Chemical Reaction Glossary

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Across
  1. 4. the tiny pieces that all matter-all the stuff in the world-is made of.
  2. 6. reaction a process in which atoms rearrange to form new substances.
  3. 7. formula letters and numbers showing the types and number of atoms that repeat to make up a substance.
  4. 10. structure a structure formed by repeating groups of atoms linked together in a large network.
  5. 13. a group of atoms joined together in a particular way.
  6. 15. to change the order or position of something.
  7. 16. something that can be observed about a substance, such as color, smell, or boiling point.
Down
  1. 1. able to cause damage.
  2. 2. point the temperature at which a substance changes from the liquid phase to the gas phase.
  3. 3. something that is made of all the same atoms or groups of atoms.
  4. 5. a substance that is added to soil to help plants grow.
  5. 8. a starting substance that is part of a chemical reaction.
  6. 9. point the temperature at which a substance changes from the solid phase to the liquid phase.
  7. 11. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see.
  8. 12. the relative size of things.
  9. 14. an ending substance that is made during a chemical reaction.