3.2.1-3.2.2 Types of Rocks & Rock Cycle

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What are the three main types of rocks?

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Igneous, Sedimentary, and Metamorphic.

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How are igneous rocks formed?

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Igneous rocks are formed from the cooling and solidification of magma or lava.

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What is magma?

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Magma is molten rock located beneath the Earth's surface.

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What is lava?

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Lava is molten rock that erupts onto the Earth's surface.

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What is the rock cycle?

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The rock cycle is the continuous process of rock formation, breakdown, and reformation.

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What are sedimentary rocks?

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Sedimentary rocks are formed from the accumulation and compaction of mineral and organic particles.

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What are metamorphic rocks?

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Metamorphic rocks are formed from existing rocks that are changed by heat, pressure, or chemical processes.

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What is weathering?

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Weathering is the process of breaking down rocks into smaller pieces by natural forces.

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What is erosion?

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Erosion is the process of moving weathered rock and soil from one location to another.

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What is a mineral?

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A mineral is a naturally occurring inorganic substance with a definite chemical composition and crystal structure.