroplasts. • The starting materials in a chemical reaction. • The highly folded membrane inside mitochondria. • The innermost compartment of the mitochondrion. • A series of reactions in the mitochondrial matrix. • A 3-carbon molecule produced at the end of glycolysis. • ...

Chemistry! 2017-03-26

Chemistry! crossword puzzle
Across
  1. Would also feel pretty comfortable in a position above Beryllium.
  2. An "overweight" atom.
  3. The boundary between metals and nonmetals.
  4. They're organized by # of valence electrons.
  5. Where the heavier elements get cooked up.
  6. I'm absolutely, 100%, without a doubt positive!
  7. Electrons might have more friends if they weren't so...
  8. Most bonds between nonmetals.
  9. A model citizen in the world of chemistry.
  10. When the reactants get broken into smaller particles.
  11. If we were all covalent maybe we'd be more willing to...
  12. Two energy shells; Three valence electrons.
  13. Valence electrons in a Cesium atom.
  14. The heaviest natural element.
  15. The...of an atom is like a fly in a cathedral!
  16. The attraction between two ions.
  17. Mendeleev predicted more would be found.
  18. Valence electrons hang out in the ----- shell.
  19. He, Ne, Ar, Kr, etc...
  20. Metals with one valence electron.
  21. The type of dots that mean valence electrons.
Down
  1. They get rearranged in a chemical reaction.
  2. A pattern that is repeated over and over, like weeks in a calendar.
  3. An equation that obeys the law of conservation.
  4. The tiny numbers in a chemical equation.
  5. It makes up most of an atom's volume, and yours too.
  6. They keep us from falling apart.
  7. Nickname for a chemical reaction.
  8. The sum of an atom's protons and neutrons.
  9. A positive ion.
  10. The number of Br ions that will easily bond with Magnesium.
  11. The universe is mostly made of this substance.
  12. These can be changed when balancing equations.
  13. Really? Na with Cl? That is so...!
  14. Electrons in these bonds are free to roam.
  15. Sixth group; Third period.
  16. the number of protons in an atom.
  17. They're organized by # of electron shells.
  18. When the products are a combination of the reactants.
  19. A negative ion.
  20. A neutron's charge.
  21. This type of substance is produced in a chemical reaction.
  22. Bromine and Mercury.
  23. Conservation of mass is a……not just a guideline!

44 Clues: A positive ion. • A negative ion. • A neutron's charge. • Bromine and Mercury. • An "overweight" atom. • He, Ne, Ar, Kr, etc... • Sixth group; Third period. • Most bonds between nonmetals. • The heaviest natural element. • They keep us from falling apart. • The attraction between two ions. • Nickname for a chemical reaction. • the number of protons in an atom. • ...

Science Review (11/19-20) 2014-11-20

Science Review (11/19-20) crossword puzzle
Across
  1. the amount of space that matter occupies
  2. state of matter that has no definite shape but has definite volume.
  3. the change in state from a solid directly to a gas without passing through the liquid state.
  4. number of electrons that will fit in the second energy level.
  5. element with 9 protons
  6. the amount of matter in an object.
  7. a proton consists of three of these.
  8. type of solution that contains as much dissolved solute as is possible at a given temperature.
  9. the ratio of the mass of a substance to its volume.
  10. number of neutrons that Hydrogen-1 has.
  11. a substance formed as a result of a chemical reaction.
  12. an atom with the same number of protons and a different number of neutrons from other atoms of the same element.
  13. the basic particle from which all elements are made.
  14. the temperature at which a substance changes from a solid to a liquid.
  15. number of neutrons in the most common isotope of fluorine.
  16. number of valence electrons in a Carbon atom
  17. atomic mass unit
  18. a small particle in the nucleus of the atom with no electrical charge.
Down
  1. a measure of how much solute can dissolve in a given solvent at a given temperature.
  2. a solid that forms from a solution during a chemical reaction.
  3. solubility, density, and melting point are examples of these.
  4. term to describe the electrons that are in the highest energy level of an atom and that are involved in chemical reactions.
  5. an atom or group of atoms that has become electrically charged.
  6. a substance that enters into a chemical reaction.
  7. the number of protons in the nucleus of an atom.
  8. charge of an ion that has two more electrons than protons (remember number goes first!)
  9. charge of an atom with an equal number of protons and electrons.
  10. number of electrons that will fit in the first energy level.
  11. element with 10 protons

29 Clues: atomic mass unit • element with 9 protons • element with 10 protons • the amount of matter in an object. • a proton consists of three of these. • number of neutrons that Hydrogen-1 has. • the amount of space that matter occupies • number of valence electrons in a Carbon atom • the number of protons in the nucleus of an atom. • ...

Bio Chem 1 2014-08-25

Bio Chem 1 crossword puzzle
Across
  1. smallest unit of life
  2. process by which organisms make more of their own kind; essential to carry on life
  3. attraction between molecules of the same substance; what is surface tension caused by
  4. chemical reactions for an organism; the use of energy to carry out life process
  5. stores and releases energy in the cell; stands for adinostene triphosphate
  6. carbohydrates, proteins, lipids, nucleic acids; compound that contains carbon
  7. factors that effect enzyme activity
  8. nucleotides; ex. DNA, RNA
  9. living thing
  10. response or reaction to an outside factor
  11. increase in the amount of living material; changes taking place throughout the life cycle of an organism
  12. water is _____ dense when it freezes
  13. made of one or more cells, reproduction, metabolism, growth and development, respond to stimuli
  14. must have all 5 traits of life
Down
  1. enzymes help keep the body...
  2. helps nutrients move in and out of cells; takes up 70% of of your body; where most cellular events must take place;what body's cells are filled with; essential for life
  3. elements are on the
  4. attraction between molecules of different substances
  5. simple sugars that provide energy for an organism; ex. glucose
  6. cells are the smallest units of life; organisms can be single-celled or multi-celled
  7. ATP, water; compound that does not contain carbon
  8. a change in the rate of a chemical reaction but is not consumed by the reaction itself
  9. carrying out chemical reactions, transporting oxygen, immunity; ex. hair, fingernails
  10. weak bond formed when the positive end of one water molecule is attracted to the negative end of another one
  11. carbon is an
  12. molecules with uneven distribution of charge (has a positive and negative end)
  13. trait of life that was investigated during fish lab
  14. proteins that speed up the rate of chemical reactions that take place in cells
  15. what water does when it freezes
  16. a saturated fatty acid
  17. the study of life
  18. store energy, insulation, maintaining cell membrane; ex. fats, waxes, oils, steroids

32 Clues: carbon is an • living thing • the study of life • elements are on the • smallest unit of life • a saturated fatty acid • nucleotides; ex. DNA, RNA • enzymes help keep the body... • must have all 5 traits of life • what water does when it freezes • factors that effect enzyme activity • water is _____ dense when it freezes • response or reaction to an outside factor • ...

IGCSE Environment Key Words 2024-08-16

IGCSE Environment Key Words crossword puzzle
Across
  1. A chemical process in which a substance reacts with oxygen to give off heat.
  2. Contamination of the environment by harmful substances.
  3. A chemical reaction involving the gain of electrons or a decrease in oxidation state.
  4. The movement of water through the soil and porous rock.
  5. The process by which water vapor becomes liquid.
  6. The process of making an area more urban or increasing the population of cities.
  7. The reduction of oxygen levels in a body of water.
  8. The degradation of water quality by any process that changes ambient water temperature (two words).
  9. The process of water movement through plants and its evaporation from leaves.
  10. A type of air pollution formed by the reaction of sunlight with pollutants (two words).
  11. Energy from a source that is not depleted when used, such as wind or solar power (two words).
  12. The process by which organisms convert oxygen and glucose into energy.
  13. The act of releasing something, especially gas or radiation, into the atmosphere.
  14. A site for the disposal of waste materials by burial.
  15. A substance that increases the rate of a chemical reaction without being consumed.
  16. The study of the adverse effects of chemicals on living organisms.
  17. The process of converting nitrogen gas into nitrogen compounds that plants can absorb (two words).
  18. Liquid waste or sewage discharged into a river or the sea.
Down
  1. A layer in the Earth’s stratosphere that absorbs most of the Sun's UV radiation (two words).
  2. The process of turning from liquid into vapor.
  3. Process where water bodies become nutrient-rich, leading to excessive algae growth.
  4. The lowest layer of the Earth’s atmosphere, where most weather occurs.
  5. Metallic elements with high densities that are toxic at low concentrations (two words).
  6. The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.
  7. Warming of the Earth's surface due to trapped heat (two words).
  8. The accumulation of substances, such as pesticides, in an organism.
  9. Water that flows over the ground surface rather than being absorbed.
  10. A biological community of interacting organisms and their physical environment.
  11. The removal of topsoil by natural forces such as wind and water (two words).
  12. Natural fuels formed from the remains of ancient organisms (two words).
  13. The layer of gases surrounding the Earth.
  14. A chemical reaction involving the loss of electrons or an increase in oxidation state.

32 Clues: The layer of gases surrounding the Earth. • The process of turning from liquid into vapor. • The process by which water vapor becomes liquid. • The reduction of oxygen levels in a body of water. • A site for the disposal of waste materials by burial. • Contamination of the environment by harmful substances. • The movement of water through the soil and porous rock. • ...

Chapter 2 2024-09-23

Chapter 2 crossword puzzle
Across
  1. a substance that is present before a chemical reaction and stake part in it
  2. the building blocks of matter
  3. an attraction between two atoms as a result of sharing or transferring valence electrons
  4. a change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance
  5. the process by which particles in solution are evenly distributed throughout the solvent by brownian motion
  6. the process by which one substance the solute, is broken up into smaller pieces by and distributed within a second substance the solvent
  7. a substance that can produce hydroxide ions or accept hydrogen ions in solution
  8. a class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things
  9. the substances formed during a chemical reaction
  10. the tendency of energy to disperse and become less available to do work
  11. a change in a substance that does not change the idenity of the substance
  12. a measurement o the average speed of the particles within a substance
  13. an organic compound comprised of the elements carbon, hydrogen, and oxygen
  14. a naturally occurring catalyst, usually a protein
  15. the smallest paritcle of a covalently bonded compound
  16. a class of organic compounds that serve as the building blocks of proteins
Down
  1. a pure substance made from two or more elements that are chemically combined
  2. the attraction of particles in one substance for particles in a different substance
  3. a substance that binds to an enzyme and reduces its activity
  4. the attraction between like particles within polar substances
  5. a substance that can produce hydrogen ions in solution
  6. a substance that changes the rate of chemical reaction but is not itself used up or affected by the reaction
  7. a pure substance made of only one kind of atom
  8. a class of simple organic compounds important in living things as a source of both energy and structure
  9. the ability to do work
  10. quality of molecules having an uneven distribution of electrical charge resulting in some regions of a molecule having negative charge while others are positive
  11. a covalently bonded compound containing the element carbon
  12. the physcial stuff that makes up the universe
  13. a class organic compounds that serve as the building blocks for the information storage molecules DNA and RNA

29 Clues: the ability to do work • the building blocks of matter • the physcial stuff that makes up the universe • a pure substance made of only one kind of atom • the substances formed during a chemical reaction • a naturally occurring catalyst, usually a protein • the smallest paritcle of a covalently bonded compound • a substance that can produce hydrogen ions in solution • ...

Photosynthesis 2024-10-01

Photosynthesis crossword puzzle
Across
  1. an organism that gets its food by eating other living things, such as plants or animals, instead of making its own food
  2. small openings on the surface of leaves that allow for gas exchange, enabling carbon dioxide to enter and oxygen to exit the plant.
  3. The natural light that comes from the sun, providing the energy necessary for photosynthesis to occur in plants.
  4. an organism that can produce its own food using inorganic substances, typically through processes like photosynthesis or chemosynthesis
  5. A gas produced as a byproduct of photosynthesis, released into the atmosphere by plants and essential for the respiration of most living organisms.
  6. The green pigment found in chloroplasts that absorbs light energy for photosynthesis, primarily in the blue and red wavelengths.
  7. The process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy stored in glucose, using carbon dioxide and water.
  8. A waxy, protective layer covering the surface of leaves and stems that reduces water loss and protects against pathogens.
  9. Substances that are formed as a result of a chemical reaction. In photosynthesis, the products are glucose and oxygen.
Down
  1. a type of organism whose cells have a nucleus and other specialized structures called organelle
  2. A vital for all living organisms, water is absorbed by plant roots and is a key reactant in the photosynthesis process.
  3. The outer layer of cells covering leaves and stems, providing protection and aiding in gas exchange.
  4. a simple type of organism whose cells do not have a nucleus or other membrane-bound structures
  5. The inner tissue of a leaf, composed of chlorenchyma cells where most photosynthesis occurs. It includes palisade and spongy mesophyll.
  6. Substances that undergo a chemical change in a reaction. In photosynthesis, the reactants are carbon dioxide and water.
  7. A colorless, odorless gas present in the atmosphere, used by plants during photosynthesis as a reactant to produce glucose and oxygen.
  8. Organelles found in plant cells and some algae that conduct photosynthesis, containing thylakoids and stroma
  9. a simple sugar produced during photosynthesis, serving as a primary energy source for plants and other organisms.
  10. a series of chemical reactions where the product of one reaction is consumed by the next reaction
  11. The flat, green parts of a plant where photosynthesis primarily occurs, containing chlorophyll and specialized cells for gas exchange.
  12. Membrane-bound structures within chloroplasts that contain chlorophyll and are the site of the light-dependent reactions of photosynthesis.
  13. space surrounding thylakoids in chloroplasts, where the light-independent reactions (Calvin Cycle) occur.

22 Clues: a simple type of organism whose cells do not have a nucleus or other membrane-bound structures • a type of organism whose cells have a nucleus and other specialized structures called organelle • a series of chemical reactions where the product of one reaction is consumed by the next reaction • ...

