Layers of the Earth. Earth’s Layers How are the earth’s layers similar to an egg? Shell=crust Egg white=mantle Yolk=core.

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Presentation transcript:

Layers of the Earth

Earth’s Layers How are the earth’s layers similar to an egg? Shell=crust Egg white=mantle Yolk=core

Make a model of Earth Using paper, make a pie-shaped piece to resemble the Earth. On the front, label the following: Inner core Outer core Mantle Crust Lithosphere

Inner core Outer core Mantle asthenosphere lithosphere crust

Open up your segment of the Earth and… 1.Mark the layers. 2.Label the state of matter of each layer. 3.What elements make up the core? 4.Label the thickness of each layer. 5.Label the temperature of each layer using the numbers below. 6. Lightly color your model. 12,000 F 9,000 F 4,500 F 100 F

State of Matter ElementsThicknessTemp Inner core Outer core Mantle Asthenosphere Lithosphere

What is the center layer called? What state of matter is it? What is it made of? SOLID IRON AND NICKEL INNER CORE

Inner core Solid 1,200 km 12,000 F Nickel and iron

The next layer of the Earth after the inner core would be the…… What state of matter is the outer core? What elements are in the outer core? OUTER CORE LIQUID Iron and Nickel

Outer core Liquid 2,250 km 9,000 F Nickel and iron

Why do you think the inner core is solid and the outer core is liquid? The core of our Earth is tremendously hot. It is believed to have a temperature of 7,000 degrees Celsius. Pressure keeps the inner core a solid, but allows the outer core to be a melted, liquid state.

Mantle solid and plastic 2,900 km 4,500 F

The mantle is a layer that is kind of like tar on a hot day. It flows, but very, very slowly..

Asthenosphere plastic

The asthenosphere is just below the lithosphere. It is part of the mantle. The asthenosphere is solid rock that flows slowly, like hot asphalt or peanut butter.

The lithosphere includes the crust of the Earth and the upper mantle.. It is solid.

The outermost layer of our Earth is called the crust.

Lithosphere, which includes the crust solid 120 km 100 F

As the liquid iron and nickel in the core circulate, it creates a magnetic field.

Oceanic and Continental Crust

What is this layer? State of matter? Inner core Solid

What is this layer? State of matter? Lithosphere Solid

What is this layer? State of matter? Mantle Plastic

What is this layer? State of matter? Outer core Liquid

Relative Masses - Earth

Name the 5 basic layers of the Earth (mentioned in your book) in order of their temperatures, from highest to lowest.

Name the layer associated with this clip… CRUST

Name the layer associated with this clip… OUTER CORE

Name the layer associated with this clip… OCEANIC CRUST

Name the layer associated with these graphics… CORE

Name the layer associated with this clip… OUTER CORE

Name the layer associated with this clip… Hot, Melted Fudge Wrapper Lithosphere mantle

Convection – What is it? Why do we care? Convection Source:

1200 km 2200 km 2900 km 5-40 km Our scale is: 60 km = 1 mm Label the layers and state of matter. Show convection currents in mantle.