Across
- 3. Compositional layer below crust
- 5. What Earth's layers are arranged by
- 7. The center of Earth
- 9. There are 7 of these and they were once connected
- 12. When a tectonic plate is pulled beneath another
- 14. Earth's outer layer
- 17. When gravity pulls high and low dense materials
- 18. Landmass, or known as supercontinent
- 20. A large sheet of ice that is in cold areas
Down
- 1. Caused the solar nebula to contract
- 2. ideas explaining related observations in the world
- 4. A rock fragment which another rock surrounds
- 6. Bending, tilting, and breaking of rock
- 8. Beneath the lithosphere
- 10. Remains of a dead organism from a long time ago
- 11. A cloud of gas and dust in space
- 13. Earth's thin, outer shell
- 15. Movement on the ground when rocks break and move
- 16. When 2 objects hit
- 19. Where magma erupts