Across
- 4. solid metal layer under extreme pressure
- 6. one of Earth’s three main layers
- 8. soft layer below the lithosphere
- 9. rigid layer of crust and upper mantle
- 11. created by movement in the outer core
- 12. dark rock under the ocean floor
- 14. information from rocks
- 18. scientists who study Earth
- 20. another name for seismic waves
- 22. crust that forms landmasses
Down
- 1. increases the deeper you go into Earth
- 2. solid layer beneath the asthenosphere
- 3. information from seismic waves
- 5. light colored rock in continental crust
- 7. indirect evidence used to study Earth’s interior
- 10. liquid layer of iron and nickel
- 13. direct evidence used to study Earth’s interior
- 15. Earth’s outer rocky layer
- 16. aligns with Earth’s magnetic field
- 17. force that increases with depth
- 19. dark rock in oceanic crust
- 21. deepest layer of Earth