Rocks are classified into three classes.

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A rockhound is a person who collects rocks.

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All rocks have the same color, shape and texture.

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Tags

NGSS.5-PS1-3

Rockhounds classify rocks and display them.

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Igneous rocks form from weathered rock particles.

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Metamorphic rocks are formed by pressure and heat.

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Fossils often are found in sedimentary rocks.

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We can classify living things as plants, animals and humans.

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Limestone is one of the three classes of rocks.

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Magma flows onto the surface to form igneous rocks.

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