Ian's crossword puzzle

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Across
  1. 2. my younger sister
  2. 5. they float, and are made of water
  3. 9. Julie teaches it and it ain't social studies
  4. 11. its a rick roll, combine the words
Down
  1. 1. home of the sussyboys
  2. 3. mountains that make lava
  3. 4. the football in other countries
  4. 6. WHEN WE ARE FREE
  5. 7. explosive ------ chickens
  6. 8. my 6 year old sister
  7. 10. the people who suffer from dams