Chemical Reaction's

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