Unit 2 - Natural Attraction

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Across
  1. 6. to move up and down quickly
  2. 7. able to be seen through
  3. 8. having a very high number
  4. 10. cruel or severe
  5. 12. to experience something necessary or unpleasant
  6. 14. completely ridiculous or unreasonable
  7. 16. in a very noticeable way
  8. 17. the way in which living things change and develop over millions of years
  9. 18. a ceremony that is always performed in the same way
  10. 20. to mate and have babies
Down
  1. 1. to begin
  2. 2. so surprising or amazing that it is hard to believe
  3. 3. to go down
  4. 4. an animal that kills and eats other animals
  5. 5. cannot be seen
  6. 9. to shine suddenly and brightly for a short time
  7. 11. something that affects a result
  8. 13. to move something or change its position
  9. 15. having fine personal qualities or appearance
  10. 19. a piece of substance that covers a surface or is between two other things