What a sight!

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Across
  1. 3. Something that you see
  2. 4. You breath it! It can be fresh, warm or cool
  3. 6. A mountain with LAVA!! inside! Be careful!
  4. 7. Green home for animals
  5. 10. A large area of water surrounded by land
  6. 11. A small piece of land where you can find pirate's gold!
  7. 12. You stand in it to wait for your turn, for example to buy some ice-cream :)
Down
  1. 1. Water which falls down a cliff - a beautiful sight!
  2. 2. A very small mountain. You can see them a lot in England
  3. 5. The land which is outside towns or cities
  4. 8. The Mississippi ... ? / The Volga
  5. 9. A very small town in the countryside