ahenry

4. captured electrions that orbits around the earth in a donut
5. to alter or distort as if by refraction.
6. formed when hot, molten rock crystallizes and solidifies.
8. mectric unit that can equal 1000 meters.
10. formed from pre-existing rocks or pieces of once-living organisms.
11. caused by sudden movement of materials within the earth. ie: during an earthquake
13. formed when subjected to high tempature or pressure
17. theory that explains how major landforms are made from earth's subterranean movements.
18. the study of the earth

1. an instrument used to record the motion of the ground during an earthquake
2. The property of unevenly-heated fluids in which warmer, less dense parts within the fluid rise while cooler, denser parts sink.
3. a belt of intense radiation in the magnetosphere composed of energetic charged particles trapped by the earth's magnetic field.
7. a flow of particles that come off the sun.
9. when planets begin to melt, the materials begin within seperate from one another.
12. the hot, dense center of the earth
14. thinnest layer of the earth
15. type of fault in which two tectonic plates slide past one another.
16. thickest layer of the earth