Types of Rocks

Front

What are the three main types of rocks?

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Igneous, Sedimentary, and Metamorphic.

Front

What is an igneous rock?

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A type of rock formed from the cooling and solidification of magma or lava.

Front

What is the difference between intrusive and extrusive igneous rocks?

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Intrusive rocks form from magma that cools slowly beneath the Earth's surface, while extrusive rocks form from lava that cools quickly on the Earth's surface.

Front

What are sedimentary rocks?

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Rocks formed from the accumulation and compression of mineral and organic particles.

Front

What is metamorphic rock?

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Rocks that have been changed from their original form due to heat, pressure, or chemically active fluids.

Front

What is the process of metamorphism?

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The process by which existing rocks are transformed into metamorphic rocks through heat and pressure.

Front

What is a non-foliated metamorphic rock?

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A type of metamorphic rock that does not have a layered or banded appearance, such as marble.

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What is a foliated metamorphic rock?

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A type of metamorphic rock that has a layered or banded appearance, such as schist.

Front

What is sandstone?

Back

A sedimentary rock composed mainly of sand-sized mineral particles or rock fragments.

Front

What is coal?

Back

A sedimentary rock formed from the remains of ancient plants, primarily composed of carbon.