chemical reaction Crossword Puzzles

CHEMICAL REACTIONS AND EQUATIONS 2022-07-18

CHEMICAL REACTIONS AND EQUATIONS crossword puzzle
Across
  1. Oxidation of fats and oils.
  2. Insoluble solid formed due to exchange of ions.
  3. Process in which metals are eaten up gradually by the action of air, moisture or a chemical on their surface.
  4. Substances take part in chemical reaction.
  5. Hydrated Ferric Oxide
  6. Substance that is added to food containing fats and oils to prevent spoilage of food.
  7. Reaction in which an element displaces the other
  8. A type of decomposition reaction
Down
  1. Which gas is evolved at cathode during electrolysis of Water?
  2. Reaction that is used in black and white photography.
  3. Removal of hydrogen
  4. Calcium Hydroxide
  5. Dissolving sugar is an example of ___
  6. Respiration is an example of ____ reaction.
  7. Reaction in which oxidation and reduction takes place simultaneously.

15 Clues: Calcium Hydroxide • Removal of hydrogen • Hydrated Ferric Oxide • Oxidation of fats and oils. • A type of decomposition reaction • Dissolving sugar is an example of ___ • Substances take part in chemical reaction. • Respiration is an example of ____ reaction. • Insoluble solid formed due to exchange of ions. • Reaction in which an element displaces the other • ...

Unit 2 2024-10-08

Unit 2 crossword puzzle
Across
  1. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  2. nomenclature– classification system in which each species is assigned a two-part scientific name
  3. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  4. reaction- a reaction that releases energy (gives off heat)
  5. in classification, a group of closely related families
  6. reaction- process that changes, or transforms, one set of chemicals into another set of chemicals
  7. reactant of an enzyme-catalyzed reaction
  8. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  9. genera)- group of closely related species; the first part of the scientific name in binomial nomenclature
  10. largest and most inclusive group in classification
  11. a trait that an organism has that allows for it to survive and reproduce at a greater rate
  12. a complex cell that has a nucleus
  13. material that organisms inherit from their parents
  14. process of maintaining stable internal environment within a cell/organism
  15. phyla)- in classification, a group of closely related classes
  16. molecules composed of many monomers; makes up macromolecules
  17. acid- compound with an amino group on one end and a carboxyl group on the other end
  18. a larger, more inclusive taxonomic category than a kingdom
  19. signal to which an organism responds
  20. small chemical unit that makes up a polymer
  21. substance that speeds up the rate of a chemical reaction
Down
  1. a complex carbohydrate made up of many monosaccharides
  2. biological catalysts
  3. simple sugar molecule
  4. reproduction- reproduction in which a single parent produces offspring, identical to the parent and each other
  5. macromolecule made up of amino acids
  6. name– A name used by scientists, especially the taxonomic name of an organism that consists of the genus and specie
  7. reproduction- reproduction in which two parents produce unique offspring, different from the parents and each other
  8. a large organic molecule made up of many atoms (like proteins)
  9. reaction- a reaction that absorbs energy (absorbs heat)
  10. elements or compounds that enter into a chemical reaction
  11. acid- macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
  12. in classification, a group of similar genera
  13. name– refers to the colloquial name of a taxon or species. It is the name known to the general public or is based on any language
  14. energy- energy that is needed to get a reaction started
  15. in classification, a group of closely related orders
  16. all the chemical reactions within an organism that build or break down substances
  17. unicellular organism that lacks a nucleus
  18. substance formed as a result of a chemical reaction
  19. group of similar organisms that can breed and produce fertile offspring

40 Clues: biological catalysts • simple sugar molecule • a complex cell that has a nucleus • macromolecule made up of amino acids • signal to which an organism responds • reactant of an enzyme-catalyzed reaction • unicellular organism that lacks a nucleus • small chemical unit that makes up a polymer • in classification, a group of similar genera • ...

CH-1 PORTFOLIO ACTIVITY 2021-08-25

CH-1 PORTFOLIO ACTIVITY crossword puzzle
Across
  1. ADDITION OF HYDROGEN
  2. PROCESS OF EATING UP OF METALS IN THE PRESENCE OF AIR,MOISTURE
  3. SUBSTANCES PRODUCED AFTER A CHEMICAL REACTION IS COMPLETED
  4. LOSS OF ELECTRONS
  5. SILVER CHLORIDE UNDERGOES _________________ IN PRESENCE OF SUNLIGHT
  6. BROWN GAS EVOLVED ON HEATING OF COPPER NITRATE IS _______________
Down
  1. REACTION IN WHICH BOTH REDUCTION AND OXIDATION PROCESSES TAKES PLACE SIMULTANEOUSLY.
  2. OTHER NAME FOR DOUBLE DISPLACEMENT REACTION
  3. ______________CAN NEITHER BE CREATED NOR DESTROYED DURING A CHEMICAL REACTION.
  4. OXIDATION OF FATS AND OILS CONTAINING FOOD ITEMS.
  5. SUBSTANCES WHICH TAKE PART IN A CHEMICAL REACTION
  6. CLASS OF COMPOUNDS TO WHICH BHA AND BHT BELONGS

12 Clues: LOSS OF ELECTRONS • ADDITION OF HYDROGEN • OTHER NAME FOR DOUBLE DISPLACEMENT REACTION • CLASS OF COMPOUNDS TO WHICH BHA AND BHT BELONGS • OXIDATION OF FATS AND OILS CONTAINING FOOD ITEMS. • SUBSTANCES WHICH TAKE PART IN A CHEMICAL REACTION • SUBSTANCES PRODUCED AFTER A CHEMICAL REACTION IS COMPLETED • PROCESS OF EATING UP OF METALS IN THE PRESENCE OF AIR,MOISTURE • ...

Lauren Smith Science Chapter 13 Crossword 2019-03-06

Lauren Smith Science Chapter 13 Crossword crossword puzzle
Across
  1. A chemical reaction where the plus sign (+) is on the product side.
  2. An acid is a chemical that (blank) a hydrogen ion.
  3. When a reaction and its reverse act at the same rate.
  4. How quickly the concentration of reactants decreases and how quickly the concentration of products increases. (Hint: 2 words)
Down
  1. Type of chemical reaction where the plus sign (+) is on the reactant side.
  2. In a (blank) reaction there is a net absorption of energy.
  3. Another term for bond energy. (Amount of energy required to break bonds.)
  4. Oxides are created on the product side during this chemical reaction.
  5. In a (blank) reaction, there is a net release of energy.
  6. A substance that lowers the activation energy of a chemical reaction, so the reaction occurs faster.

10 Clues: An acid is a chemical that (blank) a hydrogen ion. • When a reaction and its reverse act at the same rate. • In a (blank) reaction, there is a net release of energy. • In a (blank) reaction there is a net absorption of energy. • A chemical reaction where the plus sign (+) is on the product side. • ...

Science 2023-12-05

Science crossword puzzle
Across
  1. Change in direction and speed
  2. H2O
  3. d/t=s
  4. Positive charge in nucleus
  5. Negative charge in rings
  6. F=ma
  7. two or more molecules producing a new product(s)
  8. number in front of a chemical equation
  9. Position vs time graph
  10. For every action, there's a reaction
  11. good conductor
  12. rows on periodic table
  13. one directions force is greater than the other
Down
  1. opposite in direction, equal in size
  2. f/m=a
  3. Numbers that come after a symbol or below
  4. columns on periodic table
  5. not moving
  6. At rest/in motion
  7. Neutral charge in nucleus

20 Clues: H2O • F=ma • f/m=a • d/t=s • not moving • good conductor • At rest/in motion • Position vs time graph • rows on periodic table • Negative charge in rings • columns on periodic table • Neutral charge in nucleus • Positive charge in nucleus • Change in direction and speed • opposite in direction, equal in size • For every action, there's a reaction • number in front of a chemical equation • ...

Unit 2 bio vocabulary 2023-10-05

Unit 2 bio vocabulary crossword puzzle
Across
  1. organism that lacks a nucleus
  2. of similar organisms that can breed and produce fertile offspring
  3. reproduction-reproduction in which a single parent produces offspring, identical to the parent and each other
  4. made up of amino acids
  5. (pl. genera)-- group of closely related species; the first part of the scientific name in binomial nomenclature
  6. in classification, a group of closely related orders
  7. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  8. a larger, more inclusive taxonomic category than a kingdom
  9. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  10. name– refers to the colloquial name of a taxon or species. It is the name known to the general public or is based on any language
  11. trait that an organism has that allows for it to survive and reproduce at a greater rate
  12. energy- energy that is needed to get a reaction started
  13. (pl. phyla)-- in classification, a group of closely related classes
  14. acid- macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
  15. acid- compound with an amino group on one end and a carboxyl group on the other end
  16. large organic molecule made up of many atoms (like proteins)
  17. molecules composed of many monomers; makes up macromolecules
  18. reaction- process that changes, or transforms, one set of chemicals into another set of chemicals
  19. nomenclature– classification system in which each species is assigned a two-part scientific name
  20. simple sugar molecule
Down
  1. formed as a result of a chemical reaction
  2. a complex carbohydrate made up of many monosaccharides
  3. material that organisms inherit from their parents
  4. of maintaining stable internal environment within a cell/organism
  5. substance that speeds up the rate of a chemical reaction
  6. reaction- a reaction that absorbs energy (absorbs heat)
  7. complex cell that has a nucleus
  8. in classification, a group of closely related families
  9. reactant of an enzyme-catalyzed reaction
  10. reaction- a reaction that releases energy (gives off heat)
  11. largest and most inclusive group in classification
  12. name– A name used by scientists, especially the taxonomic name of an organism that consists of the genus and specie
  13. to which an organism responds
  14. the chemical reactions within an organism that build or break down substances
  15. biological catalysts
  16. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  17. small chemical unit that makes up a polymer
  18. reproduction-reproduction in which two parents produce unique offspring, different from the parents and each other
  19. classification, a group of similar genera
  20. elements or compounds that enter into a chemical reaction

40 Clues: biological catalysts • simple sugar molecule • made up of amino acids • organism that lacks a nucleus • to which an organism responds • complex cell that has a nucleus • reactant of an enzyme-catalyzed reaction • formed as a result of a chemical reaction • classification, a group of similar genera • small chemical unit that makes up a polymer • ...

Energy and Chemical Changes 2025-01-29

Energy and Chemical Changes crossword puzzle
Across
  1. The movement of energy from one store to another, often seen in reactions.
  2. A diagram that shows the energy changes during a chemical reaction.
  3. A system that generates electricity using hydrogen and oxygen with only water as a by-product.
  4. The gradual destruction of metals by reacting with substances in the environment.
  5. The process of using electricity to break down a substance into its elements.
  6. The process that releases energy when new chemical bonds are formed.
  7. Devices that produce electricity through chemical reactions.
  8. A substance with a pH lower than 7 that releases hydrogen ions in solution.
  9. The idea that particles must collide with enough energy to react.
  10. A substance that changes colour depending on whether it is in an acid or alkali.
  11. The gain of electrons or the removal of oxygen from a substance.
  12. A reaction that releases heat into the surroundings.
  13. A burning reaction that releases energy, usually involving oxygen.
  14. A method to find out how much acid or alkali is needed for neutralisation.
  15. A solution that has a small amount of solute compared to the solvent.
  16. A starting substance in a chemical reaction.
  17. A reaction where a more reactive metal takes the place of a less reactive one in a compound.
  18. Naturally occurring rocks that contain enough metal to be extracted profitably.
  19. An acid that fully ionises in solution, like hydrochloric acid.
Down
  1. A numbered scale from 0 to 14 that shows how acidic or alkaline a solution is.
  2. A reaction that absorbs heat from the surroundings.
  3. The loss of electrons or the addition of oxygen to a substance.
  4. A reaction between an acid and a base that produces a salt and water.
  5. A reaction where reduction and oxidation happen at the same time.
  6. The minimum energy needed for particles to react when they collide.
  7. The amount of a substance in a given volume of solution.
  8. The process that absorbs energy when chemical bonds are split apart.
  9. A substance with a pH higher than 7 that releases hydroxide ions in solution.
  10. An acid that only partially ionises in solution, like ethanoic acid.
  11. A compound made when the hydrogen in an acid is replaced by a metal.
  12. The specific type of corrosion that happens to iron when exposed to water and oxygen.
  13. A list of metals arranged by how easily they react.
  14. The negative electrode where positive ions gain electrons.
  15. The liquid or solution that conducts electricity in electrolysis.
  16. A charged particle formed when an atom gains or loses electrons.
  17. A substance that speeds up a reaction without being used up.
  18. The positive electrode where negative ions lose electrons.
  19. The substances made when a chemical reaction takes place.
  20. The process of obtaining metals from their ores.

39 Clues: A starting substance in a chemical reaction. • The process of obtaining metals from their ores. • A reaction that absorbs heat from the surroundings. • A list of metals arranged by how easily they react. • A reaction that releases heat into the surroundings. • The amount of a substance in a given volume of solution. • ...

chemistry crossword 2015-12-02

chemistry crossword crossword puzzle
Across
  1. chemical combination of two or more elements in a specific ratio
  2. a material that electric change can move through easily
  3. change of state from a gas to a liquid
  4. element that has both metallic and non-metallic properties
  5. pure substance formed when at least one metal and one non-metal combine
  6. invisible negatively charged particle that orbits the nucleus of an atom
  7. a reaction that takes place when two or more substances react to form new substances
  8. atom that has become electrically charged because it has lost or gained electrons
  9. an experiment in which one or more products of a chemical reaction can escape
  10. group 2 elements in the periodic table
  11. group 17 elements in the periodic table;the most reactive non-metals
Down
  1. ability of a substance to conduct electricity or heat
  2. horizontal row of elements in the periodic table
  3. pure substance that cannot be broken down into other substances
  4. sum of the number of protons and neutrons in an atom
  5. results when two or more substances react to create a different substance or substances, the new substances have completely different properties from the original ones
  6. change of state from a gas to a solid
  7. results when two or more substance react to create a different substance or substances
  8. description of how a substance interacts with other substances
  9. amount of protons in the nucleus of one atom of an element
  10. principle that matter is not created or destroyed in a chemical reaction
  11. description of a substance that can be pounded or rolled into sheets
  12. an experiment in which all reactants and all products of a chemical reaction are accounted for
  13. dull brittle element that does not conduct electrons
  14. mass of one atom of an element calculated from the total number of protons
  15. group 1 elements in the periodic table
  16. the smallest part of an element that is representative of that element
  17. group 18 in the periodic table the most stable and nonreactive elements

28 Clues: change of state from a gas to a solid • change of state from a gas to a liquid • group 2 elements in the periodic table • group 1 elements in the periodic table • horizontal row of elements in the periodic table • sum of the number of protons and neutrons in an atom • dull brittle element that does not conduct electrons • ...

Lessons 2.3 & 2.4 Vocabulary 2014-11-18

Lessons 2.3 & 2.4 Vocabulary crossword puzzle
Across
  1. element or compound produced by a chemical reaction
  2. process that changes, or transforms, one set of chemicals into another set of chemicals (2 words)
  3. element or compound that enter into a chemical reaction
  4. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  5. small chemical unit that makes up a polymer
  6. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
Down
  1. reactant of an enzyme-catalyzed reaction
  2. molecule composed of many monomers; makes up macromolecules
  3. substance that speeds up the rate of a chemical reaction
  4. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
  5. simple sugar molecule
  6. macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus (2 words)
  7. energy that is needed to get a reaction started (2 words)
  8. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  9. protein catalyst that speeds up the rate of specific biological reactions
  10. compound with an amino group on one end and a carboxyl group on the other end (2 words)

16 Clues: simple sugar molecule • reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • element or compound produced by a chemical reaction • element or compound that enter into a chemical reaction • substance that speeds up the rate of a chemical reaction • energy that is needed to get a reaction started (2 words) • ...

Photosynthesis 2021-10-11

Photosynthesis crossword puzzle
Across
  1. organelle where photosynthesis takes place
  2. arrow points away from this in chemical reaction
  3. tube in plant where glucose flows throughout plant
  4. openings in leaf to allow transfer of gases
  5. tube in plant where water flows upward into leaves
  6. energy needed for photosynthesis reaction
  7. C6H12O2-product of photosynthesis (food)
Down
  1. arrow points toward this in chemical reaction
  2. pigment that absorbs light
  3. surround stoma allowing opening and closing
  4. absorb water needed for photosynthesis
  5. reaction that provides food for plants
  6. CO2-reactant for photosynthesis(gas)
  7. H2O- reactant for photosynthesis(liquid)
  8. O2-product of photosynthesis (gas)
  9. organ where photosynthesis takes place

16 Clues: pigment that absorbs light • O2-product of photosynthesis (gas) • CO2-reactant for photosynthesis(gas) • absorb water needed for photosynthesis • reaction that provides food for plants • organ where photosynthesis takes place • H2O- reactant for photosynthesis(liquid) • C6H12O2-product of photosynthesis (food) • energy needed for photosynthesis reaction • ...

