earthlayers rocks
TRANSCRIPT
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Earth's layers Crust Mantle Inner Core Outer Core
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The crust and outer mantle make up the lithosphere.
About how thick is the lithosphere?
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If Earth were and apple…
Peel = crustFruit = mantle
Outer core = coreInner core = seed
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What is a rock?
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A rock is any naturally formed solid in the crust made up of one or more kinds of minerals.
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What are the 3 types of rocks?
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Igneous rocks Sedimentary rocks Metamorphic rocks
3 types of rocks
How are each of these rocks formed?
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Melted rock cools and becomes hard
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igneous rocks
granitepumice
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Layers of mud and sand slowly turn into rock
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sedimentary rocks
sandstonelimestone
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Rock is changed by pressure and heat
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metamorphic rocks
gneissslate