BioEnergy Crossword 2025-09-22

BioEnergy Crossword crossword puzzle
Across
  1. , The organelle in eukaryotic cells where aerobic respiration occurs and ATP is produced.
  2. , Energy stored in the bonds of molecules (like glucose) that can be used by cells.
  3. , A substance that starts a chemical reaction (used up during the reaction).
  4. cellular respiration that occurs without oxygen
  5. , A substance that is produced by a chemical reaction.
  6. The main energy currency of the cell, used to power biological processes.
  7. The diffusion of water molecules across a selectively permeable membrane.
  8. movement of molecules from an area of high concentration to low concentration until equilibrium is reached.
  9. process of converting light energy into chemical energy
  10. movement of molecules against their concentration gradient (low → high) using energy (ATP).
  11. reactant in respiration & waste product of photosynthesis
  12. The outer boundary of a cell that controls what enters and leaves, keeping the cell’s internal environment stable.
  13. A byproduct of anaerobic respiration in animal cells, produced when oxygen is low (e.g., during intense exercise).
Down
  1. , Energy from the sun that can be captured by chlorophyll to make chemical energy in photosynthesis.
  2. A type of feedback mechanism that amplifies a change, often moving the system further from its starting point (e.g., blood clotting).
  3. The ability of an organism or cell to maintain a stable internal environment despite changes in the external environment.
  4. A byproduct of anaerobic respiration (alcoholic fermentation) in yeast and some bacteria.
  5. A process in which the body or a cell responds to a change in order to maintain homeostasis.
  6. The movement of molecules without using energy, usually along the concentration gradient (high → low).
  7. dioxide, plants remove this gas from the atmosphere through photosynthesis
  8. A type of feedback mechanism that reverses a change to return the system to its normal state (e.g., shivering to raise body temperature).
  9. , An anaerobic process that allows cells to produce ATP without oxygen, producing lactic acid or ethanol as a byproduct.
  10. cellular respiration that occurs with oxygen making the maximum number of ATP
  11. plants perform photosynthesis to create this
  12. The green pigment in plants that absorbs light energy for photosynthesis.
  13. The reaction of a cell or organism to a stimulus.
  14. , A substance produced during a process that is not needed by the organism and is usually removed
  15. A substance that helps maintain a stable pH in a solution, resisting changes when acids or bases are added.
  16. The organelle in plant cells where photosynthesis occurs.
  17. Any change in the environment (internal or external) that causes a response from an organism or cell.

30 Clues: plants perform photosynthesis to create this • cellular respiration that occurs without oxygen • The reaction of a cell or organism to a stimulus. • , A substance that is produced by a chemical reaction. • process of converting light energy into chemical energy • The organelle in plant cells where photosynthesis occurs. • ...

Bio CK12 2.22 Calvin Cycle 2025-11-30

Bio CK12 2.22 Calvin Cycle crossword puzzle
Across
  1. organism that gets food by consuming other organisms
  2. the ability to do work
  3. simple sugar that all living things use to store and transport energy
  4. first stage of photosynthesis in which light energy from the sun is captured and changed into chemical energy that is stored in ATP and NADPH
  5. short-term energy carrier; temporarily stores energy during photosynthesis
  6. organic compound that supplies energy to the body, such as sugar and starch
  7. characteristic that an organism inherits that helps it survive and reproduce in a given environment
  8. an individual living thing
  9. sum of all the biochemical reactions in an organism
  10. an enzyme involved in carbon fixation that combines one molecule of CO2 with a 5-carbon sugar called ribulose biphosphate (RuBP); the most abundant enzyme on Earth
  11. substance that is present at the start of a chemical reaction
  12. tiny pore in the leaf of a plant that can open and close to control transpiration (release of water vapor) and gas exchange with the air
  13. organelle in the cells of plants and algae, that contains chlorophyll and is the site of photosynthesis
  14. organic molecules, such as glucose, that organisms use for chemical energy
Down
  1. green pigment in a chloroplast that absorbs light energy during the light reactions of photosynthesis
  2. series of electron-transport molecules that pass high-energy electrons from molecule to molecule and capture their energy
  3. process that occurs when one or more substances, called reactants, is changed into one or more new substances, called products
  4. a protein that acts as a biological catalyst, increasing the rate of a biochemical reaction
  5. carbon-containing molecules, such as carbohydrates, lipids, proteins, and nucleic acids that form the basis of life
  6. process in which cells use carbon dioxide, water, and light energy to make oxygen and glucose, an energy-storing sugar
  7. process in which an organism builds low-energy inorganic CO2 into high-energy organic molecules like glucose
  8. mixture of gases that surrounds a planet such as Earth
  9. a substance that increases the rate of a chemical reaction by lowering the activation energy without being used up in the reaction
  10. energy-carrying molecule that cells use to power their metabolic processes; provides the cell with an immediate usable form of energy
  11. organism that makes its own food
  12. multicellular, heterotrophic eukaryote with specialized cells that lack cell walls; member of the animal kingdom
  13. modified front legs, or forelimbs, that are adaptations for flight

27 Clues: the ability to do work • an individual living thing • organism that makes its own food • sum of all the biochemical reactions in an organism • organism that gets food by consuming other organisms • mixture of gases that surrounds a planet such as Earth • substance that is present at the start of a chemical reaction • ...

Proteins Revision 2022-07-04

Proteins Revision crossword puzzle
Across
  1. The -NH2 chemical group in an amino acid
  2. The variable side chain that is different for each amino acid (_-_ _ _ _ _)
  3. _____ interactions, the tendency of non-polar molecules/parts of molecules to clump together avoiding water.
  4. The bond between two amino acids.
  5. Proteins in the immune system that recognise different pathogens.
  6. A strong bond formed by two atoms sharing electrons.
  7. The protein that carries oxygen in red blood cells.
  8. The level of protein structure that means the overall 3D shape of the molecule.
  9. The monomer of a polypeptide.
  10. A polymer of amino acids.
Down
  1. The level of structure that means the sequence of amino acids in a protein.
  2. ____ acid, the -COOH chemical group in an amino acid.
  3. A polymer made of amino acids folded into a specific 3D shape.
  4. One form of secondary protein structure.
  5. Beta-pleated ____: another form of secondary protein structure.
  6. The opposite of hydrophobic.
  7. Something that can speed up a chemical reaction.
  8. The protein hormone that people with Type I diabetes cannot make.
  9. The level of protein structure found in some proteins such as haemoglobin that have multiple subunits and/or a prosthetic group.
  10. A molecule of this is produced when a peptide bond is formed between two amino acids.
  11. _____ bridge, a covalent bond between the sulfur atoms in two molecules of the amino acid cysteine.
  12. A protein that can catalyse a reaction.

22 Clues: A polymer of amino acids. • The opposite of hydrophobic. • The monomer of a polypeptide. • The bond between two amino acids. • A protein that can catalyse a reaction. • The -NH2 chemical group in an amino acid • One form of secondary protein structure. • Something that can speed up a chemical reaction. • The protein that carries oxygen in red blood cells. • ...

8th Science Lesson 2 2024-08-29

8th Science Lesson 2 crossword puzzle
Across
  1. These types of metals are good conductors of heat and electricity
  2. The temperature at which a solid becomes a liquid is the ______ point
  3. A type of property that describes how a substance undergoes a reaction
  4. Most reactive nonmetal group
  5. If an element has a high likelihood to go through a chemical reaction, it is very ___
  6. A type of property that describes how a substance behaves without being changed chemically
  7. at extremely high temperatures, almost any element can be a ____
  8. If an elements' atoms are really compact (close together), they are ____
  9. Group 2: ___ earth metals
  10. Characteristics about elements that may be either chemical or physical
  11. Potassium, Rhodium, and lead are all examples of this
  12. Carbon, Iodine, and Argon are all examples of this
  13. Element with the simplest atoms
Down
  1. The kind of energy that may change a solid to a liquid or a liquid to a gas
  2. atomic mass is an ____ of the masses of all isotopes of that element
  3. Scientist that first started sorting the elements into a periodic table
  4. A repeated pattern
  5. A column in the periodic table may also be called this
  6. Most stable group
  7. A row in the periodic table may also be called this
  8. The most reactive group of metals
  9. Have similarities to both metals and nonmetals

22 Clues: Most stable group • A repeated pattern • Group 2: ___ earth metals • Most reactive nonmetal group • Element with the simplest atoms • The most reactive group of metals • Have similarities to both metals and nonmetals • Carbon, Iodine, and Argon are all examples of this • A row in the periodic table may also be called this • ...

Mixtures and Solutions Vocabulary 2024-04-27

Mixtures and Solutions Vocabulary crossword puzzle
Across
  1. any substance that goes through a chemical change
  2. to make a liquid thinner or weaker
  3. a insoluble solid separated from a liquid solution
  4. able to be dissolved
  5. amount of solid dissolved in water
  6. a substance gained through a chemical reaction
  7. an invisible force that pulls objects to each other
  8. when a material is no longer visible in a liquid
  9. a material or liquid you can see through
  10. matter with specific properties and composition
  11. when a liquid is turned into a gas
  12. a material that dissolves in a solution
  13. a thickness of some material covering another material
  14. containing the maximum amount of solute able to be dissolved
  15. a piece of steel or iron that attracts some objects
Down
  1. to take something apart
  2. reaction a process where atoms change into a new substance
  3. a liquid used to dissolve a solute
  4. mass per unit of volume
  5. to separate a solid from a solution
  6. the amount of matter in an object
  7. increasing saturation beyond saturated
  8. to separate a part from a mixture
  9. a distinctive or characteristic of a substance
  10. space within the boundaries occupied by a 3-D object
  11. a mixture formed when a material dissolves in H2O
  12. can not be dissolved
  13. a natural material arranged in regular repeating patterns
  14. a mixture of small stones and pebbles

29 Clues: able to be dissolved • can not be dissolved • to take something apart • mass per unit of volume • the amount of matter in an object • to separate a part from a mixture • to make a liquid thinner or weaker • a liquid used to dissolve a solute • amount of solid dissolved in water • when a liquid is turned into a gas • to separate a solid from a solution • ...

Acids and Bases 2024-06-25

Acids and Bases crossword puzzle
Across
  1. Acids taste...
  2. A soluble base.
  3. Toothpaste is pH...
  4. What is the chemical symbol for calcium?
  5. A mixture containing a liquid with something else dissolved in it.
  6. _______ specs must be worn in a lab when we use chemicals
  7. The product name after the metal and the acid in a neutralisation reaction.
  8. A substance that changes colour depending on whether the conditions are acidic or alkaline, e.g. Universal...
  9. The salt produced by ethanoic acid.
  10. What happens to the pH if you add alkali to a solution?
  11. A substance that is neutralised by a base.
  12. Complete the equation: sodium + sulfuric acid → _________ + hydrogen
  13. A substance that can cause chemical burns is called...
Down
  1. The acid that produces sulfate salts.
  2. What is the chemical name of common table salt?
  3. A liquid that dissolves a solute.
  4. Alaklis taste...
  5. The gas produced when acid reacts with a metal.
  6. The mass of acid (solute) divided by the volume of water (solvent)
  7. A reaction where an acid and alkali cancel each other out
  8. A substance that neutralises an acid.
  9. The acid that produces chloride salts.
  10. A soluble substance.
  11. Complete the equation: lithium hydroxide + ________ acid → lithium nitrate + water
  12. What yellow fruit contains citric acid?
  13. A low concentration
  14. Vinegar is pH...
  15. What household cleaner contains alkali?
  16. The pH of a neutral substance

29 Clues: Acids taste... • A soluble base. • Alaklis taste... • Vinegar is pH... • Toothpaste is pH... • A low concentration • A soluble substance. • The pH of a neutral substance • A liquid that dissolves a solute. • The salt produced by ethanoic acid. • The acid that produces sulfate salts. • A substance that neutralises an acid. • The acid that produces chloride salts. • ...

Unit 2 2025-03-24

Unit 2 crossword puzzle
Across
  1. Hates/fears water
  2. When a protein loses its intended shape and function
  3. A cell membrane's ability to allow certain substances to pass through while also stopping others
  4. The specific location on an enzyme where a substrate binds
  5. A group of organs that work together to complete one or more certain actions
  6. The minimum amount of energy required to begin a chemical reaction
  7. Type of transport that does not require energy to move substances across a cell membrane
  8. An organized or specialized structure in a living cell
  9. The movement of water molecules from a solution with a high concentration to a solution with a lower concentration of water molecules
Down
  1. The substance that an enzyme acts upon
  2. Main structural component of cell membranes, hydrophilic head, two hydrophobic tails
  3. A protein that accelerates chemical reactions
  4. A group of similar cells that work together to complete a certain action
  5. Loves water
  6. The substance(s) formed as a result of a chemical reaction
  7. Smallest unit of measure in an element, building block of all matter
  8. Movement of molecules from a highly concentrated area to a lower concentrated area
  9. Type of transport that does require energy to move substances across a cell membrane
  10. A structure formed using different tissues that work together to complete a certain action
  11. A group of atoms bonded together
  12. Any living thing
  13. Basic building block of life

22 Clues: Loves water • Any living thing • Hates/fears water • Basic building block of life • A group of atoms bonded together • The substance that an enzyme acts upon • A protein that accelerates chemical reactions • When a protein loses its intended shape and function • An organized or specialized structure in a living cell • ...

Earth's InteriorS 2025-04-16

Earth's InteriorS crossword puzzle
Across
  1. naturally occurring solid with a chemical composition from inorganic material
  2. forms from cooled magma or lava
  3. act of changing some material in the Earth by heat, pressure, or chemical reaction
  4. wave that is produced from an earthquake that travels through Earth
  5. small, solid pieces of material that is biotic or abiotic
  6. grains that make up the solid size, shape and pattern of the grain
  7. repeating pattern of a mineral's particles forming a solid
  8. layer of molten metal surrounding the inner core that is a liquid
  9. layer of dense ball of solid metal (iron and nickel) with extreme pressure
  10. what forms the solid or liquid by the chemicals atoms
  11. types of atoms that make up the crust of the Earth like oxygen and silicon
Down
  1. forms when rock is changed by heat or pressure or chemical reaction
  2. data or observations that support or disprove hypothesis
  3. the movement of material from cold to hot temperatures in a cycle
  4. process by which atoms are arranged to form a material that has a crystal
  5. hot layer of rock that is 3,000 kilometers thick in the Earth
  6. layer of solid rock that forms the outer layer of the Earth
  7. is when a living thing uses it's minerals and makes a solid
  8. how the rock was formed
  9. small particles of rocks or the remains of biotic materials are pressed and cemented

20 Clues: how the rock was formed • forms from cooled magma or lava • what forms the solid or liquid by the chemicals atoms • data or observations that support or disprove hypothesis • small, solid pieces of material that is biotic or abiotic • repeating pattern of a mineral's particles forming a solid • layer of solid rock that forms the outer layer of the Earth • ...