Unit 5 2013-04-18

Unit 5 crossword puzzle
Across
  1. a scale for comparing the relative amounts of hydroxide and hydronium ions in a solution
  2. the substances on the right side of the chemical equation that are formed in a chemical reaction
  3. a solution in which the number of hydronium ions exceed the number of hydroxide ions
  4. a solution in which the number of hydroxide ions exceed the number of hydronium ions
  5. process in which 1 or more substances change to produce 1 or more different substances
  6. attractive force that holds molecules of a single substance together
  7. chemical substances that reduce the amount of activation energy needed
  8. substance in which the solute is dissolved
Down
  1. structures that carry out specialized jobs within an organ system
  2. simplest particle of an element that retains all of the properties of that element
  3. attractive forces that hold atoms together
  4. an uneven distribution of charge
  5. attraction between molecules resulting in the rise of surface of a liquid when in contact with a solid
  6. attractive force between particles of different substances
  7. tiny structures within the cell that carry out functions necessary for cell viability
  8. attractive force formed when atoms share one or more pairs of electrons
  9. the substances on the left side of the chemical equation that begin a chemical reaction
  10. substance in which the solute is dissolved
  11. substance dissolved in the solvent
  12. groups of cells with similar abilities that allow the organ to function

20 Clues: an uneven distribution of charge • substance dissolved in the solvent • attractive forces that hold atoms together • substance in which the solute is dissolved • substance in which the solute is dissolved • attractive force between particles of different substances • structures that carry out specialized jobs within an organ system • ...

Unit 1&2 Review 2024-09-27

Unit 1&2 Review crossword puzzle
Across
  1. A substance formed when two or more elements are chemically bonded together.
  2. A push or pull exerted on an object.
  3. Change A change in which no new substances are formed.
  4. Energy Energy of motion.
  5. A force that opposes the motion of objects that are in contact.
  6. Energy Energy stored in the bonds of chemical compounds.
  7. The distance between two consecutive crests or troughs in a wave.
  8. The height of a wave from its resting position to its crest.
  9. A homogeneous mixture where one substance is dissolved in another.
Down
  1. Substances that are produced in a chemical reaction.
  2. Substances that participate in a chemical reaction.
  3. A force that pulls objects toward each other, especially toward the center of the Earth.
  4. Energy Stored energy due to an object’s position or state.
  5. A combination of two or more substances that are not chemically bonded.
  6. A pure substance that cannot be broken down by chemical means.
  7. of Mass A principle stating that mass cannot be created or destroyed in a chemical reaction.
  8. Change A process where one or more substances are altered into new substances with different properties.
  9. The application of a force that moves an object in the direction of the force.
  10. The ability of a substance to dissolve in a solvent.
  11. The number of waves that pass a point in a given amount of time.

20 Clues: Energy Energy of motion. • A push or pull exerted on an object. • Substances that participate in a chemical reaction. • Substances that are produced in a chemical reaction. • The ability of a substance to dissolve in a solvent. • The height of a wave from its resting position to its crest. • Change A change in which no new substances are formed. • ...

supplemental/enrichment Chemistry 2020-04-15

supplemental/enrichment Chemistry crossword puzzle
Across
  1. formulas on the right side of the arrow in a reaction
  2. an expression representing a chemical reaction
  3. reaction when a fuel burns to form carbon dioxide in water
  4. a chemical formula for an ionic compound
  5. an aqueous reaction in which a solid precipitate forms
  6. two elements form a compound
Down
  1. formulas on the left side of the arrow in a reaction
  2. chemical formula for a molecular compound
  3. a compound and an element switch to a different element and compound
  4. Shows the elements and their ratio for compounds
  5. reaction a compound breaks into elements

11 Clues: two elements form a compound • a chemical formula for an ionic compound • chemical formula for a molecular compound • reaction a compound breaks into elements • an expression representing a chemical reaction • Shows the elements and their ratio for compounds • formulas on the left side of the arrow in a reaction • formulas on the right side of the arrow in a reaction • ...

Crossword 2025-05-09

Crossword crossword puzzle
Across
  1. something that cannot be created or destroyed
  2. this happens during a chemical reaction
  3. when the equation is not equal
  4. it makes up everything
  5. what is made after a chemical reaction
Down
  1. that comes after the reaction
  2. when the equation is equal
  3. the math part of it
  4. what comes before the reaction
  5. can make new substances

10 Clues: the math part of it • it makes up everything • can make new substances • when the equation is equal • that comes after the reaction • what comes before the reaction • when the equation is not equal • what is made after a chemical reaction • this happens during a chemical reaction • something that cannot be created or destroyed

Unit 4 vocabulary 2023-11-08

Unit 4 vocabulary crossword puzzle
Across
  1. possible of Hydrogen that range from 1-14 and are classified as 1-6(acids)and 8-14(Bases)
  2. Substance that reacts with oxygen gases, releasing energy in a form of light and heat
  3. A substance that can neutralize an acid by reacting with hydrogen ions
  4. Chemical reaction where two or more simple elements are combined
  5. Formula giving the number of atoms of each of the elements present in one molecule of a specific compound
  6. When an acid and base react to form water and salt
  7. Chemical compound is the simplest whole number ratio of atoms present in a compound.
  8. When parts of two ionic compounds are exchanged,making two new compounds
Down
  1. Substance that enter into and is altered in a chemical reaction
  2. A reaction where a compund breaks down into simpler substances
  3. Mass per unit mole of a substance
  4. Elements percentage of elements in a compound
  5. One element that is substituted for another element in a compound
  6. New material that is formed in a chemical reaction
  7. Substance produced by the reaction of an acid with a base
  8. Molecules that have only have two atoms, that are the same or different
  9. Any hydrogen-containing substance that is cable of donating a Hydrogen ion to another substance

17 Clues: Mass per unit mole of a substance • Elements percentage of elements in a compound • New material that is formed in a chemical reaction • When an acid and base react to form water and salt • Substance produced by the reaction of an acid with a base • A reaction where a compund breaks down into simpler substances • ...

Chem Vocab 2024-12-06

Chem Vocab crossword puzzle
Across
  1. Elemet An element that needs 2 of the same molecules to make an atom
  2. Replacement Reaction where one element replaces another in a compound and they switch.
  3. Number placed in front of a chemical formula. (it can help balance a chemical equation)
  4. Replacement Reaction where parts of two compounds swap places to form two new compounds.
  5. Combination) Type of reaction where two or more substances combine to form one product
  6. The Substance on the right side of an equation that was formed from a chemical reaction
Down
  1. A Substance made of two or more elements chemically bonded together.
  2. Reaction where a compound breaks down into two or more simpler substances
  3. The Substance on the left side of an equation that will form into something new
  4. A bond formed when two atoms share electrons.
  5. A postive or negatively charged atom formed when an atom gains or loses electrons.
  6. Reaction involving oxygen that produces heat and light, it also forms water and carbon dioxide.
  7. Small number written below a chemical symbol
  8. A bond when an electron is tranffered from one atom to another

14 Clues: Small number written below a chemical symbol • A bond formed when two atoms share electrons. • A bond when an electron is tranffered from one atom to another • A Substance made of two or more elements chemically bonded together. • Elemet An element that needs 2 of the same molecules to make an atom • ...

Matter and Energy in Organisms and Ecosystems 2025-11-02

Matter and Energy in Organisms and Ecosystems crossword puzzle
Across
  1. reaction Reaction that breaks molecules apart
  2. Element that is the base of all life
  3. Third stage of cellular respiration
  4. All living and nonliving things in an environment
  5. Shows one path of energy flow
  6. Organism that eats other organisms for energy
  7. First stage of cellular respiration
  8. Two species living closely together
  9. Process that breaks down food for energy
  10. Substances that start a chemical reaction
  11. Simple sugar used by cells for energy
  12. Long chain of sugar molecules
  13. Type of anaerobic respiration in muscles
  14. Respiration that does not require oxygen
  15. Organism that eats other organisms
  16. Shows many connected paths of energy flow
Down
  1. reaction Reaction that builds larger molecules
  2. Organism that makes its own food
  3. Organism that breaks down dead material
  4. Second stage of cellular respiration
  5. Process that turns sunlight into food
  6. Pigment that captures light energy for photosynthesis
  7. Two sugar molecules linked together
  8. Type of anaerobic respiration that produces alcohol
  9. Each step in a food chain
  10. Both species benefit in a relationship
  11. A chemical reaction that occurs in living things
  12. Molecules that provide energy for organisms
  13. A single sugar molecule
  14. Substances formed after a chemical reaction
  15. When two organisms need the same resource
  16. Organelle where most ATP is made
  17. Cycle that converts carbon dioxide into glucose
  18. Organism that makes its own food
  19. Organelle where photosynthesis happens
  20. Respiration that requires oxygen
  21. Molecule that stores and releases energy in cells
  22. One species benefits and the other is harmed
  23. Molecule that carries electrons in photosynthesis
  24. Substance made of two or more elements

40 Clues: A single sugar molecule • Each step in a food chain • Shows one path of energy flow • Long chain of sugar molecules • Organism that makes its own food • Organelle where most ATP is made • Organism that makes its own food • Respiration that requires oxygen • Organism that eats other organisms • Two sugar molecules linked together • Third stage of cellular respiration • ...

Chemistry II Module 19 Test 2025-03-25

Chemistry II Module 19 Test crossword puzzle
Across
  1. Two parts of an electrochemical cell where separate oxidation and reduction reactions take place
  2. ___ batteries deliver current until the reactants are gone and cannot be recharged
  3. ___ batteries depend on reversible redox reactions and can be recharged
  4. Voltaic cell in which the oxidation of a fuels is used to produce electric energy
  5. Pathway to allow passage of ions from one side to another
  6. ___ batteries are used in small electronics to maintain data even when the device is powered off
  7. Apparatus that uses a redox reaction to produce electrical energy or uses electrical energy to cause a chemical reaction
  8. Use of electrical energy to bring about a chemical reaction
  9. Electrochemical cell in which the electrolyte is a moist paste
  10. Loss of a metal resulting from a redox reaction
Down
  1. Tendency of a substance to gain electrons
  2. Process in which iron is coated with a layer of zinc to prevent corrosion
  3. Electrode where oxidation takes place
  4. Electrochemical cell that converts chemical energy to electrical energy by spontaneous redox reaction
  5. Process in which a redox reaction and a voltage source are used to deposit a uniform coating as a protective or decorative layer
  6. Electrode where reduction takes place
  7. ___ batteries are used in traditional automobiles
  8. One or more voltaic cells in a single package that generates electric current

18 Clues: Electrode where oxidation takes place • Electrode where reduction takes place • Tendency of a substance to gain electrons • Loss of a metal resulting from a redox reaction • ___ batteries are used in traditional automobiles • Pathway to allow passage of ions from one side to another • Use of electrical energy to bring about a chemical reaction • ...

Vocab for DISN 2025-12-18

Vocab for DISN crossword puzzle
Across
  1. what is left after a chemical reaction
  2. organelle that contains chlorophyll
  3. a reaction that changes after sunlight
  4. distributes water through plants
  5. carries glucose through the plant
  6. lets gasses out of the leaves
Down
  1. alters a substances form
  2. makes plants food with chemical reaction
  3. Pigment that absorbs the suns energy
  4. chemicals put together that make something

10 Clues: alters a substances form • lets gasses out of the leaves • distributes water through plants • carries glucose through the plant • organelle that contains chlorophyll • Pigment that absorbs the suns energy • what is left after a chemical reaction • a reaction that changes after sunlight • makes plants food with chemical reaction • chemicals put together that make something

Moles & Stuff 2023-05-15

Moles & Stuff crossword puzzle
Across
  1. What is on the right side of a chemical reaction
  2. Total of the atomic masses of all atoms that are present in a given compound
  3. Has an atomic mass of 58.7 grams
  4. AB -> A + B, One of five different chemical reactions
  5. A reaction with the products CO2 and H2O
  6. Has an atomic mass of 12 grams
Down
  1. What is on the left side of a chemical reaction
  2. Has an atomic mass of 180.9 grams
  3. What you do when you are adding coefficients to get the same # of atoms on each side of the reaction
  4. one of the basic substances that are made of atoms of only one kind and that cannot be separated by ordinary chemical means into simpler substances
  5. 6.022 x 10^23 atoms/molecules/particles
  6. The number in front of a compound in a reaction that tells you the # of molecules
  7. Consists of one or more atoms
  8. In Greek, stands for "element measuring"
  9. The number in a compound formula that tells you how many atoms of each element there are

15 Clues: Consists of one or more atoms • Has an atomic mass of 12 grams • Has an atomic mass of 58.7 grams • Has an atomic mass of 180.9 grams • 6.022 x 10^23 atoms/molecules/particles • In Greek, stands for "element measuring" • A reaction with the products CO2 and H2O • What is on the left side of a chemical reaction • What is on the right side of a chemical reaction • ...

CHEMICAL REACTIONS AND EQUATIONS 2021-08-27

CHEMICAL REACTIONS AND EQUATIONS crossword puzzle
Across
  1. ADDITION OF HYDROGEN
  2. PROCESS OF EATING UP OF METALS IN THE PRESENCE OF AIR,MOISTURE
  3. SUBSTANCES PRODUCED AFTER A CHEMICAL REACTION IS COMPLETED
  4. LOSS OF ELECTRONS
  5. SILVER CHLORIDE UNDERGOES _________________ IN PRESENCE OF SUNLIGHT
  6. BROWN GAS EVOLVED ON HEATING OF COPPER NITRATE IS _______________
Down
  1. REACTION IN WHICH BOTH REDUCTION AND OXIDATION PROCESSES TAKES PLACE SIMULTANEOUSLY.
  2. OTHER NAME FOR DOUBLE DISPLACEMENT REACTION
  3. ______________CAN NEITHER BE CREATED NOR DESTROYED DURING A CHEMICAL REACTION.
  4. OXIDATION OF FATS AND OILS CONTAINING FOOD ITEMS.
  5. SUBSTANCES WHICH TAKE PART IN A CHEMICAL REACTION
  6. CLASS OF COMPOUNDS TO WHICH BHA AND BHT BELONGS

12 Clues: LOSS OF ELECTRONS • ADDITION OF HYDROGEN • OTHER NAME FOR DOUBLE DISPLACEMENT REACTION • CLASS OF COMPOUNDS TO WHICH BHA AND BHT BELONGS • OXIDATION OF FATS AND OILS CONTAINING FOOD ITEMS. • SUBSTANCES WHICH TAKE PART IN A CHEMICAL REACTION • SUBSTANCES PRODUCED AFTER A CHEMICAL REACTION IS COMPLETED • PROCESS OF EATING UP OF METALS IN THE PRESENCE OF AIR,MOISTURE • ...

Unit 5: Atoms, Elements, & Compounds: You Matter 2024-03-28

Unit 5: Atoms, Elements, & Compounds: You Matter crossword puzzle
Across
  1. _____ change: a change that does not change the chemical composition of a substance
  2. the smallest particle of an element that has the properties of the element and can exist either alone or in combination
  3. atomic particle with no charge (neutral) that is part of an atom’s nucleus
  4. chemical ______: a shorthand way to write the name of an element
  5. ________ properties: characteristic of a substance that can only be observed during a reaction
  6. the number of atoms for a particular element represented by a small number to the right of the element’s symbol
  7. chemical ____. model of chemical changes illustrating how elements become rearranged in a chemical reaction
  8. substance in which all the atoms in a sample are alike
  9. physical _______: characteristic that can be observed or measured without changing the composition of matter.
Down
  1. atomic particle with a positive charge that is part of an atom’s nucleus
  2. a particle smaller than an atom
  3. _____ structure: number & arrangement of protons, neutrons, & electrons in an atom
  4. chemical _________ : a change in which one or more substances are converted into different substances
  5. the substance of the universe: something that occupies space and has mass
  6. the positively charged center of an atom that contains protons and neutrons
  7. _____ change: when substances combine to form a new substance
  8. substance made of the combined atoms of two or more elements
  9. chemical ______: shorthand way to represent compounds
  10. negatively charged particle that move around the nucleus of an atom

19 Clues: a particle smaller than an atom • chemical ______: shorthand way to represent compounds • substance in which all the atoms in a sample are alike • substance made of the combined atoms of two or more elements • _____ change: when substances combine to form a new substance • chemical ______: a shorthand way to write the name of an element • ...

