Across
- 4. the process of sorting the major components of planet by density
- 6. a metric unit of length equal to 1,000 meters
- 9. the mostly-solid bulk of Earth's interior, most of the earth
- 10. rocks made form pressure or heat that changes form chemically of physically
- 11. change direction when it enters at an angle
- 13. any rock that is cooled from a molten state
- 14. a zone of charged energetic charged particles surrounding Earth
- 15. an elastic wave in the earth produced by an earthquake
- 17. when two plates move away from each other
- 18. the outermost shell of a terrestrial planet.
Down
- 1. to record the motion of the ground during an earthquake
- 2. the flow of hot fluid upwards and cool downwards
- 3. the region around a planet dominated by the planet's magnetic field.
- 5. a hard, granular, intrusive igneous rock
- 7. black igneous rock formed from the rapid cooling of lava
- 8. rocks that are made from shells and other rocks cemented together
- 12. The solid inner core is situated about 3,200 miles below the Earth's crust
- 16. charged particles from the sun
