Across
- 2. Each of two regions of intense radiation partly surrounding Earth.
- 5. Rocks changed through extreme heat and pressure.
- 8. When planets begin melting, the materials in them begin separating.
- 9. Large plume of hot mantle material rising from within Earth.
- 12. Where two plates converge, and one’s thrust beneath the other.
- 14. Gigantic pieces of the Earth's crust and uppermost mantle.
- 16. Science that studies earth’s physical structure, substance, its history, processes.
- 17. Occurs when plates slide sideways past each other.
- 18. Igneous silicate rock that is most of Earth’s continental crust.
Down
- 1. Region around a planet dominated by the planet's magnetic field.
- 3. Stream of energized, charged particles, through the solar system.
- 4. Formed from pre-existing rocks or pieces of once-living organisms.
- 6. Occurs when plates move towards each other and collide.
- 7. Rock produced by cooling from a molten state.
- 10. Largest part of Earth’s interior; lies between crust and core.
- 11. Occurs when two tectonic plates move away from each other.
- 13. Heat transferred by movement of a heated fluid.
- 15. Central part of the planet; consists of higher density material.