Types of Rocks

Front

Extrusive Rocks are formed

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Above the surface of the Earth.

Front

Foliated Rocks are

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Metamorphic.

Front

Organic Rocks are formed when

Back

the remains of plants or organisms are deposited in thick layers.

Front

Nonfoliated Rocks have grains arranged in

Back

randomly.

Front

A type of rock that forms from the cooling of molten rock (magma or lava) at or below the Earth's surface is called

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Igneous.

Front

What are the three main types of rocks?

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Igneous, Sedimentary, Metamorphic.

Front

Sedimentary Rocks are formed by

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the accumulation and compaction of mineral and organic particles.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Front

What is the process of rock formation called?

Back

The rock cycle.

Front

Metamorphic Rocks are formed by

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the alteration of existing rocks through heat, pressure, or chemically.

Front

What is the main characteristic of Igneous Rocks?

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They are formed from cooled magma or lava.