Unit 1: TEST - Mysteries

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Across
  1. 2. unable to be found
  2. 6. what is left after something is gone
  3. 8. to tell others about something
  4. 9. lastly, in the end
  5. 10. to learn more about something
  6. 14. not made by humans
  7. 16. perhaps, possibly
  8. 17. to move slowly downwards, often in water
  9. 18. the goal or aim of something
  10. 20. a part of something
Down
  1. 1. the use of science and machines to do things
  2. 3. not wide or thick
  3. 4. something that cannot be solved
  4. 5. a person who studies stars and planets
  5. 7. something that proves something is true
  6. 11. to suddenly hit
  7. 12. hard to understand or explain
  8. 13. to move by something
  9. 15. to hit something to make a sound
  10. 19. the rate at which something moves