Word parts puzzle

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Across
  1. 6. A sea creature with 8 legs
  2. 8. small, very tiny
  3. 9. to cross out or draw on something
  4. 10. Suddenly attack
Down
  1. 1. to check temperature
  2. 2. place to travel by plane
  3. 3. to hurt the bone
  4. 4. Tank with water for water animals
  5. 5. cut open, and look around
  6. 7. do something at a fast pace