Key words 2024-12-08

Key words crossword puzzle
Across
  1. Process in which red blood cells are clumped together by an antibody.
  2. Different versions of the same gene.
  3. Short lengths of RNA that combine with specific amino acids prior to protein synthesis.
  4. The whole of the genetic information of an organism or cell.
  5. Length of DNA that carries specific genes in a linear sequence.
  6. One of two types of chemical compound used to make nucleotides – cytosine, thymine and uracil.
  7. The particular position of a gene on homologous chromosomes.
  8. A covalent bond between monosaccharide residues in disaccharides and polysaccharides.
  9. Formed from a triacylglycerol in which one of the fatty acid groups is replaced by an ionized phosphate group.
Down
  1. Large organic molecule made up of repeating subunits (monomers).
  2. Heritable factor that consists of a length of DNA that codes for a protein.
  3. Chemical compounds of the same chemical formula but different structural formulae.
  4. An organic base combined with pentose sugar and phosphate.
  5. A group of four-ring hydrocarbons, of which cholesterol, oestradiol and testosterone are examples.
  6. Reaction where molecules are split into smaller molecules.
  7. Long carbohydrate molecules attached to membrane proteins and membrane lipids.
  8. Reaction that combines two molecules.
  9. Having hydrophobic and hydrophilic parts on the same molecule.
  10. The chemically active part of a member of a series of organic molecules.
  11. Three consecutive bases in DNA which specify an amino acid.

20 Clues: Different versions of the same gene. • Reaction that combines two molecules. • An organic base combined with pentose sugar and phosphate. • Reaction where molecules are split into smaller molecules. • Three consecutive bases in DNA which specify an amino acid. • The whole of the genetic information of an organism or cell. • ...

Unit 2: Matter 2025-08-27

Unit 2: Matter crossword puzzle
Across
  1. A _____________ property can be observed or measured without changing the identity of the substance
  2. Anything that has mass and takes up space.
  3. a solid that forms and separates from a liquid mixture
  4. A blend of two or more kinds of matter, each of which retains its own identity and properties
  5. The substances that react or go in to a chemical reaction.
  6. has a definite volume but an indefinite shape
  7. A mixture where particles are large enough to settle out over time.
  8. A __________________ mixture is a mixture that is uniform in composition.
  9. A substance that is made from the atoms of two or more elements that are chemically bonded.
Down
  1. ______________ properties do NOT depend on the amount of matter.
  2. ___________ is a super-charged gas where atoms lose electrons.
  3. A ____________ is two or more atoms bonded together (can be the same or different kinds of atoms).
  4. The substances that are formed by a chemical reaction.
  5. A ____________ property is a substance’s ability to undergo changes that transform it into different substances
  6. The smallest unit of an element that maintains the properties of that element
  7. A mixture where particles are small, evenly dispersed, and don’t settle out.
  8. ______________ properties depend on the amount of matter.
  9. has definite volume and definite shape
  10. A _____________ mixture is a mixture that is not uniform throughout and can be separated.
  11. Neither definite volume nor definite shape.

20 Clues: has definite volume and definite shape • Anything that has mass and takes up space. • Neither definite volume nor definite shape. • has a definite volume but an indefinite shape • The substances that are formed by a chemical reaction. • a solid that forms and separates from a liquid mixture • ______________ properties depend on the amount of matter. • ...

Photosynthesis Cellular Respiration and ATP 2025-12-18

Photosynthesis Cellular Respiration and ATP crossword puzzle
Across
  1. Enzyme that synthesizes ATP using a proton gradient.
  2. Protein–pigment complex in thylakoid membranes that absorbs light energy.
  3. Gain of electrons in a chemical reaction.
  4. Immediate energy currency of the cell.
  5. Organelle in plant cells where light-dependent and light-independent reactions of photosynthesis occur.
  6. Anaerobic pathway that regenerates NAD⁺ when oxygen is absent.
  7. Series of membrane proteins that transfer electrons to power ATP formation.
  8. A six-carbon sugar that stores chemical energy produced by photosynthesis.
  9. GRADIENT Difference in hydrogen ion concentration that drives ATP production.
Down
  1. Organelle that carries out aerobic cellular respiration and produces most ATP.
  2. High-energy electron carrier produced in the light reactions and used in the Calvin cycle.
  3. Stage of respiration in the mitochondrial matrix that releases CO₂ and loads electron carriers.
  4. Loss of electrons during a chemical reaction, important in energy transfer.
  5. Lower-energy molecule formed when ATP releases energy.
  6. Innermost space of the mitochondrion where the Krebs cycle occurs.
  7. First stage of cellular respiration that splits glucose in the cytoplasm without requiring oxygen.
  8. Gas released during photosynthesis and required for aerobic respiration.
  9. Light‑independent cycle that uses CO₂, ATP, and NADPH to build sugars.
  10. A negativelyvely charged particle transferred along carrier molecules in redox reactions.
  11. Flattened membrane sacs inside chloroplasts that contain chlorophyll and host the light reactions.

20 Clues: Immediate energy currency of the cell. • Gain of electrons in a chemical reaction. • Enzyme that synthesizes ATP using a proton gradient. • Lower-energy molecule formed when ATP releases energy. • Anaerobic pathway that regenerates NAD⁺ when oxygen is absent. • Innermost space of the mitochondrion where the Krebs cycle occurs. • ...

Chemistry Vocab 2023-11-28

Chemistry Vocab crossword puzzle
Across
  1. a substance that takes part in and undergoes change during a reaction.
  2. a chemical reaction in which one reactant breaks down into two or more products.
  3. a reaction in which one element is substituted for another element in a compound.
Down
  1. a new material formed in a chemical reaction.
  2. Reaction a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  3. a type of reaction in which multiple reactants combine to form a single product

6 Clues: a new material formed in a chemical reaction. • a substance that takes part in and undergoes change during a reaction. • a type of reaction in which multiple reactants combine to form a single product • a chemical reaction in which one reactant breaks down into two or more products. • ...

Physical and Chemical change 2017-09-20

Physical and Chemical change crossword puzzle
Across
  1. The new substances formed in a chemical reaction
  2. Reactions during which heat is released
  3. Reactions in which heat is absorbed
  4. A solid in which atoms are arranged in a regular pattern
  5. The process of depositing a layer of zinc on iron
Down
  1. The substance obtained from sea water by evaporation
  2. The process of obtaining salt from sea water
  3. The gas produced when calcium carbonate is heated
  4. The substances participating in a chemical reaction
  5. The reddish brown substance covered in iron gates and nail

10 Clues: Reactions in which heat is absorbed • Reactions during which heat is released • The process of obtaining salt from sea water • The new substances formed in a chemical reaction • The gas produced when calcium carbonate is heated • The process of depositing a layer of zinc on iron • The substances participating in a chemical reaction • ...

How Can I Make New Stuff From Old Stuff? 2018-01-29

How Can I Make New Stuff From Old Stuff? crossword puzzle
Across
  1. when atoms do not enter or leave the system
  2. when two or more substances have an effect upon one another
  3. substance made by a chemical reaction
  4. rainwater that has certain substances mixed in as factories burn coal
  5. starting substance in a chemical reaction
Down
  1. the amount of space something takes up
  2. the amount of matter in a substance
  3. a test where only one variable is changed at a time
  4. the mass in a set volume of a substance
  5. an independent variable

10 Clues: an independent variable • the amount of matter in a substance • substance made by a chemical reaction • the amount of space something takes up • the mass in a set volume of a substance • starting substance in a chemical reaction • when atoms do not enter or leave the system • a test where only one variable is changed at a time • ...

redox (chapter 10) 2023-05-09

redox (chapter 10) crossword puzzle
Across
  1. Gain of electrons or loss of oxygen
  2. substance reacts with oxygen (exothermic)
  3. A substance which oxidises another substance and is reduced.
  4. oxidised organic material (with a bad smell)
  5. substance that changes in a chemical reaction.
Down
  1. Only shows the atoms and ions that react together
  2. Loss of electrons or gain of oxygen
  3. one species is being oxidised, the other is being reduced
  4. Reduces another substance and is oxidised.
  5. substance that is present at the end of a chemical reaction

10 Clues: Loss of electrons or gain of oxygen • Gain of electrons or loss of oxygen • substance reacts with oxygen (exothermic) • Reduces another substance and is oxidised. • oxidised organic material (with a bad smell) • substance that changes in a chemical reaction. • Only shows the atoms and ions that react together • one species is being oxidised, the other is being reduced • ...

Balancing Equations Crossword- Zoey Pol 2023-10-10

Balancing Equations Crossword- Zoey Pol crossword puzzle
Across
  1. When something is added to a chemical equation
  2. WHen something is taken away from the equation
  3. Substances produced after the reaction
  4. An equation is this when there is no mass created or destroyed
  5. What happens during the arrow or the rearranging of atoms
Down
  1. Anything that takes up space
  2. An equation is this when mass is created and or destroyed
  3. The substances present before a chemical reaction
  4. A law that states mass is never created or destroyed
  5. This represents the change

10 Clues: This represents the change • Anything that takes up space • Substances produced after the reaction • When something is added to a chemical equation • WHen something is taken away from the equation • The substances present before a chemical reaction • A law that states mass is never created or destroyed • An equation is this when mass is created and or destroyed • ...

No one will beat this without google 2024-01-31

No one will beat this without google crossword puzzle
Across
  1. The word that means things are kept the same
  2. of matter The form of atoms in a substance
  3. Anything that takes up space and has mass
  4. If the number of atoms on both sides of an equation are the same
  5. The scientist that made fruit rot
Down
  1. If there are not the same amount of atoms on both sides
  2. The stuff that comes out of a chemical reaction
  3. the amount of something
  4. The ingredients for a chemical reaction.
  5. The symbol showing change in an equation

10 Clues: the amount of something • The scientist that made fruit rot • The ingredients for a chemical reaction. • The symbol showing change in an equation • Anything that takes up space and has mass • of matter The form of atoms in a substance • The word that means things are kept the same • The stuff that comes out of a chemical reaction • ...

Chemical Reactions Crossword 2025-06-03

Chemical Reactions Crossword crossword puzzle
Across
  1. something that can be observed about a substance
  2. the tiny pieces that all matter is made of
  3. A process in which atoms rearrange into new substances
  4. a group of more than one atom bonded together
  5. The starting substances in a chemical reaction
Down
  1. Something that is made up of all the same atoms
  2. The ending substances in a chemical reaction
  3. To change the order or structure of something
  4. Something that makes it simpler to see/understand an idea
  5. The relative size of things

10 Clues: The relative size of things • the tiny pieces that all matter is made of • The ending substances in a chemical reaction • To change the order or structure of something • a group of more than one atom bonded together • The starting substances in a chemical reaction • Something that is made up of all the same atoms • something that can be observed about a substance • ...

Chemistry 2019-06-03

Chemistry crossword puzzle
Across
  1. anything that takes up space and has mass
  2. electron in the highest energy level
  3. smallest type of matter
  4. positively charged ion
  5. respresents a chemical substance
  6. ending substance
Down
  1. respresents a chemical reaction
  2. starting substance
  3. charged atom
  4. negatively charged ion

10 Clues: charged atom • ending substance • starting substance • negatively charged ion • positively charged ion • smallest type of matter • respresents a chemical reaction • respresents a chemical substance • electron in the highest energy level • anything that takes up space and has mass

Xavier Simpson 2022-03-08

Xavier Simpson crossword puzzle
Across
  1. a particle
  2. quantitative relationship between the amount of reactants used and the amount of products formed
  3. lowest whole number ratio within a compound
  4. (actual/theoretical) x 100
  5. the amount of product that was ACTUALLY produced
  6. the MAXIMUM amount of a reactant produced
Down
  1. mass of one mole of a substance
  2. the reactant that is used up in a chemical reaction
  3. multiple of an empirical formula
  4. a ratio between the umber of moles of any substances in a chemical reaction

10 Clues: a particle • (actual/theoretical) x 100 • mass of one mole of a substance • multiple of an empirical formula • the MAXIMUM amount of a reactant produced • lowest whole number ratio within a compound • the amount of product that was ACTUALLY produced • the reactant that is used up in a chemical reaction • ...

Xavier Simpson 2022-03-08

Xavier Simpson crossword puzzle
Across
  1. a particle
  2. quantitative relationship between the amount of reactants used and the amount of products formed
  3. lowest whole number ratio within a compound
  4. (actual/theoretical) x 100
  5. the amount of product that was ACTUALLY produced
  6. the MAXIMUM amount of a reactant produced
Down
  1. mass of one mole of a substance
  2. the reactant that is used up in a chemical reaction
  3. multiple of an empirical formula
  4. a ratio between the umber of moles of any substances in a chemical reaction

10 Clues: a particle • (actual/theoretical) x 100 • mass of one mole of a substance • multiple of an empirical formula • the MAXIMUM amount of a reactant produced • lowest whole number ratio within a compound • the amount of product that was ACTUALLY produced • the reactant that is used up in a chemical reaction • ...

Chemical Compounds- Chapter 7 2017-01-23

Chemical Compounds- Chapter 7 crossword puzzle
Across
  1. A negative ion
  2. A particle that can be negatively or positively charged
  3. When two non-metal atoms share electrons
  4. Two nitrogen joined together is an example
  5. H2O is an example
Down
  1. A positive ion
  2. Water (H2O) is an example of this
  3. A compound that consists of positively and negatively charged ions
  4. Two or more atoms that have joined together in a unit
  5. A substance that speeds up a chemical reaction but is not used up in the reaction

10 Clues: A positive ion • A negative ion • H2O is an example • Water (H2O) is an example of this • When two non-metal atoms share electrons • Two nitrogen joined together is an example • Two or more atoms that have joined together in a unit • A particle that can be negatively or positively charged • A compound that consists of positively and negatively charged ions • ...

