States of Matter

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Across
  1. 2. Water in its gas state is called __________ or water vapour.
  2. 6. Gases can be __________ but solids and liquids cannot.
  3. 8. Solids have a definite shape and __________.
  4. 9. __________ is when a liquid is heated and changes into a gas.
  5. 11. Water in the sea is in its __________ state.
  6. 13. Liquids do not have a definite __________.
Down
  1. 1. _____________ is where cooling a gas causes it to change into a liquid.
  2. 3. Liquids and gases can both ______ but solids cannot.
  3. 4. Melting is the reverse of ___________.
  4. 5. ___________ is where heating a solid causes it to change into a liquid.
  5. 7. Freezing is where cooling a liquid causes it to turn into a _________.
  6. 10. sublimation is when a solid is changed directly into a ______ without changing into a liquid.
  7. 12. Water in its solid state is called ______.
  8. 14. the fourth state of matter is called ________.