The Earth

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					The Earth

Earth's layers
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Crust Mantle Inner Core Outer Core

Compare these layers to the parts of an apple.

Parts of an apple
Peel = crust Fruit = mantle Outer core = core Inner core = seed

What are the 3 types of rocks?

3 types of rocks
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Igneous rocks Sedimentary rocks Metamorphic rocks

How are each of these rocks formed?

Melted rock cools and becomes hard

Layers of mud and sand slowly turn into rock

Rock is changed by pressure and heat


				
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