Photosynthesis crossword 2021-10-20

Photosynthesis crossword crossword puzzle
Across
  1. low energy molecule
  2. is a fluid that surrounds the grana
  3. plants and other organisms use light energy to convert water and carbon dioxide into oxygen and sugars.
  4. reaction where something is is absorbed and turned into ATP and NADPH
Down
  1. has the components for photosynthesis
  2. it absorbs light and and is the pigment of plants
  3. reactions in a membrane that transfer electrons from one chemical to another across the thylakoid
  4. chemical reaction that makes glucose
  5. synthesizing ATP from organic chemicals instead of light
  6. high energy molecule

10 Clues: low energy molecule • high energy molecule • is a fluid that surrounds the grana • chemical reaction that makes glucose • has the components for photosynthesis • it absorbs light and and is the pigment of plants • synthesizing ATP from organic chemicals instead of light • reaction where something is is absorbed and turned into ATP and NADPH • ...

Chemistry Crossword 2 2024-01-31

Chemistry Crossword 2 crossword puzzle
Across
  1. creator of the law of conservation of mass
  2. the idea that matter cannot be created or destroyed, only transformed
  3. purest substance made of one type of atom
  4. substances present before a chemical reaction
  5. anything that has mass or takes up space
  6. neutrally charged part of an atom
  7. positively charged part of an atom
Down
  1. an equation where both sides have the same number of atoms
  2. negatively charged part of an atom
  3. substances created as a result of a chemical reaction

10 Clues: neutrally charged part of an atom • negatively charged part of an atom • positively charged part of an atom • anything that has mass or takes up space • purest substance made of one type of atom • creator of the law of conservation of mass • substances present before a chemical reaction • substances created as a result of a chemical reaction • ...

Balancing Equations Crossword- Zoey Pol 2023-10-10

Balancing Equations Crossword- Zoey Pol crossword puzzle
Across
  1. When something is added to a chemical equation
  2. WHen something is taken away from the equation
  3. Substances produced after the reaction
  4. An equation is this when there is no mass created or destroyed
  5. What happens during the arrow or the rearranging of atoms
Down
  1. Anything that takes up space
  2. An equation is this when mass is created and or destroyed
  3. The substances present before a chemical reaction
  4. A law that states mass is never created or destroyed
  5. This represents the change

10 Clues: This represents the change • Anything that takes up space • Substances produced after the reaction • When something is added to a chemical equation • WHen something is taken away from the equation • The substances present before a chemical reaction • A law that states mass is never created or destroyed • An equation is this when mass is created and or destroyed • ...

Photosynthesis 2025-10-01

Photosynthesis crossword puzzle
Across
  1. A green pigment that absorbs sunlight.
  2. Energy Something that comes from the sun.
  3. The part of a plant in the stem where sugar can travel.
  4. And organelle that contains chlorophyll.
  5. A process where plants can make their own food.
Down
  1. Leaf The factory where photosynthesis happens.
  2. A liquid that is crucial to plants for food.
  3. The sugar that plants make for their own food.
  4. Substances formed in a chemical reaction.
  5. The chemicals that are needed for a chemical reaction to take place.

10 Clues: A green pigment that absorbs sunlight. • And organelle that contains chlorophyll. • Substances formed in a chemical reaction. • A liquid that is crucial to plants for food. • Energy Something that comes from the sun. • The sugar that plants make for their own food. • A process where plants can make their own food. • Leaf The factory where photosynthesis happens. • ...

Photosynthesis and Cellular Respiration 2025-12-08

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. Plants use this to make food
  2. a substance or entity created by a biological process, like a chemical reaction, gene expression, or organismal function
  3. Powerhouse of the cell
  4. a crucial three-carbon molecule and the end product of glycolysis
  5. Energy
Down
  1. the metabolic process in living organisms by which oxygen is combined with carbon in a cell to form carbon dioxide and generate energy.
  2. Turns plants green
  3. where specialized structures are embedded
  4. The starting substances that are consumed and transformed by a chemical reaction
  5. water

10 Clues: water • Energy • Turns plants green • Powerhouse of the cell • Plants use this to make food • where specialized structures are embedded • a crucial three-carbon molecule and the end product of glycolysis • The starting substances that are consumed and transformed by a chemical reaction • ...

Vocab 6B, Hanna Oberoi, P4th 2017-03-20

Vocab 6B, Hanna Oberoi, P4th crossword puzzle
Across
  1. Horizontal row of elements on the Periodic Table that have the same number of electrons.
  2. States that matter is neither created nor destroyed in ordinary chemical and physical changes.
  3. An interaction that holds atoms together.
  4. A chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction.
Down
  1. A chemical reaction that requires an input of energy and usually feels cold when it absorbs heat in the reaction.
  2. Elements that have some properties of metals and non-metals and are found along the zigzag on the Periodic Table.
  3. electrons on the outermost ring in the shell and determines the reactivity of an atom.
  4. A vertical column on the Periodic Table that have similar properties.

8 Clues: An interaction that holds atoms together. • A vertical column on the Periodic Table that have similar properties. • electrons on the outermost ring in the shell and determines the reactivity of an atom. • Horizontal row of elements on the Periodic Table that have the same number of electrons. • ...

Nuclear Energy 2023-11-05

Nuclear Energy crossword puzzle
Across
  1. - No particles release only high energy
  2. - A chemical chain reaction is like a domino effect, where one reaction triggers others, often releasing energy.
  3. - Total Number of protons and neutrons in the nucleus
  4. - Process in which the nucleus of an atom splits into two or more smaller nuclei
  5. - Process in which the nuclei of 2 atoms combine
  6. - An electron is emitted
  7. - The number of protons in the nucleus of the atom
Down
  1. - Atoms of the same chemical element with a different number of neutrons/atomic mass
  2. - The ability to emit mass and energy
  3. - Located in the Nucleus has no charge
  4. - Made up of protons and Neutrons
  5. - Half the amount of time a substance takes to decay
  6. - Located in the nucleus has a positive charge
  7. - A helium nucleus is released

14 Clues: - An electron is emitted • - A helium nucleus is released • - Made up of protons and Neutrons • - The ability to emit mass and energy • - Located in the Nucleus has no charge • - No particles release only high energy • - Located in the nucleus has a positive charge • - Process in which the nuclei of 2 atoms combine • - The number of protons in the nucleus of the atom • ...

Chemistry and more! 2025-07-03

Chemistry and more! crossword puzzle
Across
  1. chemical compound with the chemical formula CH4
  2. a unit of measurement that denotes an amount of substance
  3. an ancient branch of natural philosophy, a philosophical and protoscientific tradition
  4. The rarest natural occurring element
  5. pure chemical substance composed of more than one element
  6. the scientific study of life and living organisms
Down
  1. a discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents.
  2. the smallest unit of matter
  3. said to have first made the atom theory
  4. process that leads to the chemical transformation of one set of chemical substances to another.
  5. a substance with a specific composition

11 Clues: the smallest unit of matter • The rarest natural occurring element • said to have first made the atom theory • a substance with a specific composition • chemical compound with the chemical formula CH4 • the scientific study of life and living organisms • a unit of measurement that denotes an amount of substance • ...

Shivam Gurjar 2021-08-29

Shivam Gurjar crossword puzzle
Across
  1. _is blueish and greenish in colour.
  2. the substances that have the ability to oxidize other substances.
  3. the reaction in which more reactive metal displaces less reactive.
  4. we need to balance the number of _ elements while balancing the chemical equation.
Down
  1. which compound formed by metals and nonmetals.
  2. substance that takes part in and undergoes change during a reaction.
  3. what happens when oxygen is added.
  4. the substances which are formed in a chemical reaction are called.

8 Clues: what happens when oxygen is added. • _is blueish and greenish in colour. • which compound formed by metals and nonmetals. • the substances that have the ability to oxidize other substances. • the reaction in which more reactive metal displaces less reactive. • the substances which are formed in a chemical reaction are called. • ...

Chemical Reactions 2024-02-26

Chemical Reactions crossword puzzle
Across
  1. Gas that turns limewater cloudy (6,7)
  2. Elements on the left hand side of the periodic table are all _______ (6)
  3. What you see in a chemical reaction when gas is made (7)
  4. Endothermic reactions take in _____ energy (4)
Down
  1. A substance that increases the rate of a reaction (8)
  2. The chemicals you start with in a reaction (9)
  3. Fires need fuel, heat and _________ to burn (6)
  4. Chemical being broken down by heat is called Thermal ___________ (13)

8 Clues: Gas that turns limewater cloudy (6,7) • The chemicals you start with in a reaction (9) • Endothermic reactions take in _____ energy (4) • Fires need fuel, heat and _________ to burn (6) • A substance that increases the rate of a reaction (8) • What you see in a chemical reaction when gas is made (7) • ...

C1.2 Respiration (HL) 2023-06-09

C1.2 Respiration (HL) crossword puzzle
Across
  1. (Two words)Building Blocks of Lipids that can provide a substrate for respiration
  2. (Two words) the production of ATP through a series of oxidation and reduction reactions that results in the addition of a phosphate group to another molecule.
  3. (Two words)the movement of materials through a cell membrane using the energy provided by respiration
  4. energy storing reactions.
  5. the gain of electrons or gain of hydrogen.
  6. a metabolic pathway that breaks glucose down to pyruvate.
  7. (Two words)a nucleotide triphosphate that is a common source of energy in cells.
  8. An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
  9. invaginations of the inner mitochondrial membrane.
  10. (Two words) a decarboxylation reaction that occurs in the mitochondrial matrix between the biochemical processes of glycolysis and the Krebs cycle.
  11. a compartment inside the inner membrane of the mitochondrion.
  12. a compound produced during the breakdown of glucose in anaerobic metabolism in animals and bacteria. (AKA Lactic acid)
  13. (Two words) a type of cellular chemical reaction where oxygen is consumed and energy is released from glucose.
  14. (Three words)Oxygen provides this role at the end of the ETC in aerobic respiration, where it is also combined with carbon to make CO2
Down
  1. (Three words) a group of proteins that accept and donate electrons in a series.
  2. a chemical reaction that involves the removal of CO2.
  3. the loss of electrons or loss of hydrogen.
  4. the end product of glycolysis.
  5. (Two words) The space between the inner and outer membrane of the mitochondria
  6. Breaking down complex molecules by the chemical addition of water
  7. (One word + 3 letters) the energy rich form of the hydrogen carrier.
  8. the formation of separate membrane-bound areas in a Mitochondrion (or chloroplast) that provides the benefit of creating specialised structures or areas for particular functions. E.g. the matrix of the mitochondrion contains the necessary enzymes for the Krebs cycle.
  9. a process for making ATP using the energy stored in an electrochemical gradient of hydrogen ions.
  10. (Two words) The second major stage of cellular respiration, in which pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions
  11. A word to describe any chemical reaction that combines simple molecules to build more-complex molecules
  12. energy releasing reactions.
  13. splitting
  14. (Two words)an enzyme that utilizes the H+ electrochemical gradient to synthesize ATP.

28 Clues: splitting • energy storing reactions. • energy releasing reactions. • the end product of glycolysis. • the loss of electrons or loss of hydrogen. • the gain of electrons or gain of hydrogen. • invaginations of the inner mitochondrial membrane. • a chemical reaction that involves the removal of CO2. • a metabolic pathway that breaks glucose down to pyruvate. • ...

Ecology and Human Impact Vocabulary 2024-10-22

Ecology and Human Impact Vocabulary crossword puzzle
Across
  1. A model used to explain how enzymes and substrates interact.
  2. The conversation of water is the cycling of water through evaporation, condensation, precipitation, and infiltration in the environment.
  3. Energy cannot be created or destroyed.
  4. A type of membrane which allows certain particles to pass through, while other cannot.
  5. A homogeneous mixture of one or more solutes dissolved in a solvent.
  6. Series of metabolic processes for breaking down glucose to form energy.
  7. Basic unit of life that makes up all living organisms.
  8. Processes or organisms that require oxygen to function.
  9. The movement of water molecules from a solution with a high concentration of water molecules to a solution with a lower concentration of water molecules, through a cell's partially permeable membrane.
  10. Minimum amount of energy required for a chemical reaction to occur.
  11. Any chemical reaction that absorbs heat from its environment.
  12. Passive transport is the movement of substances across a cell membrane without using energy, relying on concentration gradients to move from high to low concentration.
  13. Two solutions of equal concentrations of solutes and water separated by a semipermeable membrane to allow water to move freely in and out of a cell.
  14. Sodium-potassium pump is a protein that moves sodium out and potassium into cells, maintaining balance and charge.
Down
  1. Movement of a substance up its concentration gradient, using energy input from the cell and requiring membrane protein channels.
  2. A dissolved substance.
  3. A type of passive transport that uses specialized proteins, such as channel proteins and carrier proteins, to help molecules move across a cell membrane.
  4. A chemical reaction that releases energy by light or heat.
  5. The process by which cells take in substances from outside of the cell by engulfing them in a vesicle.
  6. A solution or a muscle, having greater tonicity or level of tension than the other.
  7. The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
  8. The movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.
  9. Induced fit is when an enzyme changes shape to fit a substrate better during their interaction.
  10. “Not requiring oxygen”
  11. the process of adding a catalyst to facilitate a reaction.
  12. Protein that acts as a catalyst to speed up chemical reactions in living organisms.
  13. The source of energy for use and storage at the cellular level.

27 Clues: A dissolved substance. • “Not requiring oxygen” • Energy cannot be created or destroyed. • Basic unit of life that makes up all living organisms. • Processes or organisms that require oxygen to function. • A chemical reaction that releases energy by light or heat. • the process of adding a catalyst to facilitate a reaction. • ...

