lab book make sure to have a new composition book by this wednesday
TRANSCRIPT
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Lab BookLab Book
Make sure to have a new composition book by this Wednesday.
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ESSENTIAL QUESTION #1ESSENTIAL QUESTION #1
How does heat transfer through the layers of the earth?
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The Earth’s LayersThe Earth’s Layers
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Objective:Objective:
• I will be able to identify characteristics of the Earth's layers.
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In this activity you will:In this activity you will:• Learn about the earth’s
layers.
• At the end of this lesson you will write a report about the layers of the Earth using 4 facts you learned.
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The Earth is divided into three The Earth is divided into three layerslayers..
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CrustCrust• the layer that you live on
• the most widely studied and understood.
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CrustCrust• made of the lightest
matter
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CrustCrust• like the skin of an apple.
• very thin in comparison to the other three layers.
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CrustCrust• broken into many pieces
called plates
• the plates move along the soft mantle located below the crust
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PlatesPlates• The plates move along smoothly
• sometimes they get stuck and pressure builds up
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MantleMantle• the largest layer of the Earth
• made of hot, dense rock that flows like asphalt
• the temperature differs within the mantle
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MantleMantle• The movement
of the mantle creates the movement of the Earth’s plates.
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CoreCore• is much like a ball of very
hot metals• the inner core is
surrounded by a fluid iron outer core
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CrustCrust
The pressure builds and causes an Earthquake as rocks break and crack.
San Francisco City Hall after the 1906 Earthquake. (from Steinbrugge Collection of the UC Berkeley Earthquake Engineering Research Center)
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ResourcesResources
• Enchanted Learning’s Earth
• The Earth’s Layers
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Writing Activity Writing Activity
• Write a paragraph about the earth’s layers. Include 4 facts from this presentation.