MChambers Crossword

3. largest part of earth’s interior.
7. plate tectonics pulling away from each other.
8. areas far from plate boundaries where heat is nevertheless rising from earth.
10. any rock that has cooled from a molten state.
12. study of earth’s crust and its history.
13. made of fragments of igneous rock of shells of living organisms deposited by wind or water.
14. light waves that bend.
15. the natural separate of differently dense materials over time due to gravity.
16. plate tectonics sliding horizontally alongside each other.
17. area where of two plates coming together, forcing one underneath.
18. produced by cooling of volcanic lava, made primarily of the element’s silicon, oxygen, iron, aluminum, and magnesium.

1. heat escapes from interior through upward flow of warmer material and slow sinking of earth, to a cooler region.
2. how slow motions within the mantle of earth move large segments of the crust, resulting in drifting of continents, and other geological features.
4. jamming together of plate tectonics.
5. a metric unit of length to 1,000 meters.
6. produced when high temperature or pressure alters igneous or sedimentary rock physically or chemically.
9. regions of high-energy ions in the magnetosphere.
11. rocks made of silicon oxygen, makes up continental crust.