Across
- 3. ability to work or cause change
- 6. stream that flows into a larger stream or river
- 7. water flows over the ground rather then soaking in
- 9. one plate moves under into the mantle
- 12. wearing away rock by a grinding action
- 13. a rock formed from lava or molten rock
- 15. upper mantle and crust
- 16. a rock that forms by heat and pressure
- 17. a rock that turns into slate
- 18. large moving of ice and snow
- 19. cone shaped object on a cave floor
- 20. where living things live
Down
- 1. a bending river
- 2. is make from sandstone
- 4. a large stream
- 5. organic material in soil
- 8. takes up about 1% of the earth
- 10. has grains that look like bands
- 11. preserved remains of living thing
- 14. a type of rock made of hardened sediment
