Matter & Energy

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Across
  1. 1. It may be noble or natural
  2. 4. Go directly from solid to gas
  3. 7. Has a fixed shape and volume
  4. 9. Change from solid to liquid
  5. 12. Amount of matter
  6. 13. Energy that flows from warm to cool
  7. 15. Capacity to do work
  8. 16. Flows but keeps its volume
Down
  1. 2. Short for “digits that matter” in measurements
  2. 3. Change from gas to liquid
  3. 5. Change from liquid to gas
  4. 6. Fourth state of matter
  5. 8. Mass per unit volume
  6. 9. Like lava or hot metal
  7. 10. What a chemist calculates
  8. 11. SI unit of energy
  9. 14. Change from liquid to solid