Across
- 1. molten lava that flows from the volcano
- 6. is the shaking and vibration of the Earth's crust due to movement of the Earth's plates.
- 8. continental pates are also known as
- 9. was a theory that explained how continents shift position on Earth's surface.
- 14. is made of granite
- 15. includes the very top of the mantle and the crust
- 16. A tectonic boundary where two plates are moving toward each other
- 17. Magma comes from this layer
Down
- 2. a mountain with a vent or crater which erupts trough the surface
- 3. volcanic material underground
- 4. the top part of the earths mantle
- 5. A tectonic boundary where two plates are moving away from each other
- 7. crust is made of basalt
- 9. that occur within the molten rock in the mantle, act like a conveyor belt for the plates
- 10. was a super continent that existed on the Earth millions of years ago
- 11. where two Continental crust meet neither can sink.
- 12. lava has very low silica levels
- 13. are the edges where two plates meet.
- 14. center of the earth
