Across
- 1. Near 5000 °C, the Sun's surface temperature.
- 3. Mountains formed when plates crush.
- 8. There are seven of them.
- 10. 2000-4000 °C.
- 11. One tectonic plate converges under another.
- 12. Who studies earthquakes.
- 13. Natural disaster.
Down
- 1. The outermost layer of the Earth.
- 2. Who studies volcanoes.
- 4. Plates sliding past each other.
- 5. Plates moving towards each other.
- 6. Plates moving away from each other.
- 7. Slowly moving peaces of Earth's crust.
- 8. Warm fluids rise, cool fluids sink.
- 9. Ancient supercontinent.