Across
- 4. The outer rocky layer
- 5. A supervolcano located in Wyoming, USA
- 6. Evidence of continental drift
- 8. A place where two or more tectonic plates meet
- 10. How sticky a liquid is
- 11. Cone shaped volcano made of layers of lava and ash
- 12. Wide based volcano with gentle sloping sides
- 13. 3000km thick and made of semi-molten rock
Down
- 1. Mudflows of ash and water
- 2. The process that controls the structure and properties of the Earth's crust and its evolution through time
- 3. A zone where two continental plate collide
- 4. a plate boundary where plates slide past one another in opposite directions or at different speeds
- 7. A current which causes plates to move
- 9. The planet home to the largest volcano in the solar system, Olympus mons