Across
- 4. the time period that we are in now
- 6. the grinding away of rock
- 9. a copy of the shape of a fossil
- 10. when a glacier picks up rocks/sediment
- 13. crust and upper mantle
- 14. a large mass of frozen water
- 16. things that have never been alive
- 17. flat wide area along a river
- 18. Basalt is what type of rock
- 20. small pieces of broken down rock
Down
- 1. has an inner and outer what
- 2. presses sediment together
- 3. equal parts of clay,sand and silt
- 5. when is my birthday
- 7. hangs on the roof of a cave
- 8. a species have an appearance that blends into it's surroundings
- 11. the force that pulls objects down
- 12. organisms that are alive
- 15. a deposit of wind blown sand
- 19. major agent of erosion
- 20. loose,weathered material on Earth's surface