Across
- 3. bits of rocks and soil that plants and animals need
- 6. The part of Earth that we live on
- 7. the mineral used for toothpaste
- 8. a nonliving part of Earth
- 11. a material from Earth that people use in daily life
- 13. to make something new out of old items
- 16. when plants and animals rot
- 18. one of the different shapes of Earth's land
- 19. anything that makes water, air, or land dirty
Down
- 1. a mix of tiny rocks and bits of dead plants and animals
- 2. the mineral used for pencils
- 4. water that is not salty
- 5. a shake in Earth's crust
- 8. to cut back on how much you use
- 9. an opening in Earth's crust
- 10. The center of the Earth
- 12. to use something again
- 14. a large, deep body of water
- 15. water that flows over land and cannot easily soak into the ground.
- 17. the very hot layer under the crust