Crossword

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Across
  1. 2. a space machine
  2. 4. when the amount goes up
  3. 7. a response
  4. 8. done
  5. 11. a feature of Earth
  6. 13. someone who uses tools
  7. 14. the amount of something
  8. 15. a way of measuring distance
Down
  1. 1. how good something is
  2. 3. it goes on and on
  3. 5. something happening
  4. 6. to make a really loud noise
  5. 9. when something bounces back
  6. 10. something very expensive
  7. 12. used in a boat