Chemistry

1234567891011121314151617181920212223
Across
  1. 3. Matter changes
  2. 5. Chemical, releases heat
  3. 6. Substance is transformed
  4. 7. Space occupied by an object
  5. 9. Combined, new
  6. 12. More than one atom
  7. 15. Hot & Cold
  8. 16. Atoms forced together
  9. 17. Observed, measured
  10. 20. Formed after chemical reaction
  11. 21. Stuff, takes up space
  12. 23. Elements don't chemically combine
Down
  1. 1. Capacity of doing work
  2. 2. Properties & Change in matter
  3. 4. Combined molecules
  4. 8. Speeds up chemical reaction
  5. 10. Can't be broken down
  6. 11. Energy transferred
  7. 13. Can change from reaction
  8. 14. Attractive force between substance
  9. 18. Chemical, absorbs heat
  10. 19. Smallest unit of matter
  11. 21. Matter of an object
  12. 22. Materials that undergo change