Physical EarthLayers and Spheres                 1. Inner Core - solid, dense, heavy ball of                 iron and nick...
Notice how the circular                                       movement within the                                      man...
Earth’s Spheres        Atmospheric Layers        TROPOSPHERE - surface, weather        STRATOSPHERE - Ozone layer, jet    ...
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#3 Layers & Spheres

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Earth's layers and spheres, from the inside out

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  • #3 Layers & Spheres

    1. 1. Physical EarthLayers and Spheres 1. Inner Core - solid, dense, heavy ball of iron and nickel 2. Outer Core - Viscous mix of heavy metals (moves with earth’s rotation causing earth’s magnetic field) 3. Mantle - plastic-like, flows slowly in circular motions 4. Crust - Oceanic (thin but dense) and Continental (thicker but less dense)
    2. 2. Notice how the circular movement within the mantle PUSHES crustal material up in some areas and PULLS it below in other areas...INNER CORE - 800 miles in diameter OUTER CORE - 1400 miles across MANTLE - 1800 miles across CRUST - 4-40 miles thick
    3. 3. Earth’s Spheres Atmospheric Layers TROPOSPHERE - surface, weather STRATOSPHERE - Ozone layer, jet airline travel MESOSPHERE - Ionosphere THERMOSPHERE - satellites, auroras, Space Shuttle, re-entry

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