Changes in Energy and Matter 2025-08-28

Changes in Energy and Matter crossword puzzle
Across
  1. A feature or characteristic of a substance
  2. Material that slows heat transfer
  3. A force that slows motion when surfaces rub together
  4. Starting substances in a chemical reaction
  5. Heat transfer by moving fluids like air or water
  6. The unit used to measure energy
  7. Anything that has mass and takes up space
  8. Energy that allows us to see and plants to photosynthesise
  9. Energy of movement
  10. System that exchanges neither energy nor matter
  11. ____ energy is the movement of particles in a substance
  12. Process plants use to make food from sunlight
  13. Moving energy from one place or object to another
  14. Reaction where a substance gains oxygen
  15. Stored energy in stretched or compressed objects
  16. Energy stored in bonds of substances like food and fuel.
  17. A change in position over time
  18. The ability to do work or cause change
  19. Slow destruction of metals (e.g. rusting)
  20. Reaction between acid and base to form water and salt
  21. Energy carried by moving charges
  22. Chemical ____ make new substances
  23. Change of state or appearance - no new substance made
  24. Reaction that absorbs heat
  25. ____ of energy states that energy cannot be created
  26. Energy carried by vibrations in air or other matter
  27. Physical change from solid to liquid
  28. System that exchanges energy but not matter
Down
  1. Solid formed from a solution during a reaction
  2. Change that cannot easily go back
  3. Material that lets heat flow easily
  4. Two or more atoms bound together
  5. Reaction where one substance breaks down into simpler ones
  6. Stored energy due to position above Earth
  7. Energy stored in the nucleus of an atom
  8. Cellular ________ releases energy from glucose
  9. Chemical reaction that produces heat and light (burning)
  10. Stored energy
  11. Tool to measure temperature
  12. Reaction that releases heat
  13. Energy that flows from a hot object to a cold one
  14. When two objects reach the same temperature
  15. Heat transfer through space by waves
  16. Changing energy from one form to another
  17. Pure substance made of only one type of atom
  18. Substances formed in a chemical reaction
  19. Transfer of heat through direct contact
  20. The measurement of how fast a substance's particles are vibrating
  21. Rain or snow or hail falling from clouds.
  22. The smallest particle of an element
  23. Substance made of two or more elements bonded together
  24. System that exchanges energy and matter with surroundings

52 Clues: Stored energy • Energy of movement • Reaction that absorbs heat • Tool to measure temperature • Reaction that releases heat • A change in position over time • The unit used to measure energy • Two or more atoms bound together • Energy carried by moving charges • Material that slows heat transfer • Change that cannot easily go back • Chemical ____ make new substances • ...

Rates Of Reaction Crossword 2022-05-09

Rates Of Reaction Crossword crossword puzzle
Across
  1. What is on the right side of the word equation for a chemical reaction?
  2. The base unit of time.
  3. What is on the left side of the word equation for a chemical reaction?
  4. The rate at which reactants are converted into products.
  5. A factor affecting the rate of reaction involving the amount of thermal energy in the particles.
  6. The base unit of volume.
Down
  1. A factor affecting the rate of reaction involving the space molecules have to move around.
  2. The unit that measures the amount of a substance.
  3. A factor affecting the rate of reaction involving the amount of surfaces for reactions to occur on.
  4. A factor affecting the rate of reaction involving the amount of solute and the volume of solvent.
  5. A glass tube used to measure the amount of volume produced by a chemical reaction.
  6. A factor affecting the rate of reaction involving an extra substance that speeds up the reaction.
  7. The base unit of mass.

13 Clues: The base unit of time. • The base unit of mass. • The base unit of volume. • The unit that measures the amount of a substance. • The rate at which reactants are converted into products. • What is on the left side of the word equation for a chemical reaction? • What is on the right side of the word equation for a chemical reaction? • ...

Thermochemistry Crossword! 2014-04-11

Thermochemistry Crossword! crossword puzzle
Across
  1. It is the ratio of force to the area over which that force is distributed
  2. A law that states the energy change in overall chemical reaction
  3. The system that absorbs energy from it's surroundings
  4. The quantity of a product that is obtained from a chemical reaction
  5. The reaction that releases energy from the system
  6. The symbol that represents enthalpy "Something H"
Down
  1. A substance that is consumed in a chemical reaction
  2. A unit to express amounts in a chemical substance
  3. When a substance changes at a constant pressure THIS tells how much heat was added or removed to the substance
  4. First known use started in 1844
  5. These are formed during a chemical reaction as reagents are consumed

11 Clues: First known use started in 1844 • A unit to express amounts in a chemical substance • The reaction that releases energy from the system • The symbol that represents enthalpy "Something H" • A substance that is consumed in a chemical reaction • The system that absorbs energy from it's surroundings • A law that states the energy change in overall chemical reaction • ...

Colton Ch. 13 crossword 2021-11-22

Colton Ch. 13 crossword crossword puzzle
Across
  1. chemical that donates a hydrogen ion
  2. there is a net absorption of energy
  3. on the left side during a chemical reaction
  4. there is a net release of energy
Down
  1. no atoms are gained or lost during any reaction
  2. also known as activation energy
  3. on the right side during a chemical reaction
  4. ionize completely in water
  5. a substance that lowers the activation energy of a chemical reaction.
  6. chemical that accepts a hydrogen ion

10 Clues: ionize completely in water • also known as activation energy • there is a net release of energy • there is a net absorption of energy • chemical that donates a hydrogen ion • chemical that accepts a hydrogen ion • on the left side during a chemical reaction • on the right side during a chemical reaction • no atoms are gained or lost during any reaction • ...

Unit 9 (kinetics and equilibrium) Review 2023-05-11

Unit 9 (kinetics and equilibrium) Review crossword puzzle
Across
  1. For a reversible chemical reaction to be considered in equilibrium, the rates must be
  2. For a reversible chemical reaction to be considered in equilibrium, the concentrations must be
  3. (Potential energy of the reactants) - (potential energy of the products)
  4. The measurement of disorder
  5. In an endothermic reaction do the products or the reactants have more energy?
  6. The addition of a ___________ will lower the activation energy
Down
  1. A (-∆H) will be used to represent which type of chemical reaction?
  2. The amount of energy required for a chemical reaction to occur
  3. The collision theory states that for a chemical reaction to occur particles must collide with a proper orientation and ________.
  4. In nature, systems tend to move towards ________ entropy and low energy
  5. When bonds break is energy absorbed or released?

11 Clues: The measurement of disorder • When bonds break is energy absorbed or released? • The amount of energy required for a chemical reaction to occur • The addition of a ___________ will lower the activation energy • A (-∆H) will be used to represent which type of chemical reaction? • In nature, systems tend to move towards ________ entropy and low energy • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. A change of state from gas to solid
  2. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  3. A change of state from solid to gas
  4. A change of state where a liquid is heated and changes to a gas within the liquid
  5. A solid formed during a chemical change
  6. A decrease in size
  7. A change of state where a gas is cooled and forms a liquid
  8. A chemical reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  9. The substances formed in chemical reactions
Down
  1. The change of state from liquid to solid
  2. A change that does not result in a new substance being produced
  3. Evaporation of solvent from a solution to leave solute behind as crystals
  4. The process of rearranging atoms in substances to form different substances
  5. A change that results in a new substance being formed
  6. A simple chemical equation where chemicals are represented by their names
  7. The starting substances in chemical reactions
  8. Any chemical reaction where a substance burns in oxygen to produce light and heat
  9. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  10. A change of state where a liquid changes to a gas at the surface of the liquid
  11. The change of state when a solid is heated and forms a liquid
  12. An increase in size

21 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A change of state from solid to gas • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

Basic Chemistry Terms 2022-09-12

Basic Chemistry Terms crossword puzzle
Across
  1. A group of elements organized up and down on the periodic table. They react / behave similarly
  2. This change occurs when a substance changes forms but it is chemically the same thing
  3. A strong force or attraction between atoms
  4. The substance being dissolved by the solvent
  5. Two or more elements bonded together into one substance
  6. The electrons in the outer shell
  7. When atoms or molecules are rearranged to form new substances. The result of a chemical change.
  8. A pure substance that cannot be chemically or physically broken down by any further means
  9. This is how many protons are in the element
  10. This is the average of the total protons and neutrons in an element
  11. The simplest unit of matter that retains chemical properties
Down
  1. The stuff on the left-hand side of the arrows in a chemical reaction
  2. The substance in greater amount that is dissolving the solute
  3. When an element has different number of neutrons but the same number of protons
  4. This is an element's attraction to electrons (when participating in a covalent bond)
  5. Two or more atoms bonded together into one
  6. This type of chemical bond results from a sharing of electrons between two atoms
  7. The stuff on the right-hand side of the arrows in a chemical reaction
  8. This change occurs when a substance is transformed into another
  9. This type of chemical bond results from the attraction of opposite charges (positive and negative)

20 Clues: The electrons in the outer shell • Two or more atoms bonded together into one • A strong force or attraction between atoms • This is how many protons are in the element • The substance being dissolved by the solvent • Two or more elements bonded together into one substance • The simplest unit of matter that retains chemical properties • ...

CHEMICAL REACTION AND EQUATIONS 2021-08-25

CHEMICAL REACTION AND EQUATIONS crossword puzzle
Across
  1. ADDITION OF HYDROGEN
  2. PROCESS OF EATING UP OF METALS IN THE PRESENCE OF AIR,MOISTURE
  3. SUBSTANCES PRODUCED AFTER A CHEMICAL REACTION IS COMPLETED
  4. LOSS OF ELECTRONS
  5. SILVER CHLORIDE UNDERGOES _________________ IN PRESENCE OF SUNLIGHT
  6. BROWN GAS EVOLVED ON HEATING OF COPPER NITRATE IS _______________
Down
  1. REACTION IN WHICH BOTH REDUCTION AND OXIDATION PROCESSES TAKES PLACE SIMULTANEOUSLY.
  2. OTHER NAME FOR DOUBLE DISPLACEMENT REACTION
  3. ______________CAN NEITHER BE CREATED NOR DESTROYED DURING A CHEMICAL REACTION.
  4. OXIDATION OF FATS AND OILS CONTAINING FOOD ITEMS.
  5. SUBSTANCES WHICH TAKE PART IN A CHEMICAL REACTION
  6. CLASS OF COMPOUNDS TO WHICH BHA AND BHT BELONGS

12 Clues: LOSS OF ELECTRONS • ADDITION OF HYDROGEN • OTHER NAME FOR DOUBLE DISPLACEMENT REACTION • CLASS OF COMPOUNDS TO WHICH BHA AND BHT BELONGS • OXIDATION OF FATS AND OILS CONTAINING FOOD ITEMS. • SUBSTANCES WHICH TAKE PART IN A CHEMICAL REACTION • SUBSTANCES PRODUCED AFTER A CHEMICAL REACTION IS COMPLETED • PROCESS OF EATING UP OF METALS IN THE PRESENCE OF AIR,MOISTURE • ...

Lessons 2.3 & 2.4 Vocabulary 2014-11-18

Lessons 2.3 & 2.4 Vocabulary crossword puzzle
Across
  1. simple sugar molecule
  2. element or compound that enter into a chemical reaction
  3. energy that is needed to get a reaction started (2 words)
  4. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  5. reactant of an enzyme-catalyzed reaction
  6. macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus (2 words)
Down
  1. small chemical unit that makes up a polymer
  2. process that changes, or transforms, one set of chemicals into another set of chemicals (2 words)
  3. element or compound produced by a chemical reaction
  4. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  5. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
  6. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  7. compound with an amino group on one end and a carboxyl group on the other end (2 words)
  8. substance that speeds up the rate of a chemical reaction
  9. molecule composed of many monomers; makes up macromolecules
  10. protein catalyst that speeds up the rate of specific biological reactions

16 Clues: simple sugar molecule • reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • element or compound produced by a chemical reaction • element or compound that enter into a chemical reaction • substance that speeds up the rate of a chemical reaction • energy that is needed to get a reaction started (2 words) • ...

Bonding and Naming Crossword Puzzle 2018-09-11

Bonding and Naming Crossword Puzzle crossword puzzle
Across
  1. /a chemical process where a solid turns into a gas without going through a liquid stage.
  2. /a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  3. /an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  4. /relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
  5. /Any of several forces, especially the ionic bond, covalent bond, and metallic bond, by which atoms or ions are bound in a molecule or crystal.
  6. /a representation of a substance using symbols for its constituent elements.
  7. /a substance that is formed as the result of a chemical reaction.
  8. /the temperature at which a liquid boils and turns to vapor.
  9. /a usually reversible change in the physical properties of a substance, as size or shape
  10. / also known as a molecular ion, is a charged chemical species composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit.
Down
  1. /the temperature at which a given solid will melt.
  2. /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. /an ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge, typically at low pressures (as in the upper atmosphere and in fluorescent lamps) or at very high temperatures (as in stars and nuclear fusion reactors).
  4. /chemical compound composed of only two elements
  5. /a substance that takes part in and undergoes change during a reaction.
  6. /the electrostatic bond between two ions formed through the transfer of one or more electrons.
  7. /Binary a number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound.
  8. Bond /A type of covalent bond between two atoms in which electrons are shared unequally. Because of this, one end of the molecule has a slightly negative charge and the other a slightly positive charge. See more at covalent bond.
  9. /a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance
  10. /containing no permanently dipolar molecules; lacking a dipole.

20 Clues: /chemical compound composed of only two elements • /the temperature at which a given solid will melt. • /the temperature at which a liquid boils and turns to vapor. • /containing no permanently dipolar molecules; lacking a dipole. • /a substance that is formed as the result of a chemical reaction. • ...

Chemistry 2025-05-05

Chemistry crossword puzzle
Across
  1. space occupied
  2. made of two or more elements
  3. mixing elements
  4. does not change with heat
  5. ability to do work
  6. branch of science
  7. undergoes change
  8. takes up space
Down
  1. reaction of heat releasing
  2. joined by a chemical bond
  3. result of an action
  4. atoms bonded together
  5. the basic unit of a chemical element
  6. high temp
  7. experiment aftermath
  8. large body with no space
  9. temperature

17 Clues: high temp • temperature • space occupied • takes up space • mixing elements • undergoes change • branch of science • ability to do work • result of an action • experiment aftermath • atoms bonded together • large body with no space • joined by a chemical bond • does not change with heat • reaction of heat releasing • made of two or more elements • the basic unit of a chemical element

Enzyme/water vocab 2021-10-04

Enzyme/water vocab crossword puzzle
Across
  1. Products are the species formed from chemical reactions
  2. a process that involves rearrangement of the molecular or ionic structure of a substance
  3. a substance that dissolves in a solvent
  4. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction
  5. a scale used to specify the acidity or basicity of an aqueous solution
  6. a material made up of two or more different Chemical substances which are not chemically combined
  7. a solution that can resist pH change upon the addition of an acidic or basic components
  8. a liquid mixture in which the minor component is uniformly distributed within the major component
  9. a chemical species that donates electrons, accepts protons, or releases hydroxide
Down
  1. a substance that dissolves other substances
  2. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red
  3. a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative
  4. any substance that increases the rate of a reaction without itself being consumed
  5. a region on an enzyme that binds to a protein or other substance during a reaction
  6. the force of attraction between a hydrogen atom and another electronegative atom
  7. the chemical reactant that takes part in the chemical reaction and on which an enzyme will act upon
  8. a substance produced by a living organism which acts as a catalyst

17 Clues: a substance that dissolves in a solvent • a substance that dissolves other substances • Products are the species formed from chemical reactions • a substance produced by a living organism which acts as a catalyst • a scale used to specify the acidity or basicity of an aqueous solution • ...

Chemistry Crossword 2023-05-18

Chemistry Crossword crossword puzzle
Across
  1. Matter is not created nor destroyed in any chemical or physical change / Matter IS rearranged though
  2. characteristics used to describe an object
  3. elements in group 18 of the periodic table,nonreactive, colorless, odorless
  4. Group 1, 1 electron in outer energy level, very reactive, soft, silver, shiny, low density
  5. a change in which no new matter is made
  6. The elements or compounds produced by a chemical reaction / on the right side of the yield sign
  7. A combination of chemical symbols and numbers to represent a substance
  8. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction / the "big numbers"
  9. the process by which one or more substances change to produce one or more different substances
Down
  1. Horizontal rows on the periodic table
  2. two or more atoms held together
  3. Vertical columns on the periodic table
  4. group 2 metals, very reactive, gray-white, good conductor of electricity
  5. Group 17 Contains nonmetals / Very reactive
  6. the process by which one or more substances change to produce one or more different substances
  7. A substance made up of atoms of two or more different elements joined by chemical bonds
  8. solid that forms from a solution in a chemical reaction
  9. a change in which new matter is create
  10. the arrow in the middle of a chemical equation that separates reactants and products
  11. basic unit of matter
  12. A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound / the "small numbers"

21 Clues: basic unit of matter • two or more atoms held together • Horizontal rows on the periodic table • Vertical columns on the periodic table • a change in which new matter is create • a change in which no new matter is made • characteristics used to describe an object • Group 17 Contains nonmetals / Very reactive • solid that forms from a solution in a chemical reaction • ...

