Last Spelling Test of the Year!

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Across
  1. 2. wanting to know more
  2. 3. take off your clothes
  3. 6. airplane
  4. 9. opposite of asked
  5. 11. smart
  6. 13. without a pilot
  7. 15. boys with the same parents
  8. 16. open again
Down
  1. 1. opposite of rich
  2. 2. invention
  3. 4. fly
  4. 5. to do again
  5. 7. something you're not sure about
  6. 8. opposite of kind
  7. 10. opposite of same
  8. 12. source of power
  9. 13. opposite of happy
  10. 14. lift and move