States of Matter

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Across
  1. 4. state of matter with definite shape and volume
  2. 6. how easily a liquid flows
  3. 7. state of matter with no definite shape or volume
  4. 10. process of changing directly from a gas to a solid
  5. 11. process of changing from a gas to a liquid
  6. 12. a substance that can flow, such as a liquid or gas
  7. 13. a process that releases heat
  8. 16. a process that absorbs heat
  9. 18. the tiny particle that makes up matter
  10. 19. process of changing directly from a solid to a gas
Down
  1. 1. able to be squeezed into a smaller volume
  2. 2. process of changing from a liquid to a solid
  3. 3. ionized gas that conducts electricity
  4. 5. mass divided by volume
  5. 6. process of changing from a liquid to a gas
  6. 8. process of turning a gas into plasma by adding heat or electricity
  7. 9. process of changing from a solid to a liquid
  8. 14. process where ions and electrons rejoin, emitting light
  9. 15. state of matter with definite volume but no definite shape
  10. 17. anything that has mass and takes up space