Across
- 2. Produced by physical alteration under high temperature and pressure
- 7. Two regions of intense radiation partly surrounding the earth
- 10. The redirection of a wave as it changes mediums
- 12. A metric unit of length = to 1000 meters
- 13. Rock formed by the combining of materials
- 15. An instrument that measures and records details of earthquakes
- 16. The central part of the planet
- 17. A vibration that travels through the interior of Earth
- 18. When planets melt, the materials begin to separate
Down
- 1. The motion of segments or plates of the outer layer
- 3. The outer layer of a terrestrial planet
- 4. A type of rock that makes up continental crust
- 5. The largest part of Earth’s interior
- 6. The science about earth's physical structure and substance
- 8. Igneous rock produced by the cooling of lava
- 9. The region around a planet where the solar wind is
- 11. Rock produced by cooling from a molten state
- 14. A stream of energized, charged particles, through the solar system