Across
- 2. plate boundary where plates slide past each other
- 3. the process by which oceanic crust slips beneath continental crust, returning to the mantle
- 5. the theory that the earth is creating new crust on the ocean floor
- 7. a type of volcano that can have both quiet and explosive eruptions
- 8. the crack in the middle of a divergent boundary
- 10. how fast or slow a liquid flows
- 11. the slowest seismic waves, rolling along earth's surface
- 13. the centerpoint of an earthquake found ON THE SURFACE
Down
- 1. the unit of measuring an earthquake's energy output
- 4. the most popular type of volcano, is formed from explosive eruptions
- 6. the combination of oxygen and silicon found in magma
- 7. the changes in temperature and density that help move tectonic plates
- 9. large, damaging waves created by underwater seismic activity
- 12. deep part of the ocean created by subduction zones