Across
- 3. molten rock
- 6. two tectonic plates moving away from each other in opposite directions
- 7. a crack, split, or break in something
- 9. a massive, irregularly shaped, rigid slab of solid rock composed of Earth's lithosphere—both continental and oceanic crust and the upper mantle
- 10. when two plates slide past each other
Down
- 1. a continuous, underwater mountain system formed by plate tectonics
- 2. the sudden, rapid shaking of the Earth's surface caused by the release of energy in the lithosphere, usually from the breaking of rock along geological faults
- 4. two tectonic plates coming together, or converging, and overlapping
- 5. the outermost, thinnest, and least dense solid rock layer of the planet.
- 8. the edges where Earth's tectonic plates meet and interact, causing most geological activity.