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geo.chapter two
geography chapter two
| Question | Answer |
|---|---|
| what is the planets in order from closest to the sun? | mercury, Venus, earth, mars, Jupiter, Saturn, Uranus, Neptune, Pluto |
| what are asteroids? | are small, irregularly,shaped, planets like objects. |
| what are comets? | made of icy dust particles and frozen gases, look like bright ball with long feathery tails. |
| what are meteoroids? | chunks of rock and iron |
| hydrosphere | oceans, lakes, rivers and other bodies of water make up part of the earth. |
| lithosphere | the earths crust. |
| atmosphere | layer of gases extending above the planets surface. |
| biosphere | part of the earth that supports life |
| core | at the very center of the planet is super hot but solid |
| mantle | a thick layer of hot, dense rock |
| crust | a rocky shell forming the earths surface |
| continental drift | the theory that the continents were once joined and the slowly drifted apart |
| Pangaea | one gigantic super continent |
| plate tectonics | refers to all the physical processes that create many of the earths physical features |
| subduction | the heavier sea plates dives beneath the lighter continental plate |
| spreading | sea plates also can pull apart in a process |
| faulting | occurs when the folded land cannot be bent any further |
| faults | plates may grind or slide past each other, creating cracks in the earths crust |
| ring of fire | one of the most famous earth quake |
Created by:
msorensen
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