OO cross word (by Michael)

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Across
  1. 4. these are hard to sail
  2. 6. three consecutive letters
  3. 7. this person loves to eat
  4. 9. the guy next door wore a hood
  5. 12. stony greek gorgon
  6. 13. zoo have lots of these
Down
  1. 1. he _________ the answer was at the end
  2. 2. the only way a liquid can move is ________
  3. 3. the ________ was very difficult to do
  4. 5. too much rubbish
  5. 8. scary!
  6. 10. plants have these
  7. 11. strict new years resolution