Rocks

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Tiny rocks are called

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pebbles

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Sandstone is a type of

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sedimentary rock

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Metamorphic rocks are formed by

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heat and pressure

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The three types of rocks are

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igneous, sedimentary, and metamorphic

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Sedimentary rocks are formed by

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tiny materials such as salt and pebbles

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What is a boulder?

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A large rock.

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What is gravel?

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Small stones used for paths or driveways.

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What is an igneous rock?

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A rock formed from cooled magma or lava.

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What is a sedimentary rock?

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A rock formed from tiny pieces of other rocks or minerals.

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What is a metamorphic rock?

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A rock that has changed due to heat and pressure.