Chemical Reaction Terms 2016-09-07

Chemical Reaction Terms crossword puzzle
Across
  1. A change that absorbs energy causing the temperature of the surroundings to decrease.
  2. A substance that increases the rate of a reaction without being used up.
  3. The change of state from gas to solid.
  4. A chemical that changes colour in an acid or base.
  5. blah blah.
Down
  1. An insoluble solid formed when two solutions mix.
  2. A solution in which a large amount of the solute is dissolved in a solvent.
  3. The substances formed by a chemical reaction.
  4. A base that is soluble in water.
  5. A chemical that causes solids to be "eaten away".

10 Clues: blah blah. • A base that is soluble in water. • The change of state from gas to solid. • The substances formed by a chemical reaction. • An insoluble solid formed when two solutions mix. • A chemical that causes solids to be "eaten away". • A chemical that changes colour in an acid or base. • A substance that increases the rate of a reaction without being used up. • ...

Energy 2016-04-06

Energy crossword puzzle
Across
  1. Efficiency: percentage of the total energy input that does useful work
  2. transfer of heat by movement of a fluid
  3. A measure of the average kinetic energy of the particles in a sample of matter, expressed in terms of units or degrees designated on a standard scale.
  4. the quality of being hot
  5. transfer of heat through a material by direct contact
  6. Potential: stored in spring or elastic material
  7. transfer heat through space
  8. Energy: stored in chemical bonds
Down
  1. Reaction: chemical reaction in which energy is absorbed
  2. potential energy: stored doing work against a force of gravity
  3. Energy: measures the total energy of moving particles
  4. Reaction: chemical reaction that releases energy
  5. Heat: amount of heat required to change a unit mass
  6. of Conservati on: transfer from one part of the world to another

14 Clues: the quality of being hot • transfer heat through space • Energy: stored in chemical bonds • transfer of heat by movement of a fluid • Potential: stored in spring or elastic material • Reaction: chemical reaction that releases energy • Heat: amount of heat required to change a unit mass • Energy: measures the total energy of moving particles • ...

CROSSWORD- CHEMISTRY 2024-08-24

CROSSWORD- CHEMISTRY crossword puzzle
Across
  1. THEY ARE ELECTROMAGNETIC RADIATIONS HAVING WAVELENGTH LESS THAN THE X RAYS
  2. SHORT FORM OF AN ELEMENT
  3. ELEMENTS WHICH GIVE HARMFUL RADIATION
  4. ELEMENT WITH ATOMIC NUMBER 25
  5. THE ENERGY RELEASED BY FUSING NUCLEI OF VERY LIGHT ELEMENTS UNDER EXTREMELY HIGH TEMPERATURE AND PRESSURE
  6. A PURE SUBSTANCE MADE UP OF ONLY ONE KIND OF ATOMS
  7. THE NUMBER OF PROTONS IN THE NUCLEUS OF AN ATOM
  8. THE NEW SUBSTANCES FORMED AS A RESULT OF A CHEMICAL REACTION
Down
  1. THE COMBINING CAPACITY OF AN ELEMENT
  2. THE ATOMS OF SAME ELEMENT HAVING SAME ATOMIC NUMBER BUT DIFFERENT MASS NUMBERS
  3. A MIXTURE IN WHICH DIFFERENT CONSTITUENTS ARE MIXED UNIFORMLY
  4. RADIO ISOTOPE USED FOR TREATMENT OF THYROID GLAND CANCER
  5. NEGATIVELY CHARGED ION
  6. THE SUBSTANCES WHICH TAKE PART IN A CHEMICAL REACTION
  7. A GROUP OF TWO OR MORE DIFFERENT ATOMS HAVING A NET POSITIVE OR NEGATIVE CHARGE
  8. THE SMALLEST UNIT OF MATTER WHICH TAKES PART IN A CHEMICAL REACTION
  9. IRON WITH VALENCY 3
  10. A CHEMICAL COMPOUND IS ALWAYS ELECTRICALLY ________

18 Clues: IRON WITH VALENCY 3 • NEGATIVELY CHARGED ION • SHORT FORM OF AN ELEMENT • ELEMENT WITH ATOMIC NUMBER 25 • THE COMBINING CAPACITY OF AN ELEMENT • ELEMENTS WHICH GIVE HARMFUL RADIATION • THE NUMBER OF PROTONS IN THE NUCLEUS OF AN ATOM • A PURE SUBSTANCE MADE UP OF ONLY ONE KIND OF ATOMS • A CHEMICAL COMPOUND IS ALWAYS ELECTRICALLY ________ • ...

Chemistry Cross word 2024-09-13

Chemistry Cross word crossword puzzle
Across
  1. A reaction that releases heat to its surroundings.
  2. Two or more atoms bonded together.
  3. A compound composed entirely of hydrogen and carbon atoms.
  4. A technique used to determine the concentration of a solution by adding a known volume of another solution.
  5. The tendency of an atom to attract electrons in a bond.
  6. A substance made from two or more different elements chemically bonded.
  7. The calculation of reactants and products in a chemical reaction.
  8. The process in which a substance gains electrons.
Down
  1. A solid formed in a solution during a chemical reaction.
  2. Electrons in the outermost shell of an atom involved in bonding.
  3. A reaction that absorbs heat from its surroundings.
  4. A substance that dissociates into ions when dissolved in water, conducting electricity.
  5. A substance that speeds up a chemical reaction without being consumed.
  6. The number of atoms or molecules in one mole, approximately 6.02 x 10²³.
  7. The total heat content of a system
  8. The smallest unit of matter that retains the properties of an element.
  9. The process in which a substance loses electrons.

17 Clues: Two or more atoms bonded together. • The total heat content of a system • The process in which a substance loses electrons. • The process in which a substance gains electrons. • A reaction that releases heat to its surroundings. • A reaction that absorbs heat from its surroundings. • The tendency of an atom to attract electrons in a bond. • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. A change that results in a new substance being formed
  2. The change of state when a solid is heated and forms a liquid
  3. A gradual erosion of rocks and buildings that occurs when limestone and marble react chemically with the carbonic acid in rainwater
  4. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  5. A decrease in size
  6. Evaporation of solvent from a solution to leave solute behind as crystals
  7. A change of state where a liquid is heated and changes to a gas within the liquid
  8. A change of state from gas to solid
  9. A change of state where a gas is cooled and forms a liquid
Down
  1. Any chemical reaction where a substance burns in oxygen to produce light and heat
  2. The change of state from liquid to solid
  3. A change of state from solid to gas
  4. A simple chemical equation where chemicals are represented by their names
  5. The process of rearranging atoms in substances to form different substances
  6. A chemical reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  7. A change of state where a liquid changes to a gas at the surface of the liquid
  8. A change that does not result in a new substance being produced
  9. An increase in size
  10. A solid formed during a chemical change
  11. The substances formed in chemical reactions
  12. The starting substances in chemical reactions

21 Clues: A decrease in size • An increase in size • A change of state from solid to gas • A change of state from gas to solid • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • ...

Chemistry 2021-10-04

Chemistry crossword puzzle
Across
  1. state in which atoms or molecules are loosely packed together, and can move past each other
  2. the amount of matter contained in an object
  3. - substances present after a chemical reaction; the outcome
  4. - change in the chemical properties of a substance; results in the formation of a new substance
  5. - mixture in which one substance (solvent) dissolves the other substances (solute)
  6. - number appearing before a chemical formula in a chemical equation denoting how many molecules of that substance are involved in the reaction
  7. - vertical column on the Periodic Table of Elements. All of the elements in a group have similar chemical properties
  8. - describes a substance’s ability to be pounded flat and shaped
  9. anything that has mass and takes up space
  10. - Group 1 of the Periodic Table of Elements; highly reactive, soft, and brittle
  11. a pure substance that cannot be broken down into simpler substances
  12. - force of attraction between atoms in a molecule through sharing or redistribution of electrons
  13. - how many electrons an element tends to give away or receive when bonding
  14. - a process in which chemical bonds are broken and reform in different ways, resulting in the formation of new substances
  15. the amount of space an object takes up
  16. - a chemical reaction in which energy is released (through the breaking of chemical bonds). Feels hot to the touch.
  17. - matter is never created or destroyed; in a chemical reaction, the mass of the reactants is equal to the mass of the products
  18. - a chemical reaction in which products can escape, resulting in a lower mass
  19. state in which atoms or molecules are packed closely together and do not move past each other
  20. - two or more elements chemically bonded together
  21. - related to the outermost electron orbital of an atom (where bonding takes place)
  22. - horizontal row on the Periodic Table of Elements. All of the elements in a period have the same number of electron orbitals
  23. - part of a solution that is dissolved
  24. negatively charged particle that orbits the nucleus in distinct orbitals (shells)
  25. - elements that are not malleable, not ductile, are poor conductors, and do not have luster
  26. a particular kind of matter with uniform properties
  27. - characteristic of a substance that can be observed or measured without changing the substance
  28. - substances present before a chemical reaction; the “ingredients”
  29. the ratio of an object’s mass to its volume
  30. - shorthand method of describing a chemical reaction
  31. - two or more substances in the same container, but not chemically bonded to each other
Down
  1. - Group 2 of the Periodic Table; combine with elements from the Halogens to form salts
  2. - mixture in which you cannot see the different parts; all of the parts are uniformly distributed
  3. - change in the physical properties of a substance
  4. the arrangement and density of atoms or molecules of a substance
  5. state in which atoms or molecules are far apart from each other and free to move
  6. - describes a substance’s ability to be stretched thin into wires
  7. - mixture in which you can see the different parts and they can be easily separated
  8. - two or more atoms chemically bonded together
  9. - non-reactive gases. Their valence electron orbitals are full and complete
  10. - a chemical reaction in which energy is absorbed (through the formation of chemical bonds). Feels cold to the touch.
  11. - the average combined number of protons and neutrons found in the nucleus of one atom of an element, including all of its isotopes
  12. - one, two, or three letter abbreviation for an element. First letter is capitalized, second is lowercase.
  13. - characteristic of a substance that describes its ability to change into other substances
  14. - chart used to organize known elements by their chemical properties
  15. - solid that forms as a result of the reaction between two liquids
  16. - a chemical reaction that is sealed, not allowing products to escape
  17. the smallest particle of an element that retains the properties of that element
  18. particle found in the nucleus of an atom that has no charge
  19. - describes how easily an element will bond with other elements. Depends on valence electrons (outermost shell)
  20. - elements that share characteristics with metals and nonmetals
  21. Number - the combined number of protons and neutrons found in the nucleus of one atom of an element
  22. - the number of protons found in the nucleus of one atom of an element
  23. - small number appearing after a chemical symbol denoting how many atoms of that element are contained in one molecule of that compound
  24. - describes a substance’s ability to transfer thermal or electrical energy
  25. positively charged particle found in the nucleus of an atom
  26. - hard, malleable, and ductile metals with variable oxidation states; Transition Metals are good conductors of heat and electricity
  27. - part of a solution that dissolves the other substances

58 Clues: the amount of space an object takes up • - part of a solution that is dissolved • anything that has mass and takes up space • the amount of matter contained in an object • the ratio of an object’s mass to its volume • - two or more atoms chemically bonded together • - two or more elements chemically bonded together • - change in the physical properties of a substance • ...

Chemical Reactions 2023-05-02

Chemical Reactions crossword puzzle
Across
  1. a displacement reaction that occurs when two compounds exchange elements/ions to form two new compounds
  2. a chemical compound that is composed of hydrogen and carbon
  3. a reaction during which two chemical substances combine to form one product
  4. a reaction that occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide, water vapor and heat
  5. a reaction during which a chemical compound breaks down into two or more substances
  6. this symbol is used to represent heat in a chemical equation
Down
  1. a reaction that occurs when an acid and a base react with each other to form a salt and water
  2. this term describes a substance that has been dissolved in water
  3. this term describes a reaction that absorbs heat
  4. this term describes a reaction that releases heat
  5. a displacement reaction that occurs when an element displaces another element from a compound
  6. this term describes a solid substance that is formed during the combining of aqueous substance

12 Clues: this term describes a reaction that absorbs heat • this term describes a reaction that releases heat • a chemical compound that is composed of hydrogen and carbon • this symbol is used to represent heat in a chemical equation • this term describes a substance that has been dissolved in water • ...

Topic 2 2025-10-05

Topic 2 crossword puzzle
Across
  1. : The substances formed as a result of a chemical reaction.
  2. : A change that alters the form or appearance of matter but does not create a new substance.
  3. : The starting substances in a chemical reaction.
  4. : A process that releases heat energy into the surroundings.
  5. : A change in which one or more substances are transformed into new substances.
  6. : A material made of many small, repeating molecules bonded together.
Down
  1. : A resource that comes from nature, such as water, air, or minerals.
  2. : The idea that matter cannot be created or destroyed in a chemical reaction.
  3. : A substance that is made by humans rather than found naturally.
  4. : A reaction that absorbs heat from its surroundings.
  5. : A process that causes a chemical change or transformation.
  6. : A reaction in which one compound breaks down into two or more simpler substances.

12 Clues: : The starting substances in a chemical reaction. • : A reaction that absorbs heat from its surroundings. • : The substances formed as a result of a chemical reaction. • : A process that causes a chemical change or transformation. • : A process that releases heat energy into the surroundings. • : A substance that is made by humans rather than found naturally. • ...

Unit 4 + 6 Chemistry 2023-05-15

Unit 4 + 6 Chemistry crossword puzzle
Across
  1. In Greek, stands for "element measuring"
  2. Total of the atomic masses of all atoms that are present in a given compound
  3. A reaction with the products CO2 and H2O
  4. Has an atomic mass of 58.7 grams
  5. The number in a compound formula that tells you how many atoms of each element there are
  6. Has an atomic mass of 180.9 grams
Down
  1. What is on the right side of a chemical reaction
  2. 6.022 x 10^23 atoms/molecules/particles
  3. one of the basic substances that are made of atoms of only one kind and that cannot be separated by ordinary chemical means into simpler substances
  4. AB -> A + B, One of five different chemical reactions
  5. Consists of one or more atoms
  6. The number in front of a compound in a reaction that tells you the # of molecules
  7. What you do when you are adding coefficients to get the same # of atoms on each side of the reaction
  8. What is on the left side of a chemical reaction
  9. Has an atomic mass of 12 grams

15 Clues: Consists of one or more atoms • Has an atomic mass of 12 grams • Has an atomic mass of 58.7 grams • Has an atomic mass of 180.9 grams • 6.022 x 10^23 atoms/molecules/particles • In Greek, stands for "element measuring" • A reaction with the products CO2 and H2O • What is on the left side of a chemical reaction • What is on the right side of a chemical reaction • ...

Moles & Stuff 2025-04-22

Moles & Stuff crossword puzzle
Across
  1. What is on the right side of a chemical reaction
  2. Total of the atomic masses of all atoms that are present in a given compound
  3. Has an atomic mass of 58.7 grams
  4. AB -> A + B, One of five different chemical reactions
  5. A reaction with the products CO2 and H2O
  6. Has an atomic mass of 12 grams
Down
  1. What is on the left side of a chemical reaction
  2. Has an atomic mass of 180.9 grams
  3. What you do when you are adding coefficients to get the same # of atoms on each side of the reaction
  4. one of the basic substances that are made of atoms of only one kind and that cannot be separated by ordinary chemical means into simpler substances
  5. 6.022 x 10^23 atoms/molecules/particles
  6. The number in front of a compound in a reaction that tells you the # of molecules
  7. Consists of one or more atoms
  8. In Greek, stands for "element measuring"
  9. The number in a compound formula that tells you how many atoms of each element there are

15 Clues: Consists of one or more atoms • Has an atomic mass of 12 grams • Has an atomic mass of 58.7 grams • Has an atomic mass of 180.9 grams • 6.022 x 10^23 atoms/molecules/particles • In Greek, stands for "element measuring" • A reaction with the products CO2 and H2O • What is on the left side of a chemical reaction • What is on the right side of a chemical reaction • ...

