States of matter

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Across
  1. 2. a hot, ionized gas consisting of approximately equal numbers of positively charged ions and negatively charged electrons.
  2. 4. the process in which a solid changes directly into a gas.
  3. 6. that occurs only on the surface of a liquid.
  4. 8. a state of matter that has a definite shape and volume. The particles vibrate.
  5. 10. The change of state from a liquid to a gas.
  6. 11. the process of plasma changing back into a gas.
  7. 12. the process of changing a gas into plasma by giving the atoms a charge.
  8. 13. a state of matter with no definite shape or volume. The particles bounce around freely.
Down
  1. 1. states that all matter is made up of small particles, which are constantly moving.
  2. 3. the change in state from a solid to a liquid.
  3. 5. a state of matter that has no definite shape, but has a definite volume. The particles slide past each other.
  4. 7. the change of state from a gas to a liquid.
  5. 9. vaporization that occurs on and below the surface of a liquid.