Unit 4 THE EARTH. The Earth Contains 3 Spheres 1. Hydrosphere - the liquid layer of Earth which covers about 75 % of the planet; includes oceans, lakes,

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Presentation transcript:

Unit 4 THE EARTH

The Earth Contains 3 Spheres 1. Hydrosphere - the liquid layer of Earth which covers about 75 % of the planet; includes oceans, lakes, and rivers

The Earth Contains 3 Spheres 2. Atmosphere - the gas layer of the Earth made up of 78% nitrogen, 21% oxygen, and 1% other gases

The Earth Contains 3 Spheres 3. Lithosphere - the solid layer of Earth which includes the upper mantle and crust

THE EARTH HAS LAYERS

CRUST

THE EARTH HAS LAYERS MANTLE

THE EARTH HAS LAYERS OUTER CORE

THE EARTH HAS LAYERS INNER CORE

Let’s Fill Out The Chart Layer & Thickness TextureTemperatures Celsius Composition Crust km thick Solid Thin Least Dense Aluminum Oxygen Silicon

Let’s Fill Out The Chart Layer & Thickness TextureTemperaturesComposition Upper Mantle 2300 km thick Thick Molten Liquid Iron Magnesium

Let’s Fill Out The Chart Layer & Thickness TextureTemperaturesComposition Lower Mantle 2300 km thick Solid Aluminum Silicon Oxygen

Let’s Fill Out The Chart Layer & Thickness TextureTemperaturesComposition Outer Core 2300 km thick Liquid Iron Nickel

Let’s Fill Out The Chart Layer & Thickness TextureTemperaturesComposition Inner Core 1220 km thick Solid Iron Nickel

As you travel toward the center Temperature Increases Pressure Increases

Do Now3/1/12 Name the 5 layers of the earth in order from the outermost layer to the innermost layer.