plate tectonics

2. our home planet
4. a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust
5. the mostly solid bulk of Earth's interior
9. what happens when two blocks of the earth suddenly slip past one another
10. a supercontinent that incorporated almost all the landmasses on Earth
11. a geological process in which the oceanic lithosphere and some continental lithosphere is recycled into the Earth's mantle at convergent
13. extremely hot liquid and semi-liquid rock located under Earth's surface
14. giant waves caused by earthquakes or volcanic eruptions under the sea
16. of fire a path along the Pacific Ocean characterized by active volcanoes

1. rigid layers of solid rock
3. pull apart
6. they slide past each other
7. any substance or device that can be made to produce a volume of rapidly expanding gas in an extremely brief period
8. molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface
12. two plates collide
15. the very hot, very dense center of our planet