Across
- 9. A steep volcano built from layers of ash and lava
- 12. The soft, flowing layer that tectonic plates move on
- 13. Sudden ground shaking caused by released energy
Down
- 1. When one plate sinks beneath another
- 2. Boundary where plates move towards each other
- 3. Boundary where plates slide past each other
- 4. Heat transfer that drives plate movement
- 5. Boundary where plates move apart
- 6. An opening where magma reaches Earth’s surface
- 7. A crack in the Earth where movement occurs
- 8. The point on the surface above the focus
- 10. The point underground where an earthquake starts
- 11. A wide volcano with gentle slopes