Chemistry energy and matter

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Across
  1. 2. made up of 2 or more different elements chemically combined
  2. 4. separation based on size,solubility
  3. 7. separation based on boiling point
  4. 9. a property that describes a chemical change
  5. 10. matter which has the same properties or characteristics
  6. 12. set of characteristics
  7. 14. same composition
  8. 15. energy that is stored
  9. 16. different composition
  10. 17. the ability to do work
  11. 19. consists of 2 or more substances
  12. 20. anything that has mass and volume
Down
  1. 1. release energy
  2. 3. energy of motion
  3. 5. absorb energy
  4. 6. separation based on size and charge
  5. 8. energy cant be created or destroyed
  6. 11. measure of average K.E
  7. 13. a property that depends on size
  8. 15. a property that can be observed
  9. 18. a substance that cant be broken down by a chemical change