Chemical Reactions

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