Organic Chemistry 2022-01-16

Organic Chemistry crossword puzzle
Across
  1. contains an OH group
  2. C4H8
  3. C4H10
  4. a chemical feedstock
  5. made of small repeating units
  6. a reaction that releases heat
  7. breaking up a hydrocarbon
  8. making petrol in cars
  9. a 3 carbon alcohol
  10. C2H5OH
Down
  1. contains double bonds
  2. produces ethanol
  3. for surfacing roads
  4. reacts with aqueous bromine
  5. C3H6
  6. simplest alkane
  7. a transition metal
  8. saturated hydrocarbon

18 Clues: C4H8 • C3H6 • C4H10 • C2H5OH • simplest alkane • produces ethanol • a transition metal • a 3 carbon alcohol • for surfacing roads • contains an OH group • a chemical feedstock • contains double bonds • making petrol in cars • saturated hydrocarbon • breaking up a hydrocarbon • reacts with aqueous bromine • made of small repeating units • a reaction that releases heat

TYPES OF CHEMICAL REACTIONS- DONE BY BILAL 2024-05-19

TYPES OF CHEMICAL REACTIONS- DONE BY BILAL crossword puzzle
Across
  1. Oxygen combines with a compound to form carbon dioxide and water.These reactions are exothermic, meaning they give off heat
  2. One element takes place with another element in the compound.
  3. Two solutions of soluble salts are mixed resulting in an insoluble solid (precipitate) forming
  4. Two or more compounds combine to form one compound
Down
  1. in which two chemical substances react by exchanging ions to produce two new molecules
  2. The opposite of a combination reaction – a complex molecule breaks down to make simpler ones
  3. An acid and a base react with each other. Generally, the product of this reaction is salt and water
  4. a type of reaction in which multiple reactants combine to form a single product
  5. reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat
  6. is a type of chemical reaction that occurs between an acid (H+) and a base (OH-). In this reaction, the acid and base react with each other to produce a salt and water

10 Clues: Two or more compounds combine to form one compound • One element takes place with another element in the compound. • a type of reaction in which multiple reactants combine to form a single product • in which two chemical substances react by exchanging ions to produce two new molecules • ...

Unit 2 -Weathering and Erosion VOCAB 2023-11-16

Unit 2 -Weathering and Erosion VOCAB crossword puzzle
Across
  1. average temperature and precipitation over a long period of time
  2. movement pulling of rock and sediment downhill by the force of gravity
  3. breakdown of rocks by the repeated freezing and thawing of water
  4. sediments coming to a rest
  5. a change in an object that does change the identity of the object
  6. the reaction of carbon dioxide and water to form an acid (carbonic acid)
  7. broken down pieces of rock
  8. movement of weathered sediments
Down
  1. change in the chemical composition of a substance, while being broken down
  2. sediment organized by size, shape & density; wind waves and running water cause these deposits
  3. scratches in rock, caused by glacier
  4. no organization of sediment; gravity and glaciers cause these deposits
  5. chemical reaction where materials react with oxygen in the atmosphere (rust)
  6. a change in an object that does not change the identity of the object
  7. the physical breakdown of material, without changing the chemical composition
  8. bumping together of rocks/sediment which causes the corners of rocks/pebbles to be rounded
  9. the breakdown of rocks on or near the Earth's surface, into smaller segments
  10. usually in mountain areas the rapid movement of rock or debris down a slope
  11. slow moving mass of ice and snow on mountains or near the Earth's poles
  12. weathered rock that also contains organic materials (biological activity) carries based on where you live

20 Clues: sediments coming to a rest • broken down pieces of rock • movement of weathered sediments • scratches in rock, caused by glacier • average temperature and precipitation over a long period of time • breakdown of rocks by the repeated freezing and thawing of water • a change in an object that does change the identity of the object • ...

Energy & Matter in an Ecosystem 2025-01-11

Energy & Matter in an Ecosystem crossword puzzle
Across
  1. detritivore that breaks down dead organisms and waste products through chemical processes
  2. organism that consumes food to obtain energy
  3. factors that limit the growth of a population
  4. organism that consumes producers only
  5. model that shows trophic levels of an ecosystem
  6. organism that consumes dead organisms or organic waste
  7. substances that are produced in a chemical reaction
  8. organism that consumes animals only
  9. the living populations and non-living parts of a certain area
  10. process that producers use to change carbon dioxide and water into glucose and oxygen
  11. organism that produces food through the photosynthesis
  12. refers to water environments
  13. building block of matter
  14. elements and compounds are rearranged to form new elements and compounds
Down
  1. anything that has mass and volume
  2. living thing
  3. two or more elements that are bonded
  4. sugar that organisms use in the process of cellular respiration to make energy
  5. consumer that hunts other animals for food
  6. protecting natural resources
  7. model that shows the linear path of energy in an ecosystem
  8. refers to land environments
  9. substances that are changed in a chemical reaction
  10. animals that are hunted for food
  11. organism that consumes plants and animals
  12. model that shows multiple paths of energy in an ecosystem
  13. ability to do work
  14. protists that make their own food

28 Clues: living thing • ability to do work • building block of matter • refers to land environments • protecting natural resources • refers to water environments • animals that are hunted for food • anything that has mass and volume • protists that make their own food • organism that consumes animals only • two or more elements that are bonded • organism that consumes producers only • ...

IMPORTANCE OF ISOTOPES (AMELIA) 2021-06-01

IMPORTANCE OF ISOTOPES (AMELIA) crossword puzzle
Across
  1. a version of an element
  2. is a isotope of hydrogen tieh 2 neutrons and one proton
  3. it has 1 proton and 1 neutron, is another isotope of hydrogen
  4. a big star that is the center of our galaxy
Down
  1. an isotope of hydrogen with only one proton
  2. any basic substance that is used in or produced by a reaction involving changes to atoms or molecules
  3. it is the smallest part of matter
  4. also called chemical change or chemical phenomenon
  5. is an element that is used to inflate ballons that can go away

9 Clues: a version of an element • it is the smallest part of matter • an isotope of hydrogen with only one proton • a big star that is the center of our galaxy • also called chemical change or chemical phenomenon • is a isotope of hydrogen tieh 2 neutrons and one proton • it has 1 proton and 1 neutron, is another isotope of hydrogen • ...

AP Chemistry Vocabulary 2024-03-25

AP Chemistry Vocabulary crossword puzzle
Across
  1. The minimum amount of energy required to initiate a chemical reaction.
  2. The process of organizing or categorizing objects or phenomena based on shared characteristics or properties.
  3. The process of reducing the concentration of a solute in a solution.
  4. In constant motion or change, often used to describe systems in equilibrium.
  5. In chemistry, when a substance is present in large quantities or easily available, it's referred to as this.
  6. The ability of a substance to conduct electricity.
  7. The measure of the separation of charge in a molecule.
  8. When two quantities change in opposite directions, such that as one increases, the other decreases
  9. Allowing light to pass through freely, without significant interference.
  10. The amount of energy required to break a chemical bond.
  11. When two variables change together in a predictable way, they are said to be this.
  12. To recognize or differentiate between two or more objects or phenomena based on their distinct characteristics.
  13. Weak intermolecular forces between polar molecules.
  14. To determine or express the quantity or amount of something using numerical values or measurements.
  15. To propose a tentative explanation for an observed phenomenon based on available evidence.
  16. To watch or look at something attentively to gain information or insight.
  17. To handle or control something skillfully or deceptively
  18. A chemical reaction involving two reactant molecules.
  19. The distance between the nuclei of two bonded atoms.
  20. To suggest or put forward a plan, idea, or hypothesis for consideration.
  21. Chemical reactions where a compound breaks down into simpler substances.
  22. Chemical equations are considered this when the number of atoms of each element is the same on both sides.
  23. To release energy or particles into the surroundings.
  24. To foretell or estimate a future event or outcome based on past data or trends
  25. To change or alter in form, quality, or magnitude.
  26. To deduce or conclude something based on evidence or reasoning.
  27. A distinguishing trait or quality of a substance, often used for identification or classification purposes.
  28. The ability of a material to be drawn out into a thin wire.
  29. An equation that relates the rate of a reaction to the concentration of reactants.
  30. Different forms of the same element, having different molecular structures.
  31. A specific instance used to illustrate or explain a concept or principle.
  32. Having the quality of drawing objects together, often used to describe forces in chemistry.
  33. Remaining in one place without moving, often used to describe equilibrium states.
  34. A technique used to separate components of a mixture based on their differential affinities for a stationary phase.
  35. A substance that lacks a defined crystalline structure.
  36. The range of wavelengths of electromagnetic radiation emitted or absorbed by a substance.
  37. A theory that explains how chemical reactions occur by focusing on the collisions between reactant molecules.
  38. To assign a position or level to something based on its value or importance compared to others.
  39. To assess or judge the value or worth of something based on criteria or standards.
  40. When something consists of or is composed of certain elements or parts.
  41. The number of atoms or molecules in one mole of a substance.
  42. Substances formed when two or more elements chemically combine in fixed ratios.
  43. A substance that speeds up a chemical reaction without being consumed in the process.
  44. The principle that energy cannot be created or destroyed, only transformed from one form to another.
  45. Believable or reasonable based on available evidence or information
  46. Standards or rules used for evaluation or decision-making in scientific experiments or studies
  47. Electrons in the inner shells of an atom.
  48. A scientific law relating the concentration of a substance in a solution to its absorbance of light.
  49. Happening or occurring at the same time or instant.
  50. The process of releasing energy or particles, often in the form of light or heat.
  51. This process involves the uptake of a substance by another material, often seen in chemical reactions or physical phenomena.
  52. When one substance replaces another in a chemical reaction, it's known as this.
  53. A substance that can donate a proton in a chemical reaction.
  54. Proposed by John Dalton, it states that atoms are indivisible and indestructible building blocks of matter.
Down
  1. The measurement of heat changes in a chemical reaction.
  2. Intermolecular forces between a polar molecule and a nonpolar molecule.
  3. To become smaller or decrease in size, often seen in physical changes or reactions.
  4. The amount of product obtained from a reaction or process.
  5. A molecule with a separation of positive and negative charges.
  6. Having the ability to react as both an acid and a base.
  7. When two or more substances or components act on each other or have an effect on each other.
  8. A specific order or arrangement of elements or events.
  9. The movement of liquids through narrow spaces without the assistance of external forces.
  10. Data or measurements that are expressed as numerical values or quantities
  11. Numbers placed before chemical formulas to balance chemical equations
  12. A process in which one or more substances are converted into different substances with different properties.
  13. When one variable increases, the other variable also increases
  14. Pairs of acids and bases that differ by one proton.
  15. When drawing parallels between different chemical concepts or systems to aid understanding, scientists often use this method.
  16. To implement or utilize scientific principles or theories in practical situations or experiments.
  17. The spontaneous ionization of water molecules into hydronium and hydroxide ions.
  18. A substance that can accept a proton in a chemical reaction.
  19. To explain or understand the meaning or significance of something
  20. A number or symbol written below and to the right of a chemical symbol to indicate the number of atoms in a molecule.
  21. The distance from the center of an atom's nucleus to its outermost electron shell.
  22. To remove confusion or ambiguity by making something clearer or easier to understand.
  23. A technique used to separate components of a mixture based on differences in boiling points.
  24. The substance being analyzed or studied in a scientific experiment or process.
  25. To make an educated guess based on available information or data.
  26. Based on truth, fact, or logic, often used to describe arguments or conclusions.
  27. A solution that resists changes in pH when acids or bases are added.
  28. To suggest or hypothesize a theory or idea, often for consideration or further investigation
  29. Data or observations that are descriptive rather than numerical in nature
  30. A law describing the electrostatic interaction between charged particles.
  31. To move or convey something from one place to another.
  32. Chemists frequently break down data or substances into smaller parts to understand their nature or composition.
  33. A unit used to express the mass of atoms and molecules.
  34. In scientific research, scientists often compare data or phenomena to identify similarities and differences.
  35. The weighted average mass of atoms in a naturally occurring sample of an element.
  36. A repeating arrangement or sequence of elements or events
  37. The size or extent of something, often measured in terms of scale or degree
  38. The basic unit of matter, consisting of a nucleus surrounded by electrons.
  39. Chemical bonds formed by the sharing of electrons between atoms.
  40. Not moving or changing, often used to describe certain states in chemistry
  41. When exact values are not available, scientists often use this term to describe values that are close to the actual value.
  42. A continuous sequence or range of values, often used in scientific discussions about various properties.
  43. A series of steps followed in a particular order to achieve a specific result or goal.
  44. A general direction in which something tends to move or develop

98 Clues: Electrons in the inner shells of an atom. • The ability of a substance to conduct electricity. • To change or alter in form, quality, or magnitude. • Weak intermolecular forces between polar molecules. • Pairs of acids and bases that differ by one proton. • Happening or occurring at the same time or instant. • The distance between the nuclei of two bonded atoms. • ...

Enzyme Crossword Puzzle Assignment 2017-01-09

Enzyme Crossword Puzzle Assignment crossword puzzle
Across
  1. Enzyme function where substrate fits perfectly into enzyme's active site
  2. A catalyst made from protein that speed up reactions in substrates
  3. What happens to an enzyme when the temperature/PH is too high or low
  4. Non-protein part of catalyst; binds to catalyst and carries chemical groups or electrons Ex.Vitamins and Minerals
  5. Enzymatic function where enzyme has the ability to "curve" to fit substrates
  6. Material that breaks down with the help of enzymes to speed up the process
  7. When heavy mental bond with enzymes and denatures them
  8. Part of enzyme that substrates fit into in order to break down
  9. The final result of the reaction between enzymes and substrates
Down
  1. Hormone that speeds up metabolism
  2. Portion of catalyst that forms the SHAPE for the catalyst's ability to speed up one type of reaction
  3. Fits in the active site but does't react with anything
  4. Many reactions will not begin unless some ATP is added to it to help start the reaction
  5. All the chemical reactions in the cell; burns sugar into energy
  6. Releases hormones that control metabolism and body growth
  7. Type of coenzyme that are obtained by diet their function is to help enzymes (Coenzymes)

16 Clues: Hormone that speeds up metabolism • Fits in the active site but does't react with anything • When heavy mental bond with enzymes and denatures them • Releases hormones that control metabolism and body growth • Part of enzyme that substrates fit into in order to break down • All the chemical reactions in the cell; burns sugar into energy • ...

