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