UNIT 10 - LOP 9

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Across
  1. 2. changes in the Earth's weather
  2. 5. to move around a planet or star
  3. 6. to hurt or damage something
  4. 7. animal waste on the ground
  5. 9. balance in nature
  6. 10. food for plants
  7. 11. very important
  8. 14. a chemical that kills insects or weeds
  9. 15. to watch carefully
  10. 17. extremely important
  11. 19. animals and plants eating each other
Down
  1. 1. land covered with grass
  2. 3. to understand how good something is
  3. 4. space outside the Earth
  4. 8. the home of an animal or plant
  5. 12. something dangerous
  6. 13. very interesting
  7. 16. a natural shape of the land
  8. 18. to change or influence something
  9. 20. a safe place for wild animals and plants