Thermic reactions 2022-03-14

Thermic reactions crossword puzzle
Across
  1. oxygen and carbon atoms
  2. low temperature
  3. atoms before reaction
  4. Warm chemical reaction
  5. high temperature
Down
  1. alkaline reactant
  2. forms after reaction
  3. Cold chemical reaction
  4. acid reactant
  5. relating to temperature

10 Clues: acid reactant • low temperature • high temperature • alkaline reactant • forms after reaction • atoms before reaction • Cold chemical reaction • Warm chemical reaction • oxygen and carbon atoms • relating to temperature

Chemical Changes 2023-03-30

Chemical Changes crossword puzzle
Across
  1. An acid will react with an alkali to form a salt and water. This reaction is called ____.
  2. A change in which no new substances are formed is called a _____.
  3. ___ is a chemical reaction that makes use of an electric current to coat object with different metals.
  4. Substances that react with each other and start the chemical change are known as _____.
  5. This gas will extinguish a lighted splint with a 'pop' sound.
  6. A chemical reaction in which a substance is heated in presence of oxygen to form one or more new substances is known as _____.
  7. This substance has a sour taste and can be corrosive.
  8. Rusting and respiration are example of the chemical change called ______, when a substance gains oxygen.
  9. When large amounts of air pollutants and carbon dioxide is released into the air, these gases can dissolve in sea water and cause _____ acidification.
Down
  1. Substances that are formed at the end of the chemical change are known as _____.
  2. Water is neither acidic or alkaline. Water is a ____ substance.
  3. To test for carbon dioxide gas produced, we can use _____.
  4. ____ is a chemical reaction that occurs in green plants.
  5. thermal Calcium carbonate can undergo thermal _____ to form calcium oxide and carbon dioxide.
  6. Sulfur dioxide, an air pollutant is produced during ____ eruptions.
  7. This substance turns red litmus paper blue.

16 Clues: This substance turns red litmus paper blue. • This substance has a sour taste and can be corrosive. • ____ is a chemical reaction that occurs in green plants. • To test for carbon dioxide gas produced, we can use _____. • This gas will extinguish a lighted splint with a 'pop' sound. • Water is neither acidic or alkaline. Water is a ____ substance. • ...

Chemistry Things 2021-04-13

Chemistry Things crossword puzzle
Across
  1. before reaction
  2. also comes in the chemical variety
  3. comes in the chemical variety
  4. found in a chemical reaction
Down
  1. has a law about its conservation
  2. anything that takes up space
  3. after reaction
  4. what an equation shouldn't be
  5. field that deals with chemicals
  6. what an equation should be

10 Clues: after reaction • before reaction • what an equation should be • anything that takes up space • found in a chemical reaction • what an equation shouldn't be • comes in the chemical variety • field that deals with chemicals • has a law about its conservation • also comes in the chemical variety

Chemistry Things 2021-04-12

Chemistry Things crossword puzzle
Across
  1. field that deals with chemicals
  2. what an equation shouldn't be
  3. before reaction
  4. has a law about its conservation
  5. comes in the chemical variety
Down
  1. found in a chemical reaction
  2. what an equation should be
  3. also comes in the chemical variety
  4. anything that takes up space
  5. after reaction

10 Clues: after reaction • before reaction • what an equation should be • found in a chemical reaction • anything that takes up space • what an equation shouldn't be • comes in the chemical variety • field that deals with chemicals • has a law about its conservation • also comes in the chemical variety

honors biology cross word puzzle 2023-08-21

honors biology cross word puzzle crossword puzzle
Across
  1. the chemical reactions within an organism that build or break down substances
  2. reactions and Enzymes (section 2.4)
  3. sugar molecule
  4. made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  5. of an enzyme-catalyzed reaction
  6. organism that lacks a nucleus
  7. in classification, a group of closely related families
  8. biological catalysts
  9. acid- macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
  10. a larger, more inclusive taxonomic category than a kingdom
  11. to which an organism responds
  12. reproduction-reproduction in which two parents produce unique offspring, different from the parents and each other
  13. material that organisms inherit from their parents
  14. (pl. phyla)-- in classification, a group of closely related classes
  15. largest and most inclusive group in classification
  16. substance that speeds up the rate of a chemical reaction
  17. formed as a result of a chemical reaction
  18. (pl. genera)-- group of closely related species; the first part of the scientific name in binomial nomenclature
  19. trait that an organism has that allows for it to survive and reproduce at a greater rate
  20. of similar organisms that can breed and produce fertile offspring
  21. large organic molecule made up of many atoms (like proteins)
  22. name– A name used by scientists, especially the taxonomic name of an organism that consists of the genus and specie
Down
  1. reaction- a reaction that releases energy (gives off heat)
  2. reaction in living organisms that builds molecules (requires energy)
  3. a complex carbohydrate made up of many monosaccharides
  4. reproduction-reproduction in which a single parent produces offspring, identical to the parent and each other
  5. of maintaining stable internal environment within a cell/organism
  6. or compounds that enter into a chemical reaction
  7. made up of amino acids
  8. chemical unit that makes up a polymer
  9. molecules composed of many monomers; makes up macromolecules
  10. complex cell that has a nucleus
  11. nomenclature– classification system in which each species is assigned a two-part scientific name
  12. of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  13. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  14. in classification, a group of closely related orders
  15. Order in Biodiversity (Chapter 19.1)
  16. energy- energy that is needed to get a reaction started
  17. name– refers to the colloquial name of a taxon or species. It is the name known to the general public or is based on any language
  18. reaction- process that changes, or transforms, one set of chemicals into another set of chemicals
  19. reaction- a reaction that absorbs energy (absorbs heat)
  20. reaction in living organisms that breaks down complex molecules (releases energy)
  21. acid- compound with an amino group on one end and a carboxyl group on the other end
  22. classification, a group of similar genera
  23. of Life (Chapter 1.3)

45 Clues: sugar molecule • biological catalysts • of Life (Chapter 1.3) • made up of amino acids • organism that lacks a nucleus • to which an organism responds • of an enzyme-catalyzed reaction • complex cell that has a nucleus • reactions and Enzymes (section 2.4) • Order in Biodiversity (Chapter 19.1) • chemical unit that makes up a polymer • formed as a result of a chemical reaction • ...

MATTER REVIEW 2023-12-15

MATTER REVIEW crossword puzzle
Across
  1. ENERGY ASSOCIATED WITH HEAT
  2. A MIXTURE THAT IS EVENLY SPREAD THROUGHOUT
  3. MATTER IS NEITHER CREATED NOR DESTROYED
  4. THE END RESULT OF A CHEMICAL REACTION
  5. THE SMALLEST UNIT OF MATTER
Down
  1. A MIXTURE THAT IS NOT EVENLY SPREAD THROUGHOUT
  2. THE MEASURE OF HOW MUCH MATTER IS IN AN OBJECT
  3. ENERGY IS A CHEMICAL REACTION
  4. THE MEASURE OF HOW MUCH SPACE AN OBJECT TAKES UP
  5. ENERGY ASSOCIATED WITH MOVEMENT
  6. TWO OR MORE ATOMS CONNECTED BY A CHEMICAL BOND
  7. THE BEGINING PART OF A CHEMICAL REACTION

12 Clues: ENERGY ASSOCIATED WITH HEAT • THE SMALLEST UNIT OF MATTER • ENERGY IS A CHEMICAL REACTION • ENERGY ASSOCIATED WITH MOVEMENT • THE END RESULT OF A CHEMICAL REACTION • MATTER IS NEITHER CREATED NOR DESTROYED • THE BEGINING PART OF A CHEMICAL REACTION • A MIXTURE THAT IS EVENLY SPREAD THROUGHOUT • A MIXTURE THAT IS NOT EVENLY SPREAD THROUGHOUT • ...

ur mom 2023-05-02

ur mom crossword puzzle
Across
  1. breaking down something
  2. A ration
  3. form of clothing to keep your feet from getting hurt.
  4. when a substance goes through a change
  5. a number used to balance an equation out
  6. two
  7. a liquid
  8. something that speeds up a chemical reaction
  9. meat that comes from a pig and is cooked for breakfast
  10. the production of chemical compounds by reaction from simpler materials.
  11. when light or energy is released from a reaction
Down
  1. when something will float
  2. a process that causes the product to attract heat
  3. how thick something is
  4. a unit of measurement
  5. A vidal organ in all animals and humans
  6. a mathematical sequence with and equal sign
  7. what you have at the end of a reaction
  8. air underneath something that is increasing in acceleration
  9. simple state of being
  10. Spring creek high school

21 Clues: two • A ration • a liquid • a unit of measurement • simple state of being • how thick something is • breaking down something • Spring creek high school • when something will float • when a substance goes through a change • A vidal organ in all animals and humans • what you have at the end of a reaction • a number used to balance an equation out • ...

Biology Crossword 3 2025-10-23

Biology Crossword 3 crossword puzzle
Across
  1. breaking down glucose with oxygen to make ATP
  2. the organelle of photosynthesis
  3. a light absorbing molecule
  4. reactant of cellular respiration needed to break down glucose
  5. number of steps in cellular respiration
  6. changing light energy into glucose
  7. the photosynthesis reaction that depend on light energy being absorbed (abbreviation)
  8. the light absorbing pigment in plants
  9. no oxygen
  10. the job of NADPH and ATP in photosynthesis
  11. the substances that go into a chemical reaction
Down
  1. breaking down glucose without oxygen to make ATP
  2. the molecule that is broken apart when light energy is absorbed
  3. the fuel molecule
  4. using oxygen
  5. the energy molecule
  6. the reaction in photosynthesis that does not require light
  7. product of fermentation in humans
  8. total number of ATP made with cellular respiration
  9. number of ATP made in fermentation
  10. the substances that come out of a chemical reaction

21 Clues: no oxygen • using oxygen • the fuel molecule • the energy molecule • a light absorbing molecule • the organelle of photosynthesis • product of fermentation in humans • changing light energy into glucose • number of ATP made in fermentation • the light absorbing pigment in plants • number of steps in cellular respiration • the job of NADPH and ATP in photosynthesis • ...

Chemistry Crossword 2017-11-16

Chemistry Crossword crossword puzzle
Across
  1. invisible negatively charged particle that orbits the nucleus of and atom
  2. chemical change that occurs when oxygen in the air reacts with a metal
  3. at table in which elements are organized by their physical and chemical properties
  4. chemical reaction that absorbs energy
  5. a pure substance formed when two non metals combine
  6. a pure substance formed when at least on metal and one non metal combine
  7. chemical reaction that releases energy
  8. metal the first column of the periodic table excluding hydrogen,that a really reactive in air and water
  9. workplace hazardous information material system
  10. can be stretched into wire
  11. substance that helps a chemical reaction proceed more quickly
  12. neutral particle in the nucleus of an atom
Down
  1. catalyst involved in chemical reactions in living things
  2. Irreversible change
  3. shininess of a metal
  4. the degree to which a specified material conducts electricity
  5. what everything is made up of
  6. Mass of Reactants= Mass of Products
  7. number of protons in the nucleus of one atom of an element
  8. group 18 in periodic table, they are the most stable and nonreactive elements. metalloid element that has both metallic and non metallic properties
  9. positively charged particle in the nucleus of an atom
  10. ability to pound and roll into flat sheets
  11. the mass of an element measured in amu
  12. horizontal row of elements in the periodic table

24 Clues: Irreversible change • shininess of a metal • can be stretched into wire • what everything is made up of • Mass of Reactants= Mass of Products • chemical reaction that absorbs energy • chemical reaction that releases energy • the mass of an element measured in amu • ...

Chapter 22 (Compounds) and 23 (Chemical Reactions) 2024-04-22

Chapter 22 (Compounds) and 23 (Chemical Reactions) crossword puzzle
Across
  1. A substance written to the right of the arrow in a chemical equation
  2. A change that releases energy
  3. Law of _______ of Matter
  4. statement that atoms will gain, lose, or share electrons so that they will have 8 electrons in their outer energy levels
  5. A substance written to the left of the arrow in a chemical equation
  6. Describes an equation with the same number of atoms of each element on both sides of the arrow
  7. AB --> A + B
  8. electrons in the outer energy level
  9. A substance that speeds up a reaction without being changed itself
  10. A change that absorbs energy
  11. The energy needed to start a combustion reaction
  12. A substance that slows down a chemical change
Down
  1. A+ BC --> AC + B
  2. Carbon-compound + O2 --> CO2 + H20
  3. A shorthand representation of a chemical reaction
  4. forms when atoms lose electrons to form positive ions
  5. a substance composed of only one type of atom
  6. A number written below and to the right of the element symbol in a chemical formula
  7. AB + CD --> AD + CB
  8. A number written in front of a chemical formula
  9. a substance composed of 2 or more elements
  10. A + B --> AB
  11. neither positive nor negative
  12. forms when two atoms share one or more pairs of electrons
  13. force of attraction between oppositely charged ions
  14. forms when atoms gain electrons to form negative ions

26 Clues: AB --> A + B • A + B --> AB • A+ BC --> AC + B • AB + CD --> AD + CB • Law of _______ of Matter • A change that absorbs energy • A change that releases energy • neither positive nor negative • Carbon-compound + O2 --> CO2 + H20 • electrons in the outer energy level • a substance composed of 2 or more elements • a substance composed of only one type of atom • ...

Chemistry Vocab 2023-09-07

Chemistry Vocab crossword puzzle
Across
  1. composed of two or more types of elements
  2. Smallest particle in a chemical element
  3. ability to dissolve in a liquid
  4. tendency of a substance to undergo chemical changes
  5. cannot be broken into anything
  6. substances can be visibly distinguished
Down
  1. solid substance formed when two solutions are chemically combined
  2. pH of less than 7
  3. new substances formed in a chemical reaction
  4. good conductors, malleable and ductile
  5. increases the rate of a chemical reaction
  6. pH more than 7
  7. positive charge
  8. used to classify solutions
  9. No charge

15 Clues: No charge • pH more than 7 • positive charge • pH of less than 7 • used to classify solutions • cannot be broken into anything • ability to dissolve in a liquid • good conductors, malleable and ductile • Smallest particle in a chemical element • substances can be visibly distinguished • composed of two or more types of elements • increases the rate of a chemical reaction • ...

Britany E. Oxidation 2022-01-20

Britany E. Oxidation crossword puzzle
Across
  1. is an oxidation reaction.
  2. can convert stored chemical energy into electrical current.
  3. New substance formed.
  4. is an action between elements of communication is the exchange of information
  5. is a negative electrical charge
  6. gaseous substance which atomic number is 8
  7. products do not change.
  8. union or connection between different things
Down
  1. a substance that is at the beginning of a chemical reaction.
  2. the symbolic representation of a chemical reaction
  3. The transformation of chemical substances or species.
  4. a process by which the atoms loose electrons

12 Clues: New substance formed. • products do not change. • is an oxidation reaction. • is a negative electrical charge • gaseous substance which atomic number is 8 • a process by which the atoms loose electrons • union or connection between different things • the symbolic representation of a chemical reaction • The transformation of chemical substances or species. • ...

HC U5 Vocab 2023-11-09

HC U5 Vocab crossword puzzle
Across
  1. amount of matter stays the same, even when matter changes form
  2. the number in front of the formula
  3. substance specific identification group of atomic symbols and fixed ration subscripts
  4. organic chemical compound that is composed exclusively of hydrogen and carbon atoms
  5. symbolic representations of chemical reactions in which the reactants and the products are expressed in terms of their respective chemical formula
  6. occur when parts of 2 ionic compounds are exchanged, making 2 new compounds
  7. chemical process in which a substance reacts rapidly with oxygen and gives off heat
Down
  1. a reaction in which one element is substituted for another element in a compound
  2. an arrow that is placed after the reactant or reactants, points in direction of products
  3. a positive or negative charge on a atom
  4. rearrangement of the molecular or ionic structure of a substance, opposed to a change in physical form or a nuclear reaction
  5. equations with simply the chemical formulas of the products and reactants, no mention of state
  6. chemical equation where mass is conserved and there are equal numbers of atoms of each element on both sides of the equation
  7. production of chemical compounds reaction from simpler materials
  8. a reaction in which a compound breaks down into 2 or more substances

15 Clues: the number in front of the formula • a positive or negative charge on a atom • amount of matter stays the same, even when matter changes form • production of chemical compounds reaction from simpler materials • a reaction in which a compound breaks down into 2 or more substances • occur when parts of 2 ionic compounds are exchanged, making 2 new compounds • ...

