Phase Change Science Terms (Unit Cover #5)

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Across
  1. 2. Any material, liquid, or gas that can flow
  2. 5. A change in matter that changes the molecules structure (odor, color, temperature)
  3. 8. A small particle of a substance that can take part in a chemical reaction
  4. 9. When a liquid gains energy and heats up into a gas slowly
  5. 11. When a solid heats up and gains energy to turn into a liquid
  6. 13. The conversion of one form of energy into another
  7. 14. When a liquid looses energy and cools into a solid
  8. 16. The transfer of heat by electromagnetic waves
  9. 18. Energy A type of energy in motion
  10. 19. How much space something takes up
  11. 20. When a cool object gains heat
  12. 23. The qualities and characteristics of a substance that describe and identify it
  13. 24. A Change in matter that doesn't involve a change in molecules
  14. 25. Changing position over time
Down
  1. 1. When a solid becomes a liquid
  2. 3. The measure of the average kinetic energy of the particles in a substance
  3. 4. Transfer The movement of heat from one substance or material to another.
  4. 6. When a warm object looses heat
  5. 7. Che chemical combination of 2 or more atoms
  6. 10. Solid, liquid, gas, and plasma
  7. 12. When a liquid gains energy and heats up to become a gas very quickly
  8. 15. A liquid gains energy and bubbling into a gas
  9. 17. The change of vapor or gas loosing energy and cooling to become a liquid
  10. 21. The changing of one phase to another
  11. 22. The motion in a gas or liquid in which the warmer portions rise and the colder portions sink