States of Matter

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Across
  1. 3. The temperature at which a liquid vaporizes. (2 Words)
  2. 5. When condensation occurs, a gas‘s thermal energy ___________________________.
  3. 7. When a liquid turns into a gas, its thermal energy __________________.
  4. 10. This state has a definite volume but no shape of its own.
  5. 12. a range of values used to measure or grade something
  6. 13. A _________________ is a substance that flows.
  7. 14. When the surface of a liquid vaporizes it is called ____________________________.
  8. 16. This state has no definite shape and no definite volume.
  9. 17. This takes place when the particles of a liquid gain enough energy to form a gas.
  10. 18. A change of state from liquid to solid.
  11. 20. These occur at the plateaus (flat lines) of a time vs temperature graph (2 Words)
  12. 21. The temperature at which a substance melts (2 Words)
  13. 23. force of outward pressure
Down
  1. 1. When vaporization takes place throughout a liquid it is called ____________________.
  2. 2. When a liquid’s particles are moving faster, its temperature ____________________.
  3. 4. average kinetic energy
  4. 6. This is the opposite of vaporization.
  5. 8. A change in state from gas directly to solid.
  6. 9. This change in state goes from solid directly to gas.
  7. 11. Another name for solidification is _________________.
  8. 15. This state has a definite volume and a definite shape.
  9. 19. When the temperature of a gas in increases, the molecules move _________________.
  10. 22. The four states of matter are: solid, liquid, gas, and ____________________.