Science 7 Review.

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Across
  1. 3. I push a person and enact _____ on them.
  2. 8. Buses and cars do this at red lights.
  3. 10. I can't lift up a house; it has a lot of this.
  4. 12. (2words) How people breathe.
  5. 13. The layer of the Earth we live on.
  6. 15. What is studied in the field of genetics.
  7. 16. (2words) Rubbing a balloon on my hair gives the balloon this.
  8. 18. Rocks are made of these.
  9. 19. These two organs help me breathe.
Down
  1. 1. When a car starts it does this.
  2. 2. Rock with many layers.
  3. 4. Rock made by pressure and heat.
  4. 5. Winds go up.
  5. 6. Volcanic rock.
  6. 7. Plants make sugar using this.
  7. 9. Nickel, Gold, and Oxygen are all this.
  8. 11. I am not floating away because of _____
  9. 14. (2words) A wolf evolving into a dog.
  10. 17. Wires _______ electricity.