Vocab

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Across
  1. 3. an object that helps us understand
  2. 4. group of atoms joined together
  3. 6. something that can be observed
  4. 9. relative to size
  5. 12. can damage
  6. 14. change position
  7. 16. helps plants grow
Down
  1. 1. Made during a chemical reaction
  2. 2. atoms rearrange into new a new form
  3. 5. repeating atoms that link together
  4. 7. made of all the same atoms
  5. 8. types and numbers of atoms that repeat
  6. 10. temperature that changes into solid
  7. 11. tiny pieces that all matter
  8. 13. a temperature that changes liquid into gas
  9. 15. part of a chemical reaction