3.1 Rock Cycle

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What is the rock cycle?

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The rock cycle is a continuous process that describes the transformation of rocks through various geological processes, including igneous, sedimentary, and metamorphic formations.

Tags

NGSS.MS-ESS2-1

Front

What are igneous rocks?

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Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava).

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What processes lead to the formation of igneous rock?

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Melting and solidification.

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What is lava?

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Lava is molten rock that erupts onto the surface of the Earth during a volcanic eruption.

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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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How are sedimentary rocks formed?

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Sedimentary rocks are formed when bits of older materials are pressed together through burial, compaction, and cementation.

Tags

NGSS.MS-ESS2-1

Front

What is the age of the Earth according to fossil records and age dating?

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The Earth is approximately 4.6 billion years old.

Tags

NGSS.MS-ESS1-4

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What is the most common rock type on Earth's crust?

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The most common rock type on Earth's crust is sedimentary rock.

Tags

NGSS.MS-ESS2-1

Front

What is metamorphic rock?

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Metamorphic rock is formed when existing rocks are changed by extreme heat and pressure.

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What is weathering?

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Weathering is the process of breaking down rocks into smaller pieces through natural forces like wind, water, and temperature changes.