Thermochemistry Crossword 2025-01-14

Thermochemistry Crossword crossword puzzle
Across
  1. The process of changing from solid to liquid.
  2. The total enthalpy change is the same, no matter the reaction pathway.
  3. Absorbs heat during a chemical reaction.
  4. Energy transfer due to temperature difference.
  5. The temperature at which a solid becomes a liquid.
  6. Creation of a compound from its elements.
  7. Energy cannot be created or destroyed.
  8. A device used to measure heat in a reaction.
  9. A graph showing temperature changes as a substance heats.
Down
  1. The amount of heat needed to change a substance's temperature.
  2. Everything outside the system in thermodynamics.
  3. Energy required to remove an electron from an atom.
  4. A graph showing energy changes during a reaction.
  5. The part of the universe being studied in thermodynamics.
  6. Releases heat during a chemical reaction.
  7. The capacity to do work or produce heat.
  8. The temperature at which water changes to steam (100°C).
  9. The total heat content of a system.

18 Clues: The total heat content of a system. • Energy cannot be created or destroyed. • Absorbs heat during a chemical reaction. • The capacity to do work or produce heat. • Releases heat during a chemical reaction. • Creation of a compound from its elements. • A device used to measure heat in a reaction. • The process of changing from solid to liquid. • ...

9-12.P.1.4 2014-01-30

9-12.P.1.4 crossword puzzle
Across
  1. new substances formed as a result of a chemical reaction
  2. in a chemical reaction, the substance you start with before the reaction
  3. a chemical reaction in which one element replaces another element in a compound
Down
  1. a chemical reaction in which a substance breaks down into two or more simpler substances
  2. matter that is a combination of atoms of two or more elements
  3. a chemical reaction in which the positive ions in two or more substances trade places
  4. a chemical reaction in which two or more substances combine to forrm a different substance
  5. an amount of a substance that contains approximately 6.02 X 10^23 particles of the substance
  6. rapid oxidation, or burning
  7. a neutral group of atoms that are joined together by one or more covalent bonds

10 Clues: rapid oxidation, or burning • new substances formed as a result of a chemical reaction • matter that is a combination of atoms of two or more elements • in a chemical reaction, the substance you start with before the reaction • a chemical reaction in which one element replaces another element in a compound • ...

Bioenergetics 2022-02-03

Bioenergetics crossword puzzle
Across
  1. protein that lowers the activation energy of a chemical reaction
  2. processes that occur in the absence of oxygen
  3. usable form of energy currency in a cell
  4. organisms that produce their own food
  5. organelle in which cellular respiration occurs
  6. processes that occur in the presence of oxygen
  7. First step of cellular respiration
  8. primary pigment of photosynthesis that absorbs all colors of light except green, which it reflects
Down
  1. organisms that must consume food
  2. Molecule made by plants that is broken down to form ATP
  3. stack of discs made of membrane within the stroma of a chloroplast
  4. organisms that perform of cellular respiration
  5. organelle in which photosynthesis occurs
  6. Site of Cellular Respiration
  7. chemical reaction/pathway that builds large molecules from smaller molecules
  8. chemical reaction that breaks large molecules into smaller molecules and releases chemical energy
  9. the space inside the inner membrane of a chloroplast

17 Clues: Site of Cellular Respiration • organisms that must consume food • First step of cellular respiration • organisms that produce their own food • usable form of energy currency in a cell • organelle in which photosynthesis occurs • processes that occur in the absence of oxygen • organisms that perform of cellular respiration • organelle in which cellular respiration occurs • ...

Bonding and Naming Crossword Puzzle 2018-09-11

Bonding and Naming Crossword Puzzle crossword puzzle
Across
  1. /the electrostatic bond between two ions formed through the transfer of one or more electrons.
  2. /the temperature at which a given solid will melt.
  3. /Any of several forces, especially the ionic bond, covalent bond, and metallic bond, by which atoms or ions are bound in a molecule or crystal.
  4. Bond /A type of covalent bond between two atoms in which electrons are shared unequally. Because of this, one end of the molecule has a slightly negative charge and the other a slightly positive charge. See more at covalent bond.
  5. /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.
  6. /relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
  7. /a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance
  8. /containing no permanently dipolar molecules; lacking a dipole.
Down
  1. /an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  2. /a chemical process where a solid turns into a gas without going through a liquid stage.
  3. /a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  4. /a usually reversible change in the physical properties of a substance, as size or shape
  5. / also known as a molecular ion, is a charged chemical species composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit.
  6. /Binary a number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound.
  7. /a representation of a substance using symbols for its constituent elements.
  8. /a substance that is formed as the result of a chemical reaction.
  9. /the temperature at which a liquid boils and turns to vapor.
  10. /a substance that takes part in and undergoes change during a reaction.
  11. /an ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge, typically at low pressures (as in the upper atmosphere and in fluorescent lamps) or at very high temperatures (as in stars and nuclear fusion reactors).
  12. /chemical compound composed of only two elements

20 Clues: /chemical compound composed of only two elements • /the temperature at which a given solid will melt. • /the temperature at which a liquid boils and turns to vapor. • /containing no permanently dipolar molecules; lacking a dipole. • /a substance that is formed as the result of a chemical reaction. • ...

Metabolism 2020-10-09

Metabolism crossword puzzle
Across
  1. type of inhibitor that does not bind to the active site
  2. site where non-competitive inhibitors bind to
  3. released during catabolic reactions
  4. products have a low ____ for the active site
  5. the energy required to initially break chemical bonds for a reaction to occur
  6. type of inhibition involving the end product of a pathway
  7. all the chemical reactions taking place inside cells
  8. enzymes do this to activation energy
  9. the ability of the active site to change shape to fit more closely to a substrate molecule
Down
  1. reaction breaking larger molecules into smaller ones
  2. type of inhibition that can be overcome by increasing substrate concentration
  3. a chemical reactions releasing energy from food
  4. provide a surface or compartment for metabolic pathways to occur
  5. the active site ensures substrates are correctly ___ for a reaction to take place
  6. reversible steps can allow _____ pathways
  7. protein embed in membrane which catalyses reactions
  8. metabolic reaction synthesising larger molecules requiring energy
  9. structure on membrane which transfers specific ions through against a concentration gradient
  10. structure on membrane which allow specific molecules to diffuse through

19 Clues: released during catabolic reactions • enzymes do this to activation energy • reversible steps can allow _____ pathways • products have a low ____ for the active site • site where non-competitive inhibitors bind to • a chemical reactions releasing energy from food • protein embed in membrane which catalyses reactions • ...

Science Vocab Words 2025-02-13

Science Vocab Words crossword puzzle
Across
  1. A substance created during a chemical reaction
  2. the basic unit of a chemical element.
  3. A substance that takes part in and undergoes change during a chemical reaction
  4. absorbing heat
  5. The process by which one or more substances
  6. a thing that is composed of two or more separate element
Down
  1. A chemical reaction in which heat is released
  2. to produce one or more different substances
  3. A chemical reaction in which heat is absorbed
  4. Releasing heat

10 Clues: Releasing heat • absorbing heat • the basic unit of a chemical element. • to produce one or more different substances • The process by which one or more substances • A chemical reaction in which heat is released • A chemical reaction in which heat is absorbed • A substance created during a chemical reaction • a thing that is composed of two or more separate element • ...

Chemical Reactions & Energy 2024-10-23

Chemical Reactions & Energy crossword puzzle
Across
  1. Substances that are formed as a result of a chemical reaction.
  2. A substance made up of only one type of atom.
  3. A chemical reaction that absorbs energy/heat from its surroundings.
  4. Easily evaporated at normal temperatures; can change quickly
  5. To breathe something in through your nose/mouth.
  6. Substances that undergo a chemical change in a reaction.
  7. A person who designs, builds, or maintains engines, machines, or structures.
Down
  1. Limits or restrictions that affect how something can be done.
  2. Careful study or investigation to discover new information.
  3. Observable events or occurrences that can be studied.
  4. To eat/drink something
  5. A chemical reaction that releases energy in the form of heat.
  6. Standards or rules used to judge or decide something.

13 Clues: To eat/drink something • A substance made up of only one type of atom. • To breathe something in through your nose/mouth. • Observable events or occurrences that can be studied. • Standards or rules used to judge or decide something. • Substances that undergo a chemical change in a reaction. • Careful study or investigation to discover new information. • ...

Science 2017-02-27

Science crossword puzzle
Across
  1. another word for base
  2. Increasing the _______ increases the collisions per second and increasing the rate of reaction
  3. No atoms are gained or lost during any reaction
  4. A chemical that accepts a hydrogen
  5. a measure of the concentration of hydronion ions
  6. These must be moving fast enough to overcome the energy of activation
  7. these do not ionize completely in water
Down
  1. how quickly the concentration of reactants decreases and how quickly the concentration of products increases
  2. A substance that lowers the activation energy of a chemical reaction
  3. where a number is raised by the power of 10
  4. ionize completely in water
  5. Acids do what?
  6. The minimum energy required to overcome then initial breaking of bonds in a reaction
  7. bases do what?
  8. A chemical that donates a hydrogen

15 Clues: Acids do what? • bases do what? • another word for base • ionize completely in water • A chemical that accepts a hydrogen • A chemical that donates a hydrogen • these do not ionize completely in water • where a number is raised by the power of 10 • No atoms are gained or lost during any reaction • a measure of the concentration of hydronion ions • ...

Science Vocab Words 2025-02-13

Science Vocab Words crossword puzzle
Across
  1. A substance created during a chemical reaction
  2. the basic unit of a chemical element.
  3. A substance that takes part in and undergoes change during a chemical reaction
  4. absorbing heat
  5. The process by which one or more substances
  6. a thing that is composed of two or more separate element
Down
  1. A chemical reaction in which heat is released
  2. to produce one or more different substances
  3. A chemical reaction in which heat is absorbed
  4. Releasing heat

10 Clues: Releasing heat • absorbing heat • the basic unit of a chemical element. • to produce one or more different substances • The process by which one or more substances • A chemical reaction in which heat is released • A chemical reaction in which heat is absorbed • A substance created during a chemical reaction • a thing that is composed of two or more separate element • ...

Physical and Chemical Changes 2025-10-13

Physical and Chemical Changes crossword puzzle
Across
  1. : Example of a chemical change when metal reacts with oxygen
  2. : Matter is not created or destroyed, only changes form
  3. : A change that can be undone
  4. : A characteristic that describes how a substance reacts
  5. : A change that creates one or more new substances with different properties
  6. : Example of a chemical change that gives off light and heat
  7. : A change in this can indicate a chemical reaction
  8. : Energy given off during a chemical change
  9. : Mixing a solid in a liquid without forming a new substance
  10. : Change in this can show a chemical reaction has occurred
  11. : A new smell appearing is a sign of a chemical change
  12. : Bubbles or fizzing show this has been produced in a chemical change
Down
  1. : A change that cannot be undone
  2. : Anything that has mass and takes up space
  3. : Example of a physical change when ice becomes water
  4. : A change in the size, shape, or state of matter — no new substance is formed
  5. : A physical change when liquid water becomes gas
  6. : This can be produced during some chemical reactions
  7. : A characteristic that can be observed without changing the substance

19 Clues: : A change that can be undone • : A change that cannot be undone • : Anything that has mass and takes up space • : Energy given off during a chemical change • : A physical change when liquid water becomes gas • : A change in this can indicate a chemical reaction • : Example of a physical change when ice becomes water • ...

Photosynthesis & Respiration 2022-04-13

Photosynthesis & Respiration crossword puzzle
Across
  1. "without oxygen"
  2. "with oxygen"
  3. type of fermentation that we use to bake bread and make beer
  4. organism that can make its own food
  5. organelle where photosynthesis takes place
  6. process that converts H2O, CO2, and light into glucose and oxygen
  7. process in which glucose is broken down WITHOUT oxygen to release energy
  8. what goes into a chemical reaction (ingredients)
  9. process in which glucose is broken down using oxygen into H20, CO2, and energy
Down
  1. another word for "autotroph"
  2. organism that must obtain its food from other sources
  3. what comes out of a chemical reaction
  4. C6H12O6
  5. organelle where cellular respiration takes place
  6. another word for "heterotroph"
  7. type of energy molecule the cell can readily use
  8. type of fermentation that occurs in our muscle cells
  9. protein that speeds up a chemical reaction
  10. light-capturing pigment that makes plants green

19 Clues: C6H12O6 • "with oxygen" • "without oxygen" • another word for "autotroph" • another word for "heterotroph" • organism that can make its own food • what comes out of a chemical reaction • organelle where photosynthesis takes place • protein that speeds up a chemical reaction • light-capturing pigment that makes plants green • organelle where cellular respiration takes place • ...

Biology 2023-09-01

Biology crossword puzzle
Across
  1. Beginning of a chemical reaction
  2. protein; acts as a catalyst to accelerate a chemical reaction
  3. A system that brings air into the body and removes carbon dioxide
  4. a system breaks down food and absorbs nutrients
  5. A type of nucleic acid, there is 2
  6. A group of atoms bonded together
  7. a system that enables body to move and maintain structur (They are different)
  8. End of a chemical reaction
  9. first steps to cell organization
Down
  1. Smallest particle of an element
  2. Another type of nucleic acid, not the same as the last one
  3. A system that processes information based on 5 senses
  4. a system that develops offspring
  5. One thing that a carbohydrate is made of
  6. A science involving living things
  7. What eukaryotes have, but a prokaryote doesn't have
  8. a system that enables body to move and maintain structur (they are different)
  9. Example of a eukaryotes; is plural
  10. Two or more elements combined
  11. What plant cells have (2 words put into 1)

20 Clues: End of a chemical reaction • Two or more elements combined • Smallest particle of an element • Beginning of a chemical reaction • a system that develops offspring • A group of atoms bonded together • first steps to cell organization • A science involving living things • A type of nucleic acid, there is 2 • Example of a eukaryotes; is plural • ...

Chemistry crossword 2017-03-23

Chemistry crossword crossword puzzle
Across
  1. rate: how fast or slow a reaction proceeds.
  2. solution of ionic substances.
  3. a long-chain molecule formed by the joining of many
  4. into simpler substances.
  5. the number of active molecules in a set volume of
  6. concentration of hydrogen ions.
  7. into solution.
  8. reaction: a reaction use to produce solid products
  9. a reaction that involves the building up of compounds
  10. ion: an ion that does not take part in a
  11. reaction: a reaction that involves the combination of
  12. acid: an acid which most of its molecules release hydrogen
  13. a strong acid readily releases a hydrogen ion in a
  14. process of joining of smaller unit[monomers] to
  15. repeating molecules[monomer].
Down
  1. a small number of active molecules [such as acid] in a
  2. a mixture of a solute dissolved in a solvent such as
  3. a molecule that contain only carbon and hydrogen atom.
  4. A substance that increase the rate of a reaction but is
  5. a metal salt and water.
  6. combining simpler substances' normally elements.
  7. a small molecule from which polymers are made.
  8. acid: this refer to an acid solution with a
  9. theory: a theory that starting that the particles involved
  10. a reaction in which an acid and a base combine to
  11. An an object or substance that can be
  12. a reaction that involved a breakdown of a
  13. an insoluble compound formed in a precipitation
  14. a chemical reaction must collide in order to react.
  15. a long-chain molecule[polymer].
  16. with a fuel or metal.
  17. used in the reaction.
  18. reaction; can also be use to the bond between different
  19. down by bacteria.fungi and other living organisms.

34 Clues: into solution. • with a fuel or metal. • used in the reaction. • a metal salt and water. • into simpler substances. • solution of ionic substances. • repeating molecules[monomer]. • concentration of hydrogen ions. • a long-chain molecule[polymer]. • An an object or substance that can be • ion: an ion that does not take part in a • a reaction that involved a breakdown of a • ...

Chemistry Crossword 2017-11-16

Chemistry Crossword crossword puzzle
Across
  1. catalyst involved in chemical reactions in living things
  2. metal the first column of the periodic table excluding hydrogen,that a really reactive in air and water
  3. at table in which elements are organized by their physical and chemical properties
  4. chemical change that occurs when oxygen in the air reacts with a metal
  5. a pure substance formed when at least on metal and one non metal combine
  6. ability to pound and roll into flat sheets
  7. neutral particle in the nucleus of an atom
  8. workplace hazardous information material system
  9. the degree to which a specified material conducts electricity
  10. Mass of Reactants= Mass of Products
  11. group 18 in periodic table, they are the most stable and nonreactive elements.
  12. substance that helps a chemical reaction proceed more quickly
  13. horizontal row of elements in the periodic table
Down
  1. invisible negatively charged particle that orbits the nucleus of and atom
  2. a pure substance formed when two non metals combine
  3. element that has both metallic and non metallic properties
  4. can be stretched into wire
  5. the mass of an element measured in amu
  6. chemical reaction that absorbs energy
  7. chemical reaction that releases energy
  8. what everything is made up of
  9. shininess of a metal
  10. Irreversible change
  11. number of protons in the nucleus of one atom of an element
  12. positively charged particle in the nucleus of an atom

25 Clues: Irreversible change • shininess of a metal • can be stretched into wire • what everything is made up of • Mass of Reactants= Mass of Products • chemical reaction that absorbs energy • the mass of an element measured in amu • chemical reaction that releases energy • ability to pound and roll into flat sheets • neutral particle in the nucleus of an atom • ...

