Across
- 2. a natural, solid substance with a specific chemical makeup and structure
- 3. the thin, outer layer of earth
- 6. a form of oxygen that has three oxygen atoms
- 8. the theory that earth's crust is broken into moving pieces called plates
- 11. an envelope of gases that surrounds earth
- 12. the movement of rock and soil by wind, water or ice
- 14. small pieces of rock or another material moved by water, wind or ice
- 15. magma that has reached earths surface
Down
- 1. all the water on earth, including oceans, lakes, and rivers
- 3. Change increase in temperature worldwide
- 4. the center of earth, make of iron and nickel
- 5. a mountain where lava, ash, and gases come out from
- 7. the thick layer of hot rock below the crust
- 9. climate change that are unavoidable and can happen in the future
- 10. the remains or trace of ancient plants of animals
- 13. Cycle the cycle of rocks changing from one to another