Across
- 2. two plates collide
- 4. sudden violent shaking of the ground
- 5. takes place at convergent boundaries by which one tectonic plate moves under another
- 7. heat energy is gained and lost by a substance
- 8. Earths outer layer made of plate structure
- 9. lithospheric plate
- 10. seismic sea wave caused by earthquake
- 11. excavation in the ground
- 12. oceanic crust is created as large slabs of the Earth's crust split apart
- 13. running along the Mid Atlantic Ridge
Down
- 1. constructive boundary or an extensional boundary
- 3. parts of Earth's crust slowly drift atop a liquid core
- 6. two plates away from eachother
- 14. plates slide past each other