Changes in Matter

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Across
  1. 3. what the starting substances are in a reaction
  2. 4. how particles move in a solid
  3. 6. reaction that creates a new substance
  4. 8. matter with particles fixed in position
  5. 10. there have to be the same number of these on both sides of a chemical equation
  6. 12. gas changing to a liquid
  7. 13. liquid changing to a gas all at once
  8. 16. reaction that releases heat
  9. 17. liquid changing to gas one layer at a time
  10. 18. reaction that absorbs heat
Down
  1. 1. a measure of the kinetic energy of the particles in a substance
  2. 2. solid changing to liquid
  3. 5. reaction that makes the substance look different but it's identity remains the same
  4. 6. the law that says matter cannot be created or destroyed
  5. 7. matter with particles that are touching but can move around
  6. 9. matter with particles very far apart and moving fast
  7. 11. what the ending substances are in a reaction
  8. 14. how particles move in a liquid
  9. 15. liquid changing to solid
  10. 16. an increase or decrease in this can cause a physical or chemical change