Across
- 1. the crust made up of mostly granite
- 4. heat transferred without contact
- 7. Layer of the mantle that does not melt
- 10. Mass per unit volume
- 13. waves that are useful in analyzing the Earth's interior surface
- 14. the second layer of the Earth
- 15. The type of waves that move along the Earth's surface
- 17. when ocean and continent come together at this boundary
- 18. the reason boats float on top of the water and doesn't sink
- 19. the lose of energy through radiation
- 21. these plate boundaries slide past each other
Down
- 2. Weak layer of the mantle that is partially melted
- 3. the name of the super continent
- 5. the theory that all the Earth's land was once joined into a super continent.
- 6. cool and rigid outer layer of the mantle
- 8. Ocean basins form at this
- 9. uppermost layer of the Earth
- 11. heat transferred by contact
- 12. the reason the Lower mantle does not melt
- 16. the crust that is made up of mostly basalt
- 20. what is in the center of the Earth?