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