Across
- 2. A dip in the oceanic crust that occurs at a subduction zone
- 4. A piece of the Earth's crust
- 5. The markings that come off of a seismograph
- 7. Describes the movement of materials due to a difference in temperature
- 8. The force or shaking that is released when the plates get stuck together, build up energy, and then break.
- 9. When two plates move apart
Down
- 1. When two plates slide past each other
- 3. A machine that measures the strength of an earthquake
- 6. When two plates collide