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Earth’s Structure

Earth’s Structure. Ryan B., Emmett H., and Coleman S. Earth’s Core . Outer Core and inner core Inner core is solid iron and nickel Outer core is liquid iron surrounding inner Inner core is 9,000 degrees Fahrenheit Outer core is 4,000 to 9,000 degrees . Earth’s Mantle. Hot dense rock

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Earth’s Structure

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  1. Earth’sStructure Ryan B., Emmett H., and Coleman S.

  2. Earth’s Core • Outer Core and inner core • Inner core is solid iron and nickel • Outer core is liquid iron surrounding inner • Inner core is 9,000 degrees Fahrenheit • Outer core is 4,000 to 9,000 degrees

  3. Earth’sMantle • Hot dense rock • 1,800 miles • 2 parts • Hot dense rock that flows • Convection currents deal with plate tectonics

  4. Earth’s Crust • 3-5 miles under the ocean • 25 miles under the continents • 1,600 degrees Fahrenheit • Broken into plates above the hot mantle • Subducting and layering rock

  5. Landforms • Types of landforms: valleys, mountains, plateaus, plains • Other types: hills, and glaciers • Mountains rise when crust collides • Plateaus form as magma pushes toward surface • Magma fails to reach surface, building rock • How valleys formed • Plains result from eroded and elevated terrain

  6. Atmosphere • More than the air we breathe • Ozone layer absorbs ultraviolet light • Communication radio waves bounce off • Incinerates meteorites coming towards Earth • Layers: tropos, stratos, mesos, ionos, and exosphere

  7. Earth’s Water • Seal level rising1 to 2 millimeters • Average North American uses 400 liters/ day • About 768 million people don’t have access • 2.5 billion cant access adequate sanitation

  8. Bibliography • Butali, David. "Stunning Dolomites Mountains, Italy." One Big Photo Stunning Dolomites Mountains Italy Comments. N.p., n.d. Web. 16 Sept. 2013. • "Donate Now." WaterAid America. N.p., n.d. Web. 16 Sept. 2013. • "EarthScienceinMaine - 6.1 Inside Earth." EarthScienceinMaine - 6.1 Inside Earth. N.p., n.d. Web. 13 Sept. 2013. • "Inner Core." Oregonstate.edu. Oregon State University, n.d. Web. 13 Sept. 2013. • "Inside the Earth." National Geographic. N.p., n.d. Web. 13 Sept. 2013. • Louie, Margaret Auld. "Water Filters." Optimum Choices. N.p., n.d. Web. 16 Sept. 2013. • Mineral Water Romania, n.d. Web. 16 Sept. 2013. • "'Missing Silicon Problem' Solved, Say Geophysicists." Physicsworld.com Homepage. N.p., n.d. Web. 13 Sept. 2013. • "Oceans." National Geographic. N.p., n.d. Web. 13 Sept. 2013. • "Outer Core." Oregonstate.edu. Oregon State University, n.d. Web. 13 Sept. 2013. • "Plains." National Geographic. N.p., n.d. Web. 16 Sept. 2013. • "Plateaus." National Geographic. National Geographic, n.d. Web. • "Sea Level and Climate." : USGS Water-Science School. N.p., n.d. Web. 16 Sept. 2013. • "Valleys." National Geographic. N.p., n.d. Web. 16 Sept. 2013.

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