Change in State

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Across
  1. 1. This happens when liquids get very cold
  2. 4. When I start out very hot and then become cool, I turn liquid.
  3. 6. I keep my shape when I'm cool. If it gets too warm, I melt
  4. 8. This is what gas does when it cools down
Down
  1. 2. This is how matter goes into the air when it boils
  2. 3. something liquids do before they turn into gas
  3. 5. This is how solids turn into liquids
  4. 7. You can add me or take me away to change matter