States of Matter

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Across
  1. 5. this state of matter has the least amount of energy
  2. 8. natural source of heat
  3. 10. the term for changing a gas to a liquid
  4. 13. the term for changing a solid into a gas
  5. 17. the term for when one state of matter changes to another
  6. 19. the term for changing a liquid to a solid
Down
  1. 1. the term for changing a liquid to a gas
  2. 2. the term for changing a gas to a solid
  3. 3. the term for changing a solid to a liquid
  4. 4. holds their shape because the particles are close together
  5. 6. hold the shape of their container; they flow
  6. 7. can either be solid, liquid, or gas
  7. 9. used to move matter between states
  8. 11. a cycle that consists of water and uses all 3 states of matter
  9. 12. matter needs this to be classified as matter
  10. 14. is considered energy, not matter
  11. 15. matter needs this to be classified as matter
  12. 16. has the most amount of energy
  13. 18. fills the container they are in