Changes in State

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Across
  1. 2. the most common state of matter in the universe, but least common on Earth
  2. 4. gaseous water (2 words)
  3. 6. The state of matter of a material depends on this.
  4. 11. energy needed to change a material from liquid to gas (3 words)
  5. 13. change of a gas directly to a solid, like frost on a window
  6. 14. When ice melts, the particles of solid water _____ energy.
  7. 15. state of matter with definite volume but no definite shape
  8. 17. the sum of the kinetic energies of all the particles in a sample of matter (2 words)
  9. 18. determined by the motion and spacing of particles (3 words)
Down
  1. 1. energy needed to change a material from solid to liquid (3 words)
  2. 3. change of a solid directly to a gas, like what dry ice does
  3. 5. change from a liquid to a gas at the boiling point
  4. 7. Gases have no definite volume or _____.
  5. 8. occurs when a gas cools and changes to a liquid
  6. 9. the movement of thermal energy from an area of higher temperature to an area of lower temperature
  7. 10. Temperature is a measure of the _____ kinetic energy of a material's particles.
  8. 12. State of matter with definite volume and shape
  9. 16. change of a liquid to a gas below the boiling point
  10. 19. to change from solid to liquid