Chapter 2 Glencoe World Geography
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Created by:
matthewmotamedi on October 8, 2011
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The Earth
Chapter 2 Glencoe World Geography
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22 terms
Terms | Definitions |
|---|---|
 Hydrosphere | The part of the Earth made up of bodies of water |
| Lithosphere | The part of the Earth made up of land |
| Atmosphere | The layer of gases six thousand miles above the planet (78 percent nitrogen, 21% oxygen |
| Biosphere | Part of the Earth that supports life |
| Continental Shelf | Part of the continent that extends under water |
| Mantle | The thick layer of hot dense rock under the crust |
| Continental Drift | The theory that continents were once joined together and drifted apart slowly |
| Magma | Molten rock |
| Plate Tectonics | The Idea that when plates shift, mountains are pushed up, they create volcanoes and produce earthquakes |
| Subduction | When heavier sea plates dive beneath the lighter continental plate |
| Accretion | When pieces of the Earth's crust come together slowly when the sea plate slide under continental plate |
| Spreading | When sea plates pull apart |
| Folds | Bends in layers of rock |
| Faults | Cracks in the Earth's crust when plates grind/slide past each other |
| Weathering | When rocks are broken down into smaller pieces |
| Erosion | the wearing away of the Earth's surface by wind, glaciers and moving water |
| Loess | A fertile yellow/gray soil deposited by wind |
| Moraines | Large piles of rock and debris left behind melted glaciers |
| Water Cycle | Evaporation, Condensation, Precipitation |
| Desalination (deSALTination) | The process of turning ocean water into fresh water |
| Ground Water | Fresh water beneath the Earth's surface filtered through soil |
| Aquifer | Water found undergrounds in porous rock layer |
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