Lesson 3.1 Key Terms: 2025-11-18

Lesson 3.1 Key Terms: crossword puzzle
Across
  1. carbon steel Steel with a carbon content of about 0.6% to 2.1%; it can be hardened and is used for things like cutting tools.
  2. property A characteristic of a material that can be observed or measured without changing its chemical composition (e.g., density, color, conductivity).
  3. property A characteristic that describes how a substance reacts chemically, such as corrosion resistance.
  4. Metals and alloys composed primarily of iron (Fe).
  5. Resistance of a metal to plastic deformation, usually by indentation, scratching, or abrasion.
  6. A nonferrous metal often used in alloys like brass (with copper) and as a protective coating for steel (galvanizing).
  7. A pure substance made up of only one kind of atom; cannot be separated into simpler parts by chemical means.
  8. reaction A process that involves the rearrangement of the atoms of a substance to form a new substance (e.g., rust formation).
  9. expansion The tendency of matter to change in volume in response to a change in temperature (coefficient of linear thermal expansion).
  10. The electrode in an electrical device through which conventional current flows inward (electrons flow outward).
  11. A mixture of metals not bonded chemically; often stronger or harder than pure metals.
  12. The ability of a metal to be drawn or stretched into a wire or thread without breaking.
  13. A very lightweight metal with low density; used in aluminum alloys.
  14. A measure of the amount of matter in an object.
  15. A heat treatment process to increase the hardness and strength of a metal, often making it more brittle.
  16. The measure of a material's ability to conduct electricity or heat.
  17. The amount of space an object occupies.
  18. A substance (like a salt, acid, or base dissolved in water) that conducts electricity through the movement of ions.
  19. A group of atoms bonded together, the smallest fundamental unit of a chemical compound.
  20. A measure of how much mass is packed into a given volume.
  21. strength The ability of a metal to resist being pulled apart or stretched without breaking.
  22. A material property where it fractures with little to no plastic deformation when subjected to stress, often making a snapping sound.
  23. The opposition a material offers to the flow of electric current or heat.
Down
  1. The electrode from which conventional current leaves an electrical device (electrons flow into it).
  2. reaction An electrochemical process where one metal corrodes preferentially when in electrical contact with a different metal and an electrolyte.
  3. The deterioration of a metal due to a chemical reaction with its environment, such as rusting.
  4. property Characteristics of a material that describe how it behaves under a load or applied force (e.g., strength, hardness, ductility).
  5. The ability of a material to deform under stress and return to its original shape when the stress is removed (elasticity).
  6. An alloy composed primarily of iron and a small amount of carbon.
  7. replacement reaction A type of chemical reaction in which one element replaces another in a compound; exploited in galvanic cells.
  8. A substance formed from two or more elements chemically bonded in fixed proportions.
  9. A chemical reaction involving the loss of electrons, often resulting in corrosion (e.g., the formation of rust or an aluminum oxide layer).
  10. A physical property where a material produces a field that attracts or repels other magnetic materials (iron is magnetic, aluminum is not).
  11. conductivity A measure of a material's potential to conduct heat.
  12. The basic unit of an element.
  13. An atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.
  14. A lightweight, corrosion-resistant, highly malleable, and excellent conductor of heat and electricity; a nonferrous metal.
  15. carbon steel Steel with a carbon content below 0.3% (e.g., AISI 1020); relatively soft and easy to work with.
  16. A heat treatment process that involves heating and slow cooling to increase ductility and reduce hardness, making a material more workable.
  17. A soft, reddish-brown, highly malleable and ductile metal; an excellent conductor of electricity and heat.
  18. bond A chemical bond formed by the sharing of electron pairs between atoms.
  19. A common, inexpensive ferrous metal (Fe) that is the primary component of steel.
  20. A unit of electrical potential difference or electromotive force; generated by a galvanic reaction in a battery.
  21. steel An alloy of iron, carbon, and chromium (which provides a protective oxide layer) that resists rust and corrosion.
  22. The ability of a metal to be shaped or bent by hammering or rolling without shattering or breaking.
  23. Metals and alloys that do not contain iron as their primary constituent; typically have superior corrosion resistance (e.g., copper, aluminum).
  24. A material typically characterized by high electrical and thermal conductivity, luster, malleability, and ductility.
  25. A heat treatment process applied to hardened steel to reduce its brittleness and increase its toughness (often done after quenching).

48 Clues: The basic unit of an element. • The amount of space an object occupies. • A measure of the amount of matter in an object. • Metals and alloys composed primarily of iron (Fe). • A measure of how much mass is packed into a given volume. • An alloy composed primarily of iron and a small amount of carbon. • ...

Photosynthesis and Cellular Respiration 2025-05-21

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. The "tubes" in a plant's roots that carry water up to the plant for (see number 1). Also where transpiration occurs.
  2. The process used by plants where they use sunlight, carbon dioxide, and water to make their own food. (Produces glucose and oxygen)
  3. The organelle where (see number 2) takes place.
  4. Cellular __________: the process where animals use glucose and oxygen, making ATP, carbon dioxide, and water.
  5. The parts of a chemical equation that are the end results of a chemical reaction.
Down
  1. The parts of a chemical equation that are the "ingredients" to a chemical reaction.
  2. The organelle where (see number 1) takes place.
  3. The disc-like structures in a (see number 4). These structures capture the sunlight needed for (see number 1).
  4. ______ energy that is converted to chemical energy during (see number 1).
  5. The "tubes" in a plant that carry and store glucose for the plant to carry out life processes.
  6. The microscopic holes in a plant's leaf where carbon dioxide enter and oxygen exit.

11 Clues: The organelle where (see number 1) takes place. • The organelle where (see number 2) takes place. • ______ energy that is converted to chemical energy during (see number 1). • The parts of a chemical equation that are the end results of a chemical reaction. • The parts of a chemical equation that are the "ingredients" to a chemical reaction. • ...

Unit 3 Biochem Intro Crossword 2024-09-30

Unit 3 Biochem Intro Crossword crossword puzzle
Across
  1. substance that lowers the activation energy needed
  2. elements can combine to form complex substances called
  3. element that all living have (organic)
  4. left side of the chemical equation
  5. minimum amount of energy needs for reactants to form products
  6. the reactant an enzyme binds to
  7. all of the chemical reactions in an organism
  8. special protein that speeds up a chemical reaction
  9. pure substance that cannot be broken down
Down
  1. building blocks of matter
  2. when temperature or pH change the shape of the active site so the enzyme can no longer work
  3. right side of the chemical equation
  4. force that holds elements together in a compound
  5. place where enzyme and substrate meet

14 Clues: building blocks of matter • the reactant an enzyme binds to • left side of the chemical equation • right side of the chemical equation • place where enzyme and substrate meet • element that all living have (organic) • pure substance that cannot be broken down • all of the chemical reactions in an organism • force that holds elements together in a compound • ...

Chemistry 2019-06-03

Chemistry crossword puzzle
Across
  1. smallest type of matter
  2. respresents a chemical reaction
  3. anything that takes up space and has mass
  4. ending substance
  5. respresents a chemical substance
Down
  1. starting substance
  2. electron in the highest energy level
  3. positively charged ion
  4. charged atom
  5. negatively charged ion

10 Clues: charged atom • ending substance • starting substance • positively charged ion • negatively charged ion • smallest type of matter • respresents a chemical reaction • respresents a chemical substance • electron in the highest energy level • anything that takes up space and has mass

Energy... 2018-01-23

Energy... crossword puzzle
Across
  1. Substance reaction
  2. Sliding motion
  3. Most used at home
  4. Rotor movement
  5. Linked with temperature
  6. Ready to be used
  7. When water boils
  8. Atom power
Down
  1. From earth attraction
  2. Linked with machines
  3. From subsoil
  4. Linked with movement notion
  5. Compressed air
  6. From the sky
  7. Water power
  8. Sailing boat power
  9. Transform mass into a force

17 Clues: Atom power • Water power • From subsoil • From the sky • Compressed air • Sliding motion • Rotor movement • Ready to be used • When water boils • Most used at home • Substance reaction • Sailing boat power • Linked with machines • From earth attraction • Linked with temperature • Linked with movement notion • Transform mass into a force

Chapter 8 Biology 2021-03-02

Chapter 8 Biology crossword puzzle
Across
  1. Any nonprotein molecule or ion that is required for the proper functioning of an enzyme.
  2. non protein molecule that activated the enzyme, can be viatmins or made from vitamines
  3. respiration, the process by which cells use oxygen to produce energy from food
  4. Alcohol made by converting starches and sugars from plant material into alcohol and CO2.
  5. bonds, the attractive force that holds atoms or ions together
  6. a substance that causes or hastens a chemical reaction; any agent that causes change
  7. proteins that act as biological catalysts
  8. energy, Energy needed to get a reaction started
  9. molecules, non-carbon based molecules
  10. strength, energy required to break a bond
  11. An organelle found in plant and algae cells where photosynthesis occurs
  12. long linear chains of polypeptides
Down
  1. Conversion of light energy from the sun into chemical energy.
  2. involved in the synthesis of organic molecules from carbon dioxide and water.
  3. Cycle, energy from ATP and NADPH is used to build sugars
  4. respiration, the process by which cells use oxygen to produce energy from food
  5. energy, energy available to do work
  6. acid, product of fermentation in many types of cells, including human muscle cells
  7. respiration, Respiration that does not require oxygen
  8. lesser amount of hydrogen ion concentration, higher pH
  9. A substance that cannot be broken down into simpler substances
  10. respiration, Respiration that requires oxygen
  11. molecules, molecules that contain carbon
  12. greater amount of hydrogen ion concentration, lower pH

24 Clues: long linear chains of polypeptides • energy, energy available to do work • molecules, non-carbon based molecules • molecules, molecules that contain carbon • proteins that act as biological catalysts • strength, energy required to break a bond • respiration, Respiration that requires oxygen • energy, Energy needed to get a reaction started • ...

S3 Chemistry - Unit 2 2021-06-17

S3 Chemistry - Unit 2 crossword puzzle
Across
  1. the type of fuels that biofuels are
  2. the process used to meet the demand for shorter chained, more useful hydrocarbons
  3. type of reaction involving burning
  4. the chemical used to test for starch
  5. what type of distillation separates crude oil into fractions
  6. type of combustion with a limited oxygen supply
  7. the process plants carry out to produce glucose and oxygen
  8. first member of the cycloalkanes
  9. a unsaturated family of hydrocarbons
Down
  1. a mixture of compounds with a similar boiling point
  2. a substance which is burned to release energy
  3. the production of carbon dioxide when burning fossil fuels has this effect on the global temperature
  4. the process where cells in the body use glucose to produce carbon dioxide and water
  5. type of reaction in which the temperature will increase
  6. type of compound made up of ONLY hydrogen and carbon
  7. the gas required for combustion to take place
  8. the type of resource coal, oil and gas are
  9. the chemical used to test for glucose
  10. a type of compound made up of only carbon, hydrogen and oxygen
  11. a family of compounds with the same general formula and similar chemical properties
  12. the process used to produce ethanol
  13. a type of fossil fuel made from the remains of dead plants
  14. a family of hydrocarbons with the general formula CnH2n+2

23 Clues: first member of the cycloalkanes • type of reaction involving burning • the type of fuels that biofuels are • the process used to produce ethanol • the chemical used to test for starch • a unsaturated family of hydrocarbons • the chemical used to test for glucose • the type of resource coal, oil and gas are • a substance which is burned to release energy • ...

chemistry unit crossword 2017-02-13

chemistry unit crossword crossword puzzle
Across
  1. Atomic particles found in the nucleus of an atom and carry a positive charge
  2. a group of atoms bonded together
  3. properties characteristic of no more than two electrons
  4. Atomic particles that move around the nucleus of an atom and carry a negative charge
  5. of Conservation of Mass mass in an isolated system is neither created or destroyed by chemical reaction or physical transformation.
  6. the number of protons in the nucleus of an atom
  7. He formulated the Periodic Law
  8. brittle,not malleable or ductile,poor conductors of heat and electricity
  9. (on the P.T.) the horizontal lines on the periodic table
  10. Gas any of the most gaseous elements like helium,neon,krypton
  11. the central and most important part of an object
Down
  1. are the ingredients produced AFTER the reaction takes place
  2. is a substance formed when two or more chemical elements are chemically bonded together.
  3. (on the P.T.) columns on the periodic table
  4. that is associated with an atom
  5. Atomic particles found in the nucleus of atoms and carry NO electrical charge
  6. an extremely small amount of a thing or quality
  7. the mass of an atom of a chemical element expressed in atomic mass units
  8. Shares characteristics of both nonmetals and metals
  9. atoms having the same number of protons
  10. solid,shiny, good conductors of heat and electricity, ductile, and malleable
  11. abbreviation or the element

22 Clues: abbreviation or the element • He formulated the Periodic Law • that is associated with an atom • a group of atoms bonded together • atoms having the same number of protons • (on the P.T.) columns on the periodic table • an extremely small amount of a thing or quality • the number of protons in the nucleus of an atom • the central and most important part of an object • ...

science crossword 2023-11-22

science crossword crossword puzzle
Across
  1. a number placed in front of an element symbol or chemical formula in an equation
  2. stored energy (two words)
  3. the amount of matter in an object
  4. occurs when one substance reacts to another
  5. the mass per unit volume of a substance
  6. a charachteristic of matter that can be observed (two words)
  7. could be hot or cold
  8. more energy is released when the products form than is required (two words)
  9. energy due to motion (two words)
  10. occurs when substances react with oxidizing agents changing it to a new substance
  11. the amount of force per unit area applied to an objects surface
  12. the amount of space an item takes up
  13. more energy is required to break the bonds of the reactants (two words)
Down
  1. the ability to burn
  2. matter with a composition that is always the same
  3. from a liquid to a gas
  4. two or more atoms that are held together by convalent bonds
  5. when atoms form new bonds (two words)
  6. a starting substance in a chemical reaction
  7. the energy released when atoms form bonds (three words)
  8. the result of the motion of all the particles heating the substance up (two words)
  9. a substance produced by a chemical reaction
  10. a substance containing one or more different elements chemically bonded together
  11. smallest thing in the universe
  12. consists of only one type of atom

25 Clues: the ability to burn • could be hot or cold • from a liquid to a gas • stored energy (two words) • smallest thing in the universe • energy due to motion (two words) • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • when atoms form new bonds (two words) • the mass per unit volume of a substance • ...

