States of matter

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Across
  1. 3. is the energy that is generated and measured by heat
  2. 4. consisting of droplets that freeze rapidly on contact
  3. 6. a substance or matter in a state in which it will expand freely
  4. 8. transforms a substance directly from solid to the gas phase,
  5. 9. the conversion of a vapor or gas to liquid
  6. 10. firm and stable in shape; not liquid or fluid
Down
  1. 1. becoming liquefied by heat
  2. 2. substance flows freely but is in constant volume
  3. 5. conversion of a substance from the liquid or solid phase into the gases
  4. 7. is a source of nuclear energy