Across
- 3. Heat transfer when cold fluids sink and hot fluids rise
- 5. Tectonic plates move at this speed: ____ per year
- 7. At this boundary, plates move apart.
- 8. The name of the supercontinent meaning "All Earth"
- 10. A landform found at divergent and convergent boundaries.
- 11. Earth's core is made of _____ and iron.
- 14. Natural disaster when tectonic plates suddenly slip.
- 15. When the denser oceanic plate sinks beneath another plate.
Down
- 1. At this boundary, plates move toward each other.
- 2. The scientist who came up with the Theory of Continental Drift.
- 4. At this boundary, plates slide past one another.
- 6. Contains convection currents that move the plates.
- 9. Molten rock under the Earth's surface
- 12. The hottest layer of the Earth.
- 13. Divided into tectonic plates; made of hard solid rock.