topic 2: spheres of earth
Post on 23-Feb-2016
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Topic 2: Spheres of Earth. Earth’s Spheres. Earth is made up of spheres, arranged from lowest density (above Earth) to highest density (center of Earth). Interface – boundary between different layers. Earth’s Spheres. 1. Atmosphere – layer of gases above Earth’s surface. - PowerPoint PPT Presentation
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Topic 2:Spheres of Earth
Earth’s SpheresEarth is made up of spheres, arranged from lowest density (above Earth) to highest density (center of Earth).
Interface – boundary between different layers
Earth’s Spheres1. Atmosphere – layer of gases above Earth’s surface.
Earth’s Spheres2. Hydrosphere – layer of liquid water between the atmosphere and Earth’s interior.
Earth’s Spheres3. Lithosphere – layer of solid rock below
hydrosphere and atmosphere• Divided into lithospheric plates• Crust = the upper part of the lithosphere
Earth’s Spheres4. Earth’s Interior – extends from the Earth’s surface to the Earth’s center.
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