Unit 11 - Discovery and Invention

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Across
  1. 4. purpose
  2. 7. reception
  3. 8. essential
  4. 10. bury
  5. 12. streetlight
  6. 13. curious
  7. 14. artificial
  8. 15. laboratory
  9. 16. melt
  10. 17. crime
  11. 18. dig
  12. 19. stairs
Down
  1. 1. accidentally
  2. 2. fortunately
  3. 3. corner
  4. 5. direction
  5. 6. invention
  6. 9. films
  7. 11. planet
  8. 13. corridor