Across
- 1. the outer layer of Earth
- 3. the center part of Earth
- 8. an opening in Earth's crust
- 9. when rocks and soil slide from higher to lower ground
- 10. water that is not salty
- 11. a mineral used in pencils
- 14. rot
- 16. one of the different shapes of Earth's land
- 19. a shake in Earth's crust
- 20. a mineral used in jewelry
- 21. a nonliving part of Earth
- 22. a mineral used in toothpaste
- 24. to cut back on how much you use something
Down
- 2. the best layer of soil to grow plants in
- 3. to save it for future use
- 4. to use again
- 5. a mix of tiny rocks and bits of dead plants and animals
- 6. a mineral used in magnets
- 7. a material from Earth that people use in daily life
- 12. water that flows over land and can not easily soak into the ground
- 13. anything that makes water, air, or land dirty
- 15. bits of rocks and soil that plants and animals need
- 17. garbage people leave behind
- 18. the hot layer below the crust
- 21. to makes new things out of old things
- 23. a large, deep body of salty water