forces shaping the earth. inside the earth three layers core: center of the earth inner core solid...

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  • Slide 1

Forces shaping the earth Slide 2 Inside the Earth Three layers Core: center of the earth Inner core solid Outer core liquid Slide 3 Mantle: layer of rock surrounding the core Solid near core Outer layer sometimes melts Magma: hot, melted rock that sometimes flows outward during volcanic eruptions Slide 4 Crust: uppermost layer Includes ocean floors & continents Slide 5 Forces beneath the earths crust Plate tectonics: theory that the earths crust consists of moving plates Slide 6 When plates meet Can create high mountain ranges (the Himalayas) Slide 7 Earthquake: violent and sudden movement of the earths crust Slide 8 Tsunami: huge waves created by undersea earthquakes Slide 9 Forces shaping landforms Weathering: the process of breaking surface rock into boulders, gravel, sand, and soil Slide 10 Erosion: process of wearing away or moving weathered material Water, wind, ice Glaciers: giant slow-moving sheets of ice