Balancing Equations 2023-04-19

Balancing Equations crossword puzzle
Across
  1. process that changes one set of chemicals into another set of chemicals
  2. the basic unit of a chemical element.
  3. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  4. Matter Cannot be Created or Destroyed . So, chemical reactions/equations must be balanced
  5. Ending materials in a chemical reaction.
Down
  1. A number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound.
  2. Symbols that show the elements in a compound and the ratio of atoms
  3. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  4. elements or compounds that enter into a chemical reaction
  5. The product of a chemical reaction/the arrow in a chemical reaction.

10 Clues: the basic unit of a chemical element. • Ending materials in a chemical reaction. • elements or compounds that enter into a chemical reaction • Symbols that show the elements in a compound and the ratio of atoms • The product of a chemical reaction/the arrow in a chemical reaction. • process that changes one set of chemicals into another set of chemicals • ...

Unit 2 2022-03-25

Unit 2 crossword puzzle
Across
  1. requires cellular energy
  2. where enzymes are
  3. type of diffusion that needs water
  4. combination of atoms
  5. what goes into an enzyme
  6. combined to form cells
  7. changed from original
  8. located in the cell membrane
  9. basic units of matter
  10. lets certain things pass
  11. hates water
Down
  1. energy that starts the chemical reaction enzyme chemical reaction of living things metabolisms
  2. something alive
  3. does not need energy to move
  4. combine to form organs
  5. make up an organ system
  6. likes water
  7. makes living things
  8. pulling apart
  9. system makes a working organism
  10. made of enzymes

21 Clues: likes water • hates water • pulling apart • something alive • made of enzymes • where enzymes are • makes living things • combination of atoms • changed from original • basic units of matter • combine to form organs • combined to form cells • make up an organ system • requires cellular energy • what goes into an enzyme • lets certain things pass • does not need energy to move • ...

Chemistry Crossword 2023-09-19

Chemistry Crossword crossword puzzle
Across
  1. The study of the properties of matter and how matter changes.
  2. A change in matter that forms one or more new substances.
  3. The smallest particle of an element.
  4. In Chemistry, a one-letter or two-letter set of characters used to identify an element.
  5. A solid that forms from solution during a chemical reaction.
  6. The fact that during a chemical reaction, matter cannot be created or destroyed, only rearranged into new substances.
  7. A number placed in front of a chemical formula.
  8. A change that alters the form or appearance of a material but does not convert the material into a new substance.
  9. The force holding atoms together.
  10. The materials you have at the beginning of a chemical reaction.
Down
  1. In a chemical formula, the number of atoms of an element in a molecule.
  2. A shorter, easier way to show chemical reactions using symbols instead of words.
  3. Anything that has mass and takes up space.
  4. A well mixed mixture.
  5. A particle made of two or more atoms bonded together.
  6. The materials you have at the end of a chemical reaciton.
  7. A combination of symbols that represent the elements in a compound.
  8. A substance made of two or more elements chemically combined.
  9. A substance that cannot be broken down into any other substances.
  10. Consists of two or more pure substances that are in the same place but are not chemically combined.

20 Clues: A well mixed mixture. • The force holding atoms together. • The smallest particle of an element. • Anything that has mass and takes up space. • A number placed in front of a chemical formula. • A particle made of two or more atoms bonded together. • A change in matter that forms one or more new substances. • The materials you have at the end of a chemical reaciton. • ...

Balancing Equations 2023-04-19

Balancing Equations crossword puzzle
Across
  1. process that changes one set of chemicals into another set of chemicals
  2. the basic unit of a chemical element.
  3. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  4. Matter Cannot be Created or Destroyed . So, chemical reactions/equations must be balanced
  5. Ending materials in a chemical reaction.
Down
  1. A number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound.
  2. Symbols that show the elements in a compound and the ratio of atoms
  3. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  4. elements or compounds that enter into a chemical reaction
  5. The product of a chemical reaction/the arrow in a chemical reaction.

10 Clues: the basic unit of a chemical element. • Ending materials in a chemical reaction. • elements or compounds that enter into a chemical reaction • Symbols that show the elements in a compound and the ratio of atoms • The product of a chemical reaction/the arrow in a chemical reaction. • process that changes one set of chemicals into another set of chemicals • ...

Balancing Equations 2023-04-19

Balancing Equations crossword puzzle
Across
  1. process that changes one set of chemicals into another set of chemicals
  2. the basic unit of a chemical element.
  3. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  4. Matter Cannot be Created or Destroyed . So, chemical reactions/equations must be balanced
  5. Ending materials in a chemical reaction.
Down
  1. A number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound.
  2. Symbols that show the elements in a compound and the ratio of atoms
  3. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  4. elements or compounds that enter into a chemical reaction
  5. The product of a chemical reaction/the arrow in a chemical reaction.

10 Clues: the basic unit of a chemical element. • Ending materials in a chemical reaction. • elements or compounds that enter into a chemical reaction • Symbols that show the elements in a compound and the ratio of atoms • The product of a chemical reaction/the arrow in a chemical reaction. • process that changes one set of chemicals into another set of chemicals • ...

chapter 16 2014-12-12

chapter 16 crossword puzzle
Across
  1. thermal enery must be added
  2. reaction/ two or more compound unite to form one compound
  3. thermal energy released
  4. reaction/ breakdown of one substance
  5. substances left of the arrow
  6. mass/ sum of the masses of the atoms or ions present in the formulaic a compound
  7. substance that may tie up reactions or catalysts
  8. insoluble substance crystallizes out of solution
  9. equation/ shows changes that take place during a chemical reaction
  10. displacement reaction/ one element displaces another form a compound
  11. substances right of the arrow
Down
  1. numbers in front of the symbols
  2. when inhibitors are added to foods
  3. mass/ sum of the average atomic masses of the atoms in a molecule
  4. speeds up a reaction without being permanently changed itself
  5. displacement reaction/ positive part of one compound unites with the negative part of another

16 Clues: thermal energy released • thermal enery must be added • substances left of the arrow • substances right of the arrow • numbers in front of the symbols • when inhibitors are added to foods • reaction/ breakdown of one substance • substance that may tie up reactions or catalysts • insoluble substance crystallizes out of solution • ...

Chapter 7 Revision Sheet 2016-05-20

Chapter 7 Revision Sheet crossword puzzle
Across
  1. The ability to do work
  2. The new substances that are formed during a chemical reaction
  3. Reactions in which a substance reacts with oxygen and heat is released
  4. An ion with a negative charge
  5. The law of … which states that matter can be neither created nor destroyed during a chemical reaction.
  6. What takes place when the bonds between atoms are broken and new bonds are formed, creating a new arrangement of atoms and at least one new substance.
  7. Element represented by the letter K
  8. The number that tells you how many atoms are in a molecule
  9. Complete the equation: methane + oxygen —> _____ ______ + water
  10. Chemical reactions that release energy
  11. Chemical reactions that absorb energy from their surroundings
  12. All chemical equations need to be _______
  13. Combustion reactions are examples of ______ reactions
  14. Complete the equation: hydrogen + _____ —> water
  15. The shell which can hold up to 18 electrons
Down
  1. The protons and neutrons in an atom make up the _____
  2. The original substances in a chemical reaction
  3. The number that tells you how many molecules are in an equation
  4. A change of state is an example of a _____ change
  5. A charged atom
  6. The law of ... which states that a compound, no matter how it is formed, always contains the same relative amounts of each element.
  7. The substance that reacts with oxygen in a combustion reaction
  8. The number of protons on an atom. Determines the element
  9. What Alfred Nobel invented
  10. An atom with a different number of protons and neutrons
  11. The number that tells you the charge of an ion
  12. Number of electrons the first shell can hold
  13. An ion with a positive charge

28 Clues: A charged atom • The ability to do work • What Alfred Nobel invented • An ion with a negative charge • An ion with a positive charge • Element represented by the letter K • Chemical reactions that release energy • All chemical equations need to be _______ • The shell which can hold up to 18 electrons • Number of electrons the first shell can hold • ...

CHEMICAL KINETICS 2023-05-31

CHEMICAL KINETICS crossword puzzle
Across
  1. Chemical reaction that releases energy
  2. Substance which helps speed up a reaction but is not used in the reaction.
  3. Elements or compound yielded from a reaction.
  4. Measured by the change in concentration with time.
  5. How fast does a reaction proceed.
  6. Theory used to predict the rates of chemical reactions.
Down
  1. Chemical reaction that absorbs energy
  2. Initial energy is needed to start a chemical reaction.
  3. For every 10oC temperature increase, the rate of reaction

9 Clues: How fast does a reaction proceed. • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Elements or compound yielded from a reaction. • Measured by the change in concentration with time. • Initial energy is needed to start a chemical reaction. • Theory used to predict the rates of chemical reactions. • ...

Changes 2014-11-24

Changes crossword puzzle
Across
  1. You can measure this change with a thermometer.
  2. This means something cannot be undone, like a chemical change.
  3. You might see this change during a chemical reaction.
  4. This type of change is what chemists study.
  5. You can do this to things that haven't reacted.
Down
  1. (4,8) This can be written to show a chemical reaction.
  2. You can observe this when gas is made, lots of bubbles.
  3. A chemical reaction sometimes goes off with a BANG.
  4. This means something can be undone, like a physical change
  5. If a reaction glows it is giving off......
  6. This type of change isn't permanent

11 Clues: This type of change isn't permanent • If a reaction glows it is giving off...... • This type of change is what chemists study. • You can measure this change with a thermometer. • You can do this to things that haven't reacted. • A chemical reaction sometimes goes off with a BANG. • You might see this change during a chemical reaction. • ...

Property of Matter 2014-12-15

Property of Matter crossword puzzle
Across
  1. a physical change is a change which the _____ of the substance does not change(mass)
  2. this anything that had mass and occupies space (matter)
  3. we use our sense of smell to identify a (fragrance)
  4. a change in which a new substance is formed (chemical)
  5. chemical change occurs in your body when eat food (digestion)
  6. burning or_______ is a form of chemical change(combustion)
  7. matter may undergo either a physical or chemical change during this (reaction)
  8. This chemical change happens when a plant uses carbon dioxide +sunlight +water to create glucose (photosynthesis).
  9. you use this sense to identify the example frequency (hearing)
  10. another name for frequency (pitch)
  11. we use the sense touch to identify the example of property called (weight)
  12. the formation of a _______ that does not involve a chemical reaction is known as a physical change.(solution)
Down
  1. this is the sense that uses the example property of colour, shape, size and solubility (sight)
  2. we use the sense touch to identify(texture)
  3. a chemical change is a _____ change which is irreversible.(permanent)
  4. how your mother prepares a meal this is an example of this chemical change (cooking)
  5. substances poses certain characteristics which distinguished them from one another these are referred to as (properties)
  6. a physical property is a characteristic determined without bringing about a change in the _____ of a substance (composition)
  7. we use the sense taste to identify the example of property (flavour)
  8. we identify physical properties by using our_____ (senses)
  9. a chemical property explains how a ________ behaves during a chemical change(substance).
  10. this chemical change happens when organic matter is(decomposed)
  11. in this change of matter energy in the form of heat or light is not given out or absorbed (physical)
  12. a physical change is a _______ change which is reversible(temporary)
  13. we identify the example of property temperature by the sense of (touch)

25 Clues: another name for frequency (pitch) • we use the sense touch to identify(texture) • we use our sense of smell to identify a (fragrance) • a change in which a new substance is formed (chemical) • this anything that had mass and occupies space (matter) • we identify physical properties by using our_____ (senses) • ...

Unit 6 Vocab Chemistry 2022-03-18

Unit 6 Vocab Chemistry crossword puzzle
Across
  1. the species formed from chemical reactions
  2. the process or effect of simplifying a single chemical entity into two or more fragments
  3. 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
  4. the process where a solute in gaseous, liquid, or solid phase dissolves in a solvent to form a solution
Down
  1. a chemical process involving the exchange of bonds between two reacting chemical species which results in the creation of products with similar or identical bonding affiliations
  2. a chemical reaction in which one element is replaced by another in a compound
  3. states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations
  4. the symbolic representation of a chemical reaction in the form of symbols and formula
  5. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame
  6. a substance that takes part in and undergoes change during a reaction
  7. the process of transforming a dissolved substance into an insoluble solid from a supersaturated solution
  8. the artificial execution of chemical reactions to obtain one or several products

12 Clues: the species formed from chemical reactions • a substance that takes part in and undergoes change during a reaction • a chemical reaction in which one element is replaced by another in a compound • the artificial execution of chemical reactions to obtain one or several products • ...

Science Crossword Puzzle 2024-09-10

Science Crossword Puzzle crossword puzzle
Across
  1. The charge of an electron
  2. Basic substance, pH above 7
  3. Reaction type that releases heat
  4. Process of combining elements to form compounds
  5. The smallest unit of matter
  6. Chemical reaction result
Down
  1. The process of a liquid turning into gas
  2. A type of chemical bond formed by sharing electrons
  3. A measure of acidity
  4. Substance that speeds up a chemical reaction
  5. The chemical symbol for gold

11 Clues: A measure of acidity • Chemical reaction result • The charge of an electron • Basic substance, pH above 7 • The smallest unit of matter • The chemical symbol for gold • Reaction type that releases heat • The process of a liquid turning into gas • Substance that speeds up a chemical reaction • Process of combining elements to form compounds • ...

UNIT 3: VOCABULARY TERMS 2024-12-12

UNIT 3: VOCABULARY TERMS crossword puzzle
Across
  1. A reaction in which one element is substituted for another in a compound.
  2. Reaction Always yields CO2 and H2O
  3. Yields a compound from two elements/compounds
  4. Chemicals at start of a chemical reaction
  5. An order of reactivity
  6. The ratio between moles in one substance to moles in another
Down
  1. A large number in front of chemical equations
  2. Determines when the reaction stops
  3. "Dancing partners" get new partners
  4. Breaks down a compound AB--> A + B
  5. Result in a chemical reaction

11 Clues: An order of reactivity • Result in a chemical reaction • Determines when the reaction stops • Breaks down a compound AB--> A + B • Reaction Always yields CO2 and H2O • "Dancing partners" get new partners • Chemicals at start of a chemical reaction • A large number in front of chemical equations • Yields a compound from two elements/compounds • ...

Chemical Reactions 2022-10-06

Chemical Reactions crossword puzzle
Across
  1. ________ reactions create a new substance
  2. Tells you how many of that same element is in a compound
  3. everything after the arrow in a chemical equation
  4. Everything before the arrow in a chemical equation
  5. ________ electrons bond atoms
Down
  1. Reaction is cooler than surroundings
  2. Reaction is warmer than surroundings
  3. We mix chemicals in this glass object
  4. What is energy?
  5. What kind of reaction is tearing paper?
  6. Tells you how many compounds there are
  7. Energy is released to _______ new bonds
  8. Energy is needed to ______ bonds

13 Clues: What is energy? • ________ electrons bond atoms • Energy is needed to ______ bonds • Reaction is cooler than surroundings • Reaction is warmer than surroundings • We mix chemicals in this glass object • Tells you how many compounds there are • What kind of reaction is tearing paper? • Energy is released to _______ new bonds • ________ reactions create a new substance • ...

