Tectonic Plates

8. a plate boundary where two plates move away from each other
9. a plate boundary where two plates move past each other in opposite directions
11. the transfer of energy that is carried in rays
13. a plate boundary where two plates move toward each other
14. any trace of ancient organisms that has been preserved in rock
15. pieces of the Earth's crust diverge on land, forms where two plates move apart

1. a molten mixture of rock forming substances, gases, and water from the mantle
2. process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle again
3. the single landmass that began to break apart 200 million years ago
4. part of the Earth's lithosphere. It's solid outer shell carrying pieces of continental and oceanic crust
5. heat transfer by the movement of a fluid
6. heat transfer between materials that are touching
7. a mountain that forms in the earth's crust when molten material or magma reaches the surface
10. the breaks in the Earth's crust where rocks have slipped past each other, form along boundaries
12. when magma reaches the surface