Across
- 6. Molten rock that erupts from a volcano
- 7. The scale used to measure the magnitude of earthquakes
- 8. A type of volcano characterized by gentle slopes and lava flows
- 9. The process of molten rock rising to the surface
- 12. A type of volcano that erupts explosively
- 14. A tectonic plate boundary where plates collide
- 15. A boundary where two tectonic plates move apart
- 16. The movement of tectonic plates
- 17. A seismic wave that travels through the Earth
Down
- 1. The fast-moving mixture of gas and volcanic material that flows down a volcano
- 2. The layer of the Earth beneath the crust
- 3. The molten rock beneath the Earth’s surface
- 4. The boundary where two tectonic plates meet
- 5. The scientific study of earthquakes
- 10. The hot, semi-fluid rock in the Earth’s mantle
- 11. The outermost layer of the Earth, where tectonic plates are located
- 13. The solid outer layer of the Earth