Photocatalytic activity of cerium dioxide nanoparticles 2022-03-15

Photocatalytic activity of cerium dioxide nanoparticles crossword puzzle
Across
  1. A small tube-like container designed to hold samples for spectroscopic measurements
  2. The acceleration of a photoreaction in the presence of a catalyst
  3. The chemical process of simplifying a chemical object into two or more fragments
  4. A unit of length in the metric system equal to one billionth of a metre
  5. The colored substance that chemically bonds to the substrate to which it is being applied
  6. A form of electromagnetic radiation with wavelength from 10 to 400 nm, shorter than that of visible light, but longer than X-rays
  7. The chemical element with 58 protons in its nucleus
  8. A material which electrical conductivity value falling between that of a conductor and an insulator
  9. A chemical substance which speeds up a chemical reaction without consuming in it
  10. Materials of which a single unit small sized (in at least one dimension) between 1 and 100 nm
  11. A chemical substance which slows down a chemical reaction without consuming in it
Down
  1. The process of increasing the rate of a chemical reaction by adding a special substance
  2. A branch of electromagnetic spectroscopy concerned with the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength
  3. The class of substances to which cerium belongs
  4. The degree to which a chemical substance can damage an organism
  5. A property that describes a material’s ability to absorb the power of a given light that is passed through that material (Optical '...')
  6. The property of aqueous solution which can be specified by the pH scale
  7. The property of electromagnetic radiation which describes how matter takes up a photon's energy
  8. An atom or a molecule with a positive electrical charge
  9. An atom or a molecule with a negative electrical charge

20 Clues: The class of substances to which cerium belongs • The chemical element with 58 protons in its nucleus • An atom or a molecule with a positive electrical charge • An atom or a molecule with a negative electrical charge • The degree to which a chemical substance can damage an organism • The acceleration of a photoreaction in the presence of a catalyst • ...

Chemical Reactions & Reaction Types 2022-05-18

Chemical Reactions & Reaction Types crossword puzzle
Across
  1. reaction where heat is absorbed
  2. AB yields A+B
  3. matter is neither created nor destroyed
  4. hydrocarbon + O2 yields CO2 + H2O
  5. AB + CD yields AC + BD
  6. reaction where heat is released
  7. AB + C yields AC + B
Down
  1. what we call atoms that stick together on both sides of the equation (ex: PO4, SO3, OH)
  2. we can change this number while balancing equations
  3. what we call the group of these 7 molecules: H2, N2, O2, F2, Cl2, Br2, I2
  4. what we call elements and compounds on the left side of the arrow
  5. small number we cannot add, take away or change when balancing equations
  6. A+B yields AB
  7. what we call elements and compounds on the right side of the arrow

14 Clues: AB yields A+B • A+B yields AB • AB + C yields AC + B • AB + CD yields AC + BD • reaction where heat is absorbed • reaction where heat is released • hydrocarbon + O2 yields CO2 + H2O • matter is neither created nor destroyed • we can change this number while balancing equations • what we call elements and compounds on the left side of the arrow • ...

Unit 4 vocab 2023-11-21

Unit 4 vocab crossword puzzle
Across
  1. that is present at the end of a chemical reaction
  2. occurs when two or more combine to form a single product
  3. a chemical formula showing the simplest ratio of elements in a compound instead of a toal # of elements
  4. ionic compound that contains a cation and anion
  5. a measure of how acidic or basic a substance is
  6. the mass in grams of one mole of a substance
  7. tells you mass by what percent each element is present in a compound
  8. chemical substance,usually liquid, reacts with other substances
  9. when an acid or base react to form water and a salt
  10. chemical formula that gives total # of atoms each element present in a molecule
Down
  1. occurs when parrts of 2 ionic compounds are exchanged, making 2 new compounds
  2. a reaction in which a substance reacts with oxugen gas, releasing energy in the form of light and heat
  3. a reaction in which a compound breaks down into 2 or more simpler substances
  4. molecules that contain only two atoms bonded to one another
  5. substance that can neutralize acids
  6. a substance that enters into and is altered in the course of a chemical reaction

16 Clues: substance that can neutralize acids • the mass in grams of one mole of a substance • ionic compound that contains a cation and anion • a measure of how acidic or basic a substance is • that is present at the end of a chemical reaction • when an acid or base react to form water and a salt • occurs when two or more combine to form a single product • ...

DanielA 9L 2017-11-15

DanielA 9L crossword puzzle
Across
  1. group 18 in periodic table, they are the most stable and nonreactive elements.
  2. horizontal row of elements in the periodic table
  3. chemical reaction that releases energy
  4. positively charged particle in the nucleus of an atom
  5. chemical reaction that absorbs energy
  6. the degree to which a specified material conducts electricity
  7. a pure substance formed when two non metals combine
  8. ability to pound and roll into flat sheets
  9. metal the first column of the periodic table excluding hydrogen,that a really reactive in air and water
  10. substance that helps a chemical reaction proceed more quickly
  11. workplace hazardous information material system
Down
  1. at table in which elements are organized by their physical and chemical properties
  2. number of protons in the nucleus of one atom of an element
  3. a pure substance formed when at least on metal and one non metal combine
  4. catalyst involved in chemical reactions in living things
  5. neutral particle in the nucleus of an atom
  6. Mass of Reactants= Mass of Products
  7. Irreversible change
  8. invisible negatively charged particle that orbits the nucleus of and atom
  9. chemical change that occurs when oxygen in the air reacts with a metal
  10. element that has both metallic and non metallic properties
  11. the mass of an element measured in amu
  12. shininess of a metal
  13. what everything is made up of
  14. can be stretched into wire

25 Clues: Irreversible change • shininess of a metal • can be stretched into wire • what everything is made up of • Mass of Reactants= Mass of Products • chemical reaction that absorbs energy • chemical reaction that releases energy • the mass of an element measured in amu • neutral particle in the nucleus of an atom • ability to pound and roll into flat sheets • ...

Reactions 2024-05-06

Reactions crossword puzzle
Across
  1. An arrow in a chemical reaction
  2. Item on the left side of a reaction
  3. the ability to dissolve another substance
  4. bond that shares electrons
  5. absorbs energy
  6. most common polar molecule
  7. number in front of a product or reactant
Down
  1. has a relatively high pH
  2. Item on the right side of a reaction
  3. a solid that forms in a chemical reaction
  4. has a relatively low pH
  5. bond that transfers electrons
  6. releases energy

13 Clues: absorbs energy • releases energy • has a relatively low pH • has a relatively high pH • bond that shares electrons • most common polar molecule • bond that transfers electrons • An arrow in a chemical reaction • Item on the left side of a reaction • Item on the right side of a reaction • number in front of a product or reactant • a solid that forms in a chemical reaction • ...

Chapter 2 Extra Credit 2022-09-19

Chapter 2 Extra Credit crossword puzzle
Across
  1. macromolecule that insulates your body
  2. type of bond formed by sharing electrons
  3. when water loves water
  4. an even distribution of ions
  5. the reactants in a chemical reaction involving an enzyme
  6. monomer of a nucleic acid
  7. macromolecule that builds bodies
  8. macromolecule that gives immediate energy
  9. monomer of a carbohydrate
  10. the substance being dissolved
  11. slight attraction of partially charged areas
  12. subatomic particle with a positive charge
  13. type of bond formed by transferring electrons
  14. the substance in which the solute dissolves in
  15. having less H+, 7-14 on the pH scale
  16. the building block of a polymer
  17. the energy needed to get a chemical reaction started
  18. monomer of a lipid
Down
  1. atom of same element with differing neutron number
  2. two substances together but not combined
  3. the compounds that come out of a chemical reaction
  4. macromolecule that makes up our genetic material
  5. when water loves another substance
  6. weak acid or base that prevents sudden changes in pH
  7. a charged atom
  8. negatively charged subatomic particle
  9. the center of an atom
  10. subatomic particle with no charge
  11. type of bond formed when two polar molecules attract
  12. when a solid substance is in a liquid, but does not dissolve
  13. the compounds that go into a chemical reaction
  14. chemical combination of two or more elements
  15. the basic unit of matter
  16. made up of one kind of atom
  17. the numerical representation of the H+ concentration in a solution
  18. a macromolecule
  19. having more H+, 0-7 on pH scale
  20. acid the monomer of a protein
  21. a protein catalyst that speeds up chemical reactions

39 Clues: a charged atom • a macromolecule • monomer of a lipid • the center of an atom • when water loves water • the basic unit of matter • monomer of a nucleic acid • monomer of a carbohydrate • made up of one kind of atom • an even distribution of ions • the substance being dissolved • acid the monomer of a protein • the building block of a polymer • having more H+, 0-7 on pH scale • ...

Crossword Bonus 2023-05-01

Crossword Bonus crossword puzzle
Across
  1. a device used to measure the energy absorbed or released as heat in a chemical reaction
  2. atoms of the same element with different numbers of neutrons
  3. a reaction that releases heat
  4. transfer of electrons
  5. when two liquids don't mix
  6. negative ion
  7. gaseous form of a substance
  8. diffusion through a tiny opening
  9. microscopic particles that are dispersed evenly
  10. a mixture that individual particles cannot be distinguished
Down
  1. two or more substances react to produce a single product
  2. a reaction that requires an input of energy
  3. atm pressure is released with this
  4. a small amount of solute per solvent quantity
  5. substances that vaporize easily
  6. transition of a substance directly from solid to gas
  7. substances that can be dissolved
  8. a substance that speeds up a chemical reaction
  9. a mixture that is not uniform
  10. oxygen combines with a substance and releases heat and light

20 Clues: negative ion • transfer of electrons • when two liquids don't mix • gaseous form of a substance • a reaction that releases heat • a mixture that is not uniform • substances that vaporize easily • substances that can be dissolved • diffusion through a tiny opening • atm pressure is released with this • a reaction that requires an input of energy • ...

Science Crossword Puzzle 2025-02-06

Science Crossword Puzzle crossword puzzle
Across
  1. A substance containing atoms of two or more elements bonded together.
  2. The energy released when atoms form bonds.
  3. The starting substances in a chemical reaction.
  4. The substances that appear at the end of a chemical reaction.
  5. The number placed in front of an element symbol in an equation.
  6. The process in which a plant turns sunlight, water, energy, carbon dioxide and hydrogen to make sugar glucose as food.
  7. Chemical bonds of glucose are broken, releasing energy.
Down
  1. More energy is absorbed than released in this reaction.
  2. Energy is never created or destroyed; it is just constantly being reused.
  3. Heat energy that causes molecules to move around.
  4. More energy is released than absorbed in this reaction.
  5. A small number located after an element symbol at the bottom and is the quantity of the element.
  6. Reaction One or more substances rearrange to form one or more new substances.
  7. A small particle that is the building block of all matter

14 Clues: The energy released when atoms form bonds. • The starting substances in a chemical reaction. • Heat energy that causes molecules to move around. • More energy is absorbed than released in this reaction. • More energy is released than absorbed in this reaction. • Chemical bonds of glucose are broken, releasing energy. • ...

1525 2025-11-16

1525 crossword puzzle
Across
  1. Cross-coupling reaction forming C–C bond
  2. Electron-donating species
  3. Decomposition by light
  4. Energy available to do work
  5. High-yield, modular reactions
  6. Coupling forming carbon-carbon triple bonds
  7. Proportionality in rate law
  8. Short-lived species in reaction
  9. Requires energy to occur
  10. Minimum energy to initiate reaction
  11. Palladium-catalyzed arylation reaction
  12. Species with unpaired electron
  13. Coupling using tin reagent
  14. Principle predicting reaction shift
  15. Balanced state of chemical reaction
Down
  1. Highest energy point along reaction path
  2. Quantum bit storing superposition of states
  3. Measure of disorder or randomness
  4. Reaction occurring without external input
  5. Step-by-step sequence of bond changes
  6. Reagent with magnesium-carbon bond
  7. Electron-seeking species
  8. Free energy determining spontaneity
  9. Compound containing metal-carbon bond
  10. Heat content at constant pressure

25 Clues: Decomposition by light • Electron-seeking species • Requires energy to occur • Electron-donating species • Coupling using tin reagent • Energy available to do work • Proportionality in rate law • High-yield, modular reactions • Species with unpaired electron • Short-lived species in reaction • Measure of disorder or randomness • Heat content at constant pressure • ...

CHANGES THAT MATERIALS UNDERGO 2024-08-12

CHANGES THAT MATERIALS UNDERGO crossword puzzle
Across
  1. It happens when a material undergoes a chemical reaction which results in the formation of new material.
  2. Those materials that rot or decay quickly.
  3. The ability of a material to react with other material.
  4. Materials such as plastics, metals, aluminum, glass and other metals.
  5. A toxic smoke with a very unpleasant smell that is also a product of a chemical reaction.
  6. When the enrichment of the water with chemical nutrients and would result to rapid increase of algae in the water.
  7. The result of harmful chemical reactions that occur in landfills, bodies of water and air.
  8. Substances or material that make up things that undergo chemical change.
Down
  1. The ability of a substance to be set on fire.
  2. It contain materials that can safely break down and decompose, similar to wood and paper.
  3. The tendency of a material to lose its quality due to a physical changes.
  4. This materials can break down biologically or chemically.
  5. A product of the chemical reaction between iron and oxygen.
  6. Occurs when silver sulfide forms on silverware, causing decay.
  7. The new substances of materials produced at the end of the reaction.

15 Clues: Those materials that rot or decay quickly. • The ability of a substance to be set on fire. • The ability of a material to react with other material. • This materials can break down biologically or chemically. • A product of the chemical reaction between iron and oxygen. • Occurs when silver sulfide forms on silverware, causing decay. • ...

Sciencing The Kelp Forest 2023-11-22

Sciencing The Kelp Forest crossword puzzle
Across
  1. movement of water across a membrane
  2. type of impact seen immediately
  3. effect from a stressor
  4. lower the pH of the ocean
  5. simplest energy model
  6. molecules before a chemical reaction
  7. capacity or number in a population for an area
  8. outward appearance or result of genetic trait
  9. type of factor that stops population growth
  10. type of transport that uses energy
  11. type of selection attached to random chance
Down
  1. reaction makes carbon carbon bonds
  2. species like elephants moving acacia seeds
  3. type of impact distant in space or time
  4. cycles like nitrogen
  5. cellular reaction that makes ATP
  6. living factor, like prey
  7. type of transport that does not use energy
  8. energy molecule for cells
  9. what shifts or changes in evolution
  10. energy model that quantifies trophic levels
  11. most complex model of energy flow
  12. molecules after a chemical reaction
  13. nonliving factor
  14. type of selection attached to an advantage

25 Clues: nonliving factor • cycles like nitrogen • simplest energy model • effect from a stressor • living factor, like prey • lower the pH of the ocean • energy molecule for cells • type of impact seen immediately • cellular reaction that makes ATP • most complex model of energy flow • reaction makes carbon carbon bonds • type of transport that uses energy • ...

2.3 Modeling Chemical Reactions 2019-11-06

2.3 Modeling Chemical Reactions crossword puzzle
Across
  1. The type of system when matter all stays in the same place.
  2. The type of system when matter can enter and escape.
  3. Type of reaction in which things are put together.
  4. Reaction in which one element replaces another element in a compound
  5. The law of ____________ of mass states that matter can not be created or destroyed.
  6. The little number below the letters in a chemical formula.
Down
  1. We use chemical ________________ to represent what is going on in a reaction.
  2. Type of reaction where compounds break into simpler products.
  3. Tells you how many of the molecules are in a reaction.
  4. Area where a chemical reaction occurs.
  5. A chemical equation bust be _______________.

11 Clues: Area where a chemical reaction occurs. • A chemical equation bust be _______________. • Type of reaction in which things are put together. • The type of system when matter can enter and escape. • Tells you how many of the molecules are in a reaction. • The little number below the letters in a chemical formula. • ...

9-12.P.1.4 2014-01-30

9-12.P.1.4 crossword puzzle
Across
  1. a chemical reaction in which two or more substances combine to forrm a different substance
  2. matter that is a combination of atoms of two or more elements
  3. a chemical reaction in which the positive ions in two or more substances trade places
  4. a neutral group of atoms that are joined together by one or more covalent bonds
  5. rapid oxidation, or burning
Down
  1. a chemical reaction in which one element replaces another element in a compound
  2. new substances formed as a result of a chemical reaction
  3. in a chemical reaction, the substance you start with before the reaction
  4. a chemical reaction in which a substance breaks down into two or more simpler substances
  5. an amount of a substance that contains approximately 6.02 X 10^23 particles of the substance

10 Clues: rapid oxidation, or burning • new substances formed as a result of a chemical reaction • matter that is a combination of atoms of two or more elements • in a chemical reaction, the substance you start with before the reaction • a chemical reaction in which one element replaces another element in a compound • ...

Chemistry Things 2021-04-13

Chemistry Things crossword puzzle
Across
  1. before reaction
  2. also comes in the chemical variety
  3. comes in the chemical variety
  4. found in a chemical reaction
Down
  1. has a law about its conservation
  2. anything that takes up space
  3. after reaction
  4. what an equation shouldn't be
  5. field that deals with chemicals
  6. what an equation should be

10 Clues: after reaction • before reaction • what an equation should be • anything that takes up space • found in a chemical reaction • what an equation shouldn't be • comes in the chemical variety • field that deals with chemicals • has a law about its conservation • also comes in the chemical variety