States of Matter Vocab

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Across
  1. 2. change of a substance from solid to vapor without passing through the liquid state
  2. 3. force exerted by a gas per unit surface area of an object via collisions
  3. 6. conversion of a liquid to a gas or vapor
  4. 7. an empty space with no particles and therefore no pressure
  5. 9. conditions under which a substance exists in all 3 of the main phases of matter
  6. 11. the energy an object has because of its motion
  7. 12. measure of force exerted by a gas above a liquid
  8. 13. device used to measure atmospheric pressure
  9. 15. temperature at which a liquid turns into a solid
Down
  1. 1. temperature at which the vapor pressure of the liquid is just equal to the external pressure
  2. 4. change of a substance from liquid to gas at the surface of the liquid without boiling
  3. 5. relationships between solid, liquid, and vapor states of a substance in a sealed container shown on a graph
  4. 8. SI unit for pressure
  5. 10. all matter consists of particles that are in constant random motion
  6. 14. the temperature at which a solid turns into a liquid