Unit Cover Phases

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Across
  1. 3. Ice turns straight into air
  2. 4. Pressure is high water doesn't boil.
  3. 7. Water becomes ice when it gets cold.
  4. 10. Solid liquid and gas together.
  5. 14. Gas becomes electrically charged.
  6. 15. Gas turns straight into ice
  7. 18. Matter changes from one form to another.
  8. 20. Liquid bubbles when it's really hot.
Down
  1. 1. Water disappears when the sun is out.
  2. 2. Liquid turns into solid crystals.
  3. 3. When things are a solid, liquid, or gas.
  4. 5. Heat makes things hotter, cold makes things colder.
  5. 6. Gas doesn't become a gas when pressure drops.
  6. 8. Clouds are made when air cools.
  7. 9. Water is as hot as it can get without becoming a vapor.
  8. 11. Matter changes from solid to liquid or gas.
  9. 12. Water is as cold as it can get without becoming ice.
  10. 13. Liquid turns into solid like ice freezing.
  11. 16. Water disappears into the air when it's hot.
  12. 17. Water turns into a vapor with heat.
  13. 19. Ice becomes water when it gets warm.