Soils Revision Crossword 2025-10-26

Soils Revision Crossword crossword puzzle
Across
  1. A chemical reaction occuring in the roots which requires oxygen
  2. Cultivation is preparing the soil to sow what?
  3. The result of heavy machinery and animals on wet soil
  4. Adding water to the soil
  5. Soils which warm slowly and do not drain well
  6. Removing excess water from the soil
  7. Plants need water from the soil so that this chemical reaction can occur
  8. A mixture of sand, silt and clay
  9. A type of irrigator
  10. The property to do with pH and nutrients
  11. The way the soil particles clump together
  12. Soil mineral with tiny particles
  13. The property to do with living things eg earthworms and organic matter
  14. Crumbly soil is said to be
  15. Showing care and respect to the soil and soil organisms
  16. Having 25% water and 25% air in the soil is known as field what?
Down
  1. N,P,K are examples of
  2. Soil mineral with large particles
  3. Fertiliser and lime can be applied using a what?
  4. Animal waste mixed with water and spread over fields
  5. Planting a new crop in the same space each season
  6. Plastic drainage pipes are called
  7. To bring the acidity of the soil down we add what?
  8. The way soil feels
  9. The property to do with temperature, aeration and drainage
  10. Soils which warm quickly and drain well
  11. The production system we're focussing on
  12. Looking after the soil for future generations

28 Clues: The way soil feels • A type of irrigator • N,P,K are examples of • Adding water to the soil • Crumbly soil is said to be • A mixture of sand, silt and clay • Soil mineral with tiny particles • Soil mineral with large particles • Plastic drainage pipes are called • Removing excess water from the soil • Soils which warm quickly and drain well • ...

FORMULAE, REACTIONS AND MASSES 2025-11-14

FORMULAE, REACTIONS AND MASSES crossword puzzle
Across
  1. Amount of substance containing Avogadro’s number of particles.
  2. The isotope used as the standard for atomic mass. (6,6)
  3. A negatively charged ion.
  4. Compound formed when magnesium reacts with oxygen. (9,5)
  5. The fixed numerical relationship of atoms in a compound (e.g., KI is 1:1).
  6. What non-metal atoms do with electrons when they form covalent bonds.
  7. Chemical formula for magnesium oxide.
  8. The number of electrons an atom uses to bond.
  9. Symbol Mr; mass of a molecule compared to ¹²C/12. (8,9,4)
  10. Calculating reacting amounts using balanced equations.
  11. What Group 7 non-metals do to electrons to form negative ions.
  12. A positively charged ion.
  13. Substances you start with in a chemical reaction.
Down
  1. A substance made from two or more elements chemically joined.
  2. Principle stating matter cannot be created or destroyed.
  3. Mr for ionic compounds with no molecules. (8,7,4)
  4. The name fluorine takes when it becomes an ion or forms a compound.
  5. Subatomic particle that differs between isotopes.
  6. What (aq) means; dissolved in water. (7,8)
  7. Relative molecular mass of water (H₂O).
  8. (s), (l), (g), (aq) in chemical equations. (5,7)
  9. Symbol Ar; weighted average mass of an element’s atoms. (8,6,4)
  10. Atoms of the same element with different numbers of neutrons.
  11. What Group 2 metals do to 2 of their electrons when bonding.
  12. Substances formed at the end of a reaction.

25 Clues: A negatively charged ion. • A positively charged ion. • Chemical formula for magnesium oxide. • Relative molecular mass of water (H₂O). • What (aq) means; dissolved in water. (7,8) • Substances formed at the end of a reaction. • The number of electrons an atom uses to bond. • (s), (l), (g), (aq) in chemical equations. (5,7) • ...

Chemical reactions 2018-05-23

Chemical reactions crossword puzzle
Across
  1. Methane is a compound of carbon and ____________.
  2. A change that transfers energy to the surroundings.
  3. _________fuels, Petrol, diesel and coal are examples.
  4. A change where the surroundings transfer energy to substances.
  5. Another word for burning.
  6. variable described by words or by numbers that can only have certain values.
  7. A material that burns to transfer energy by heating
Down
  1. In a chemical reaction the substances on the left hand side of the equation
  2. A reaction where you can get the reactants back.
  3. In these reactions a compound breaks down into simpler compounds or elements
  4. _______decomposition; In these reactions a substance breaks down on heating.
  5. In these reactions substances react with oxygen.
  6. These speed up or slow reactions.
  7. In chemical reactions the total mass of the reactants_________the total mass of the products.

14 Clues: Another word for burning. • These speed up or slow reactions. • A reaction where you can get the reactants back. • In these reactions substances react with oxygen. • Methane is a compound of carbon and ____________. • A change that transfers energy to the surroundings. • A material that burns to transfer energy by heating • ...

The Periodic Puzzle 2025-09-14

The Periodic Puzzle crossword puzzle
Across
  1. A polyatomic anion that contains 1 atom of Phosphorus and 4 atoms of Oxygen
  2. The chemical name for Gold
  3. (Energy of activation) The minimum energy needed for a reaction to occur
  4. A reddish-brown coating formed on iron due to oxidation
  5. The combining power of an element
  6. Change of state from solid directly to gas
  7. A insoluble solid formed in a solution
  8. Describes metals that make a ringing sound when struck
  9. A reaction that releases heat
  10. Atoms of the same element with different numbers of neutrons
Down
  1. A flask with a wide base and narrow neck used in the lab
  2. A positivly charged ion
  3. Positivly charged ions are attracted to this electrode during electrolysis
  4. Atoms of the same element with different numbers of neutrons
  5. A type of chemical equation that does not follow the 'Law of Conservation of Mass'

15 Clues: A positivly charged ion • The chemical name for Gold • A reaction that releases heat • The combining power of an element • A insoluble solid formed in a solution • Change of state from solid directly to gas • Describes metals that make a ringing sound when struck • A reddish-brown coating formed on iron due to oxidation • ...

Choice Board Science 2020-12-14

Choice Board Science crossword puzzle
Across
  1. reaction
  2. Two things mixed together and can be separated
  3. A kind of matter
Down
  1. solid, liquid,
  2. Two things that can't be separated
  3. has a chemical reaction with another substance
  4. A minute portion of matter

7 Clues: reaction • solid, liquid, • A kind of matter • A minute portion of matter • Two things that can't be separated • has a chemical reaction with another substance • Two things mixed together and can be separated

Communicable Diseases 2021-02-19

Communicable Diseases crossword puzzle
Across
  1. Immunodeficiency
  2. Caused by deer ticks
  3. Bacterial infections
  4. Reaction to tissue damage
  5. Neurodegenerative
  6. Physical barrier
  7. Viral infection
  8. Infections of the lungs
  9. Caused by birds
  10. Another airborne disease
Down
  1. Microorganism in dirty water
  2. Diseases of the lungs
  3. Fights off pathogens
  4. Caused by bacteria
  5. caused by mosquitos
  6. Becoming prominent
  7. Chemical barrier
  8. Caused by pigs

18 Clues: Caused by pigs • Viral infection • Caused by birds • Immunodeficiency • Physical barrier • Chemical barrier • Neurodegenerative • Caused by bacteria • Becoming prominent • caused by mosquitos • Fights off pathogens • Caused by deer ticks • Bacterial infections • Diseases of the lungs • Infections of the lungs • Another airborne disease • Reaction to tissue damage • Microorganism in dirty water

structure of matter 2018-05-19

structure of matter crossword puzzle
Across
  1. subatnces that are made by the chemical combination of two or more atoms in fixed proportions
  2. smallest particle of element or compound that can mormally exist independently
  3. two or more elements or componds are mixed together and there is no chemical reaction between them
  4. used to represent elments
  5. combining capacity of an elment or group
Down
  1. number of atoms presnt in a molecule of an element
  2. used to represnt compound
  3. substance that is only made up of one kind of atom that cannot be broken into simpler substances by chemical methods
  4. smallest particle of element taht can take part in a chemical reaction that may or may not exist independently

9 Clues: used to represnt compound • used to represent elments • combining capacity of an elment or group • number of atoms presnt in a molecule of an element • smallest particle of element or compound that can mormally exist independently • subatnces that are made by the chemical combination of two or more atoms in fixed proportions • ...

Biology S2 FINAL 2023-05-26

Biology S2 FINAL crossword puzzle
Across
  1. reactions capture the energy directly from the light and convert it into chemical energy
  2. the process by which microbes create sugars (food) using the energy released from chemical reactions.
  3. The overall process by which sunlight chemically converts water and carbon dioxide into chemical energy stored in glucose.
Down
  1. produced at the end of the reaction are known as the products.
  2. Pancake-like stacks of thylakoid membrane
  3. Fluid-like substance that fills the space between the grana
  4. The substances that go into a chemical reaction are called
  5. reactions are reactions that use the energy to produce sugars, such as glucose.
  6. the natural compound present in green plants that gives them their color.

9 Clues: Pancake-like stacks of thylakoid membrane • The substances that go into a chemical reaction are called • Fluid-like substance that fills the space between the grana • produced at the end of the reaction are known as the products. • the natural compound present in green plants that gives them their color. • ...

Unit 2 Vocabulary 2022-09-13

Unit 2 Vocabulary crossword puzzle
Across
  1. proteins that speed up chemical reactions
  2. best or most favorable
  3. reactant of an enzyme-catalyzed reaction
  4. molecules composed of many monomers; makes up macromolecules
  5. building blocks of protein
  6. a covalent bond formed between two amino acids
  7. process modifying the molecular structure of a protein
Down
  1. a simple compound whose molecules can join together to form polymers.
  2. energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen (CHO)
  3. the starches and sugars present in foods that get broken down to provide energy; contain carbon, hydrogen and oxygen (CHO)
  4. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  5. chains of amino acids that the body uses to build and maintain its cells and tissues; contains carbon, hydrogen, oxygen, and nitrogen (CHON)

12 Clues: best or most favorable • building blocks of protein • reactant of an enzyme-catalyzed reaction • proteins that speed up chemical reactions • a covalent bond formed between two amino acids • process modifying the molecular structure of a protein • molecules composed of many monomers; makes up macromolecules • ...

Chemistry and more! 2025-07-03

Chemistry and more! crossword puzzle
Across
  1. chemical compound with the chemical formula CH4
  2. a unit of measurement that denotes an amount of substance
  3. an ancient branch of natural philosophy, a philosophical and protoscientific tradition
  4. The rarest natural occurring element
  5. pure chemical substance composed of more than one element
  6. the scientific study of life and living organisms
Down
  1. a discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents.
  2. the smallest unit of matter
  3. said to have first made the atom theory
  4. process that leads to the chemical transformation of one set of chemical substances to another.
  5. a substance with a specific composition

11 Clues: the smallest unit of matter • The rarest natural occurring element • said to have first made the atom theory • a substance with a specific composition • chemical compound with the chemical formula CH4 • the scientific study of life and living organisms • a unit of measurement that denotes an amount of substance • ...

7.Allergy 2022-09-23

7.Allergy crossword puzzle
Across
  1. Substance that cause allergies
  2. reaction to the foreign substances
  3. Inflammatory chemical
  4. walls of bronchioles contract
  5. Produce allergic reactions
Down
  1. allergic to sunlight
  2. Red bumps or patches on the skin
  3. reaction to pollen
  4. systemic allergic response

9 Clues: reaction to pollen • allergic to sunlight • Inflammatory chemical • systemic allergic response • Produce allergic reactions • walls of bronchioles contract • Substance that cause allergies • Red bumps or patches on the skin • reaction to the foreign substances

Rocks 2023-11-28

Rocks crossword puzzle
Across
  1. Refers to the shape of sediment particles, specifically how rounded or angular they are, which can provide clues about the distance and intensity of their transportation.
  2. (as type of sedimentary rock): Sedimentary rock formed from the precipitation of minerals dissolved in water, often through processes like evaporation or chemical reactions.
  3. action: The mechanical weathering process where water seeps into cracks in rocks, freezes, expands, and causes the rock to break apart.
  4. A chemical reaction where a substance combines with oxygen, often leading to changes in the substance's properties or appearance.
  5. The chemical reaction of minerals with water, resulting in the breakdown of minerals and the formation of new substances.
  6. The chemical reaction of carbonate minerals with water containing carbon dioxide, resulting in the dissolution of minerals like limestone.
  7. Weathering: The breakdown of rocks into smaller pieces without altering their chemical composition, often caused by physical forces like temperature changes, ice formation, or pressure.
  8. The mechanical wearing away of rock surfaces by friction or impact during transportation by natural agents like water, wind, or ice.
  9. Weathering: The breakdown or alteration of rocks through chemical processes like dissolution, oxidation, or hydrolysis, changing the composition of the rocks.
  10. dome: A landform resulting from the weathering process, where curved layers of rock peel or flake off due to pressure release, often forming dome-like structures.
Down
  1. The separation of sediment particles by size, typically occurring during transportation by agents like water or wind, resulting in layers of sediments with similar particle sizes.
  2. The process in which sediments are squeezed and compacted by the weight of overlying materials, reducing pore space and solidifying sediment into rock.
  3. soil: Soil formed by the weathering of underlying bedrock in place, without being transported away.
  4. The process by which rocks and minerals are broken down or altered at or near the Earth's surface due to various physical, chemical, or biological processes.
  5. The process in which minerals precipitate in the pore spaces between sediment grains, binding them together to form a solid rock.
  6. soil: Soil that has been moved from its original location by natural agents like water, wind, or glaciers and deposited elsewhere.
  7. The movement of weathered materials (such as rocks, soil, and sediment) by natural agents like water, wind, ice, or gravity.
  8. (as type of sedimentary rock): Sedimentary rock composed of fragments of pre-existing rocks or minerals, called clasts, which are cemented together.
  9. sedimentary (as type of sedimentary rock): Sedimentary rock formed from the accumulation and lithification of organic materials, such as shells or plant debris.
  10. The process by which eroded materials are laid down or deposited in a new location by natural agents like water, wind, ice, or gravity.

