THE%20EARTH

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Unit 4

• THE EARTH

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The Earth Contains 3 Spheres

• 1. Hydrosphere - the liquid layer of Earth which
  covers about 75 of the planet includes oceans,
  lakes, and rivers

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The Earth Contains 3 Spheres

• 2. Atmosphere - the gas layer of the Earth made
  up of 78 nitrogen, 21 oxygen, and 1 other gases

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The Earth Contains 3 Spheres

• 3. Lithosphere - the solid layer of Earth which
  includes the upper mantle and crust

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THE EARTH HAS LAYERS
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THE EARTH HAS LAYERS
CRUST
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THE EARTH HAS LAYERS
MANTLE
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THE EARTH HAS LAYERS
OUTER CORE
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THE EARTH HAS LAYERS
INNER CORE
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Lets Fill Out The Chart
Layer Thickness Texture Temperatures Celsius Composition
Crust 5- 40 km thick Solid Thin Least Dense 18 - 870 Aluminum Oxygen Silicon
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Lets Fill Out The Chart
Layer Thickness Texture Temperatures Composition
Upper Mantle 2300 km thick Thick Molten Liquid 1000- 2500 Iron Magnesium
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Lets Fill Out The Chart
Layer Thickness Texture Temperatures Composition
Lower Mantle 2300 km thick Solid 2500 - 5000 Aluminum Silicon Oxygen
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Lets Fill Out The Chart
Layer Thickness Texture Temperatures Composition
Outer Core 2300 km thick Liquid 4400 - 6100 Iron Nickel
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Lets Fill Out The Chart
Layer Thickness Texture Temperatures Composition
Inner Core 1220 km thick Solid 6100 Iron Nickel
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As you travel toward the center
Temperature Increases Pressure Increases
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Do Now 3/1/12

• Name the 5 layers of the earth in order from the
  outermost layer to the innermost layer.