Matter!

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Across
  1. 3. something which is VERY SOFT, VERY LIGH and has no fixed shape
  2. 6. a kind of has we need for BREATHING
  3. 7. it falls like rain, but is harder than rain
  4. 9. a kind of liquid that human beings need to live
  5. 10. something which is SOFT, MEDIUM HEAVY and has no fixed shape
  6. 11. a kind of gas we put in balloons
  7. 12. has the same meaning as the words CONDENSATION and VAPOUR
Down
  1. 1. using a gas to move things by force
  2. 2. using a liquid to move things by force
  3. 4. something which is HARD, HEAVY and has a fixed shape
  4. 5. when a solid turns into a liquid
  5. 7. a kind of gas we produce when we BOIL WATER
  6. 8. when a liquid turns into a solid