20 Clues: soil: Soil formed by the weathering of underlying bedrock in place, without being transported away. • The chemical reaction of minerals with water, resulting in the breakdown of minerals and the formation of new substances. • The movement of weathered materials (such as rocks, soil, and sediment) by natural agents like water, wind, ice, or gravity. • ...

redox reaction 2023-11-15

redox reaction crossword puzzle
Across
  1. has the symbol Na
  2. a chemical reaction in which a substance reacts with oxygen - the reaction is exothermic
  3. The number of electrons gained or lost by an atom in a redox reaction
  4. a reaction involving both reduction and oxidation
  5. agent a substance that reduces another substance during a redox reaction and is itself oxidised during reaction
  6. a term used to describe oxidised organic material (food) - usually involving a bad smell
Down
  1. The opposite of oxidation
  2. If an element loses electrons in a reaction, is it oxidized or reduced?
  3. our chemistry teacher
  4. is a decrease in oxidation number of an atom or ion during reaction

10 Clues: has the symbol Na • our chemistry teacher • The opposite of oxidation • a reaction involving both reduction and oxidation • is a decrease in oxidation number of an atom or ion during reaction • The number of electrons gained or lost by an atom in a redox reaction • If an element loses electrons in a reaction, is it oxidized or reduced? • ...

Chemical Reactions and equations 2015-02-13

Chemical Reactions and equations crossword puzzle
Across
  1. ________ reaction is the opposite of combination reaction
  2. Addition of hydrogen or removal of oxygen is termed as _______ reaction.
  3. _________ reactions absorbs heat
Down
  1. A type of reaction where part of one reactant is replaced by another reactant to form a new compound
  2. The type of compound formed by combining an element with oxygen
  3. The chemical name of quick lime is _______ oxide.
  4. A chemical equation is balanced by changing or adding _____

7 Clues: _________ reactions absorbs heat • The chemical name of quick lime is _______ oxide. • ________ reaction is the opposite of combination reaction • A chemical equation is balanced by changing or adding _____ • The type of compound formed by combining an element with oxygen • Addition of hydrogen or removal of oxygen is termed as _______ reaction. • ...

unit 4 2021-04-04

unit 4 crossword puzzle
Across
  1. change
  2. f
  3. any thing that come from clouds
  4. hard as ice
  5. the process of turning gas to liquid
  6. involving or resulting from a reaction
  7. what you breathe
  8. air
  9. liquid
  10. f
  11. states of matter
  12. mixing
Down
  1. frozen water
  2. the process of turning liquid to gas
  3. water
  4. a headache
  5. bleeding
  6. on outside hurting
  7. answer
  8. gas,liquid, and solid

20 Clues: f • f • air • water • change • answer • liquid • mixing • bleeding • a headache • hard as ice • frozen water • what you breathe • states of matter • on outside hurting • gas,liquid, and solid • any thing that come from clouds • the process of turning liquid to gas • the process of turning gas to liquid • involving or resulting from a reaction

ARSON DEFINITIONS 2024-02-16

ARSON DEFINITIONS crossword puzzle
Across
  1. the ruins or rubble which results from the burningof materials.
  2. capable of burning with a flame.
  3. any substance that will burn, regardless of itsautoignition temperature, or whether it is a solid, liquid or
  4. change of a substance from the liquid phase to the gaseous or vapor phase
  5. chemical compound, metal, or mixture capableof producing intense heat.
  6. a process in which organic material is broken down into simpler molecular compounds by the effects of
Down
  1. rapid oxidation process, which is a chemical reaction resulting in the evolution of light and heat in varying
  2. breakable container filled with an ignitable liquid.
  3. readily evaporated into the vapor state.
  4. a symbol to describe the necessary requirements for fire to occur: fuel, heat, oxidizer, and anuninhibited chemical reaction
  5. alone; pyrolysis often precedes combustion.
  6. material that will maintain combustion under specified environmental conditions.

12 Clues: capable of burning with a flame. • readily evaporated into the vapor state. • alone; pyrolysis often precedes combustion. • breakable container filled with an ignitable liquid. • the ruins or rubble which results from the burningof materials. • chemical compound, metal, or mixture capableof producing intense heat. • ...

Alex's Science Quiz 2024-12-20

Alex's Science Quiz crossword puzzle
Across
  1. My pet and dinne-
  2. Something that only contains one atom
  3. It can contain more than 1 element.
  4. You need it for your bones.
  5. The sixth day of the week.
  6. The last word of the sixth clue.
  7. The colour if the PH is 1.
  8. Something I used to play with, they spin.
Down
  1. The chemical symbol for Sodium Chloride.
  2. The first word of chemical reaction.
  3. Two words, this product is created when hydrochloric acid and sodium hydroxide are mixed.
  4. The colour if the PH is 14
  5. You use it to dilute stuff.
  6. Not cartoons but something me and Mr Baptist like.
  7. The best class.

15 Clues: The best class. • My pet and dinne- • The colour if the PH is 14 • The sixth day of the week. • The colour if the PH is 1. • You need it for your bones. • You use it to dilute stuff. • The last word of the sixth clue. • It can contain more than 1 element. • The first word of chemical reaction. • Something that only contains one atom • The chemical symbol for Sodium Chloride. • ...

Science 2025-10-15

Science crossword puzzle
Across
  1. A substance or molecule that is formed in a chemical reaction.
  2. change: A change that occurs when one or more substances change entirely.
  3. reaction: Happens when two or more substances combine.
  4. conservation of mass: States that the mass of an object.
Down
  1. A substance or molecule that participates in a chemical reaction.
  2. A solid fromed by a change in a solution.
  3. equation: A representation of a chemical reaction.
  4. change:A change of matter from one form to another.

8 Clues: A solid fromed by a change in a solution. • equation: A representation of a chemical reaction. • change:A change of matter from one form to another. • reaction: Happens when two or more substances combine. • conservation of mass: States that the mass of an object. • A substance or molecule that is formed in a chemical reaction. • ...

Chemistry 2022-05-05

Chemistry crossword puzzle
Across
  1. Speeds up a chemical reaction.
  2. A group 7 metal that is most reactive.
  3. Group 7 elements include chlorine, bromine, and iodine.
  4. The speed at which the amount of reactants decreases or the amount of products increases.
  5. How electrons are arranged in shells in an atom.
  6. A symbol used in chemical equations to show if a substance is a solid, a liquid or a gas.
  7. Group 0 elements include helium, neon, argon, krypton, xenon and radon.
Down
  1. A chemical reaction in which a more reactive element replaces a less reactive one in its compound.
  2. When particles collide into each other.
  3. Its the minimum amount of energy needed for a successful collision to occur.
  4. In chemistry it can be used to refer to atoms, molecules, ions or subatomic particles, including protons, neutrons and electrons.
  5. Biological catalysts, usually consist of proteins.

12 Clues: Speeds up a chemical reaction. • A group 7 metal that is most reactive. • When particles collide into each other. • How electrons are arranged in shells in an atom. • Biological catalysts, usually consist of proteins. • Group 7 elements include chlorine, bromine, and iodine. • Group 0 elements include helium, neon, argon, krypton, xenon and radon. • ...

Proteins: A Macromolecule 2016-03-01

Proteins: A Macromolecule crossword puzzle
Across
  1. group that gives each amino acid different characteristics
  2. process of monomers joining together to form a polymer
  3. monomer of a protein
  4. syn. for building block
  5. movement
  6. protein that is found in hair and nails
Down
  1. digestive enzymes use this reaction to break down food
  2. H2O
  3. Carbon, hydrogen, oxygen, nitrogen
  4. polymer for bonded amino acids
  5. moves substances in and out of cells
  6. group that contains the nitrogen atom
  7. controls the rate of a chemical reaction
  8. number of amino acids

14 Clues: H2O • movement • monomer of a protein • number of amino acids • syn. for building block • polymer for bonded amino acids • Carbon, hydrogen, oxygen, nitrogen • moves substances in and out of cells • group that contains the nitrogen atom • protein that is found in hair and nails • controls the rate of a chemical reaction • digestive enzymes use this reaction to break down food • ...

Carbohydrates project Nolan 2023-10-12

Carbohydrates project Nolan crossword puzzle
Across
  1. reaction between sugars and acids
  2. texture enhancer, thickener
  3. Sugars The chemical breakdown of a disaccharide into its two separate monosaccharides
  4. Food storage of plants
  5. Consist of two sugar molecules chemically bonded together
  6. Cell wall of plants
  7. The only simple carbohydrate
  8. Agent Maillard Reaction
Down
  1. Consist of 3 or more sugar molecules chemically bonded together
  2. The basic unit of carbohydrates
  3. Mainly produced by photosynthesis
  4. Food storage of animals
  5. reduce crystallization during freezing
  6. replacement used in place of substances such as milk fat
  7. made of Carbon, Hydrogen, Oxygen

15 Clues: Cell wall of plants • Food storage of plants • Food storage of animals • texture enhancer, thickener • Agent Maillard Reaction • The only simple carbohydrate • The basic unit of carbohydrates • made of Carbon, Hydrogen, Oxygen • reaction between sugars and acids • Mainly produced by photosynthesis • reduce crystallization during freezing • ...

Carbohydrates project Nolan 2023-10-12

Carbohydrates project Nolan crossword puzzle
Across
  1. reaction between sugars and acids
  2. texture enhancer, thickener
  3. Sugars The chemical breakdown of a disaccharide into its two separate monosaccharides
  4. Food storage of plants
  5. Consist of two sugar molecules chemically bonded together
  6. Cell wall of plants
  7. The only simple carbohydrate
  8. Agent Maillard Reaction
Down
  1. Consist of 3 or more sugar molecules chemically bonded together
  2. The basic unit of carbohydrates
  3. Mainly produced by photosynthesis
  4. Food storage of animals
  5. reduce crystallization during freezing
  6. replacement used in place of substances such as milk fat
  7. made of Carbon, Hydrogen, Oxygen

15 Clues: Cell wall of plants • Food storage of plants • Food storage of animals • texture enhancer, thickener • Agent Maillard Reaction • The only simple carbohydrate • The basic unit of carbohydrates • made of Carbon, Hydrogen, Oxygen • reaction between sugars and acids • Mainly produced by photosynthesis • reduce crystallization during freezing • ...

Carbohydrates project Nolan 2023-10-12

Carbohydrates project Nolan crossword puzzle
Across
  1. reaction between sugars and acids
  2. texture enhancer, thickener
  3. Sugars The chemical breakdown of a disaccharide into its two separate monosaccharides
  4. Food storage of plants
  5. Consist of two sugar molecules chemically bonded together
  6. Cell wall of plants
  7. The only simple carbohydrate
  8. Agent Maillard Reaction
Down
  1. Consist of 3 or more sugar molecules chemically bonded together
  2. The basic unit of carbohydrates
  3. Mainly produced by photosynthesis
  4. Food storage of animals
  5. reduce crystallization during freezing
  6. replacement used in place of substances such as milk fat
  7. made of Carbon, Hydrogen, Oxygen

15 Clues: Cell wall of plants • Food storage of plants • Food storage of animals • texture enhancer, thickener • Agent Maillard Reaction • The only simple carbohydrate • The basic unit of carbohydrates • made of Carbon, Hydrogen, Oxygen • reaction between sugars and acids • Mainly produced by photosynthesis • reduce crystallization during freezing • ...

Carbohydrates project Nolan 2023-10-12

Carbohydrates project Nolan crossword puzzle
Across
  1. reaction between sugars and acids
  2. texture enhancer, thickener
  3. Sugars The chemical breakdown of a disaccharide into its two separate monosaccharides
  4. Food storage of plants
  5. Consist of two sugar molecules chemically bonded together
  6. Cell wall of plants
  7. The only simple carbohydrate
  8. Agent Maillard Reaction
Down
  1. Consist of 3 or more sugar molecules chemically bonded together
  2. The basic unit of carbohydrates
  3. Mainly produced by photosynthesis
  4. Food storage of animals
  5. reduce crystallization during freezing
  6. replacement used in place of substances such as milk fat
  7. made of Carbon, Hydrogen, Oxygen

15 Clues: Cell wall of plants • Food storage of plants • Food storage of animals • texture enhancer, thickener • Agent Maillard Reaction • The only simple carbohydrate • The basic unit of carbohydrates • made of Carbon, Hydrogen, Oxygen • reaction between sugars and acids • Mainly produced by photosynthesis • reduce crystallization during freezing • ...

Carbohydrates project Nolan 2023-10-12

Carbohydrates project Nolan crossword puzzle
Across
  1. reaction between sugars and acids
  2. texture enhancer, thickener
  3. Sugars The chemical breakdown of a disaccharide into its two separate monosaccharides
  4. Food storage of plants
  5. Consist of two sugar molecules chemically bonded together
  6. Cell wall of plants
  7. The only simple carbohydrate
  8. Agent Maillard Reaction
Down
  1. Consist of 3 or more sugar molecules chemically bonded together
  2. The basic unit of carbohydrates
  3. Mainly produced by photosynthesis
  4. Food storage of animals
  5. reduce crystallization during freezing
  6. replacement used in place of substances such as milk fat
  7. made of Carbon, Hydrogen, Oxygen

15 Clues: Cell wall of plants • Food storage of plants • Food storage of animals • texture enhancer, thickener • Agent Maillard Reaction • The only simple carbohydrate • The basic unit of carbohydrates • made of Carbon, Hydrogen, Oxygen • reaction between sugars and acids • Mainly produced by photosynthesis • reduce crystallization during freezing • ...

Can you survive Chemistry? 2025-05-15

Can you survive Chemistry? crossword puzzle
Across
  1. The change in heat content at constant pressure
  2. The amount of a substance present in a given volume of solution
  3. A system boundary in thermodynamics, distinguishing it from its surroundings
  4. Rate The rate at which a chemical reaction occurs
  5. A catalyst ____ the activation energy required for a reaction
  6. The substance that is dissolved by the solvent
  7. The substance that dissolves in another to form a solution
  8. Equilibrium The state of a system at equilibrium, where no net change occurs
  9. Chatelier’s Principle The principle that explains the shift in equilibrium when disturbed
  10. Free Energy The equation that determines if a process is spontaneous (ΔG = ΔH - TΔS)
Down
  1. A measure of disorder or randomness in a system
  2. Equilibrium A system where reactants and products are in dynamic balance
  3. The equilibrium constant expression includes concentrations of the products and reactants raised to their ____
  4. A reaction that absorbs heat from the surroundings
  5. A process where the forward and reverse reactions happen at equal rates
  6. A substance that increases the rate of a reaction without being consumed

16 Clues: The substance that is dissolved by the solvent • The change in heat content at constant pressure • A measure of disorder or randomness in a system • A reaction that absorbs heat from the surroundings • Rate The rate at which a chemical reaction occurs • The substance that dissolves in another to form a solution • ...