Across
- 4. solar wind carries a region around the planet where a magnetic field in dominate
- 6. the largest part of earth insides
- 10. 1,000 meters
- 12. a tool that measures how major earthquakes are
- 14. rock formed by deposition and cementing of grains of material
- 16. a weak spot in the earth crust
- 17. a vibration that travels through the inside of earth
Down
- 1. hot air rises and cold air sinks
- 2. a type of igneous rock that makes up mostly earths continental crust
- 3. rock made by cooling from molten state
- 5. the study of how earth was formed
- 7. waves that change direction while entering a substance
- 8. igneous rock that makes up most of earths oceanic crust
- 9. the movement of segments or plates that lye under the mantle
- 11. the outer layer of the planet
- 13. the center of the planet
- 15. Earths metals that separate from heavy and light materials
- 18. ions shot from the sun that are harmful