Phase Change Vocabulary Crossword

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Across
  1. 3. The state of matter that's molecules swish around each other
  2. 4. The energy of motion
  3. 9. The in the state/phase of matter, no change in substance
  4. 10. The force that causes molecules to come together Ex: Gas molecules have a low attraction to eachother
  5. 11. Anything that takes up space
  6. 12. The transfer of heat by electromagnetic waves
  7. 13. The state of matter that has the lowest density
  8. 14. How tightly packed molecules are within a substance. calculated by dividing the mass of the substance by its volume
  9. 15. The average kenetic energy inside a substance determines the substance's ______
  10. 19. When a liquid turns into a gas (ex: I ___ a pot of water)
  11. 20. When a liquid turns into a solid
  12. 23. The most dense state of matter
  13. 24. When a solid turns into a gas
Down
  1. 1. The transfer of energy from one molecule to another by direct contact
  2. 2. A change that produces a new substance;makes molecules re-arrange
  3. 5. When a liquid slowly becomes a gas
  4. 6. The total amount of molecules in a substance
  5. 7. When a solid turns into a liquid
  6. 8. When a liquid quickly becomes a gas
  7. 16. 2 or more atoms chemically combined
  8. 17. The movement of heat by fluid such as water or air
  9. 18. When a gas turns into a liquid
  10. 21. When a gas turns into a solid
  11. 22. Any material, liquid or gas, that can flow