Matter and Energy Vocabulary

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Across
  1. 5. when a gas changes directly into a solid
  2. 7. any material that does not conduct heat easily
  3. 9. when a liquid turns into a gas
  4. 10. change when the molecules of matter change into a new substance
  5. 12. when matter changes properties but the molecules do not
  6. 16. the portrayal of someone in a particular way
  7. 18. anything that has mass and takes up space
  8. 19. when heat moves from one type of matter to another
  9. 20. when a liquid turns into a solid
  10. 21. a state of matter with a fixed shape and volume
Down
  1. 1. when a gas turns back into a liquid
  2. 2. a state of matter with no fixed shape or volume
  3. 3. any material that allows heat to transfer easily
  4. 4. a rule that says the amount of matter always stays the same
  5. 6. the process of matter changing state
  6. 8. the form that matter is in
  7. 11. a group that has smaller numbers than another group
  8. 13. when a solid turns into a liquid
  9. 14. a measurement of how much matter or molecules is in an object
  10. 15. a state of matter without a fixed shape but a fixed volume
  11. 17. when a solid changes directly into a gas