Across
- 1. Large pieces of the Earth's crust
- 8. Forms above a subduction zone where the plates converge
- 10. Molten rock when it is underground
- 13. Landform that always forms above a subduction zone when magma from a melting plate rises
- 14. Plate margin where two plates move parallel to one another
Down
- 2. When the oceanic plate is forced beneath the continental plate into the mantle
- 3. Plate margin where plates move apart
- 4. The innermost part of the earth
- 5. Type of volcano that forms at hot spots
- 6. Sleeping volcano that can still erupt
- 7. Magma when it reaches the earth's surface
- 9. A volcano that frequently erupts
- 11. Earth's layer where convection currents occur
- 12. The outermost part of the earth
