Franco's puzzle

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Across
  1. 3. why we go to school
  2. 5. after you roll in mud
  3. 8. an unlucky number
  4. 10. to look something up
Down
  1. 1. to heal
  2. 2. why you drink water
  3. 4. baseball and football
  4. 6. when you come back
  5. 7. what a fire does
  6. 9. to look for