States of Matter

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Across
  1. 1. when water evaporates from seas, rivers and lakes, condenses to form clouds, and falls back to Earth as rain
  2. 2. the temperature at which a solid melts
  3. 4. when a gas changes to a liquid
  4. 7. the amount of space a substance takes up in a container
  5. 9. when a liquid turns into a gas
  6. 10. the liquid in which the solute dissolves
  7. 13. when something happens in the opposite order or direction
  8. 14. quantity needed to make things happen
  9. 15. when a solid changes to a liquid
  10. 16. when water changes from a liquid to a gas at a high temperature
Down
  1. 1. the gas formed when liquid water changes into a gas
  2. 3. the temperature at which a liquid boils
  3. 5. the material that is dissolved
  4. 6. a mixture usually made of a solid dissolved in a liquid
  5. 8. when a substance mixes with another substance and becomes part of it
  6. 11. the hot mist produced when water boils; it is made of hot condensing water vapour
  7. 12. a small piece of solid substance with a regular shape, such as sugar and salt; some crystals can dissolve in water