Rocks and Minerals

Front

What is metamorphic rock?

Back

Rock formed when existing rock is changed by heat and pressure.

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What is magma?

Back

Molten or liquid rock that is beneath Earth's surface.

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What is weathering?

Back

The process that breaks down rocks into smaller pieces by chemical or physical forces.

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What is luster in minerals?

Back

How a mineral reflects light.

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What is sedimentary rock?

Back

Rock formed from the accumulation and compaction of mineral and organic particles.

Front

What is the process of erosion?

Back

The movement of rock pieces from one place to another by water, wind, or ice.

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What is a mineral?

Back

A solid made up of one or more minerals, with a defined chemical composition.

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What is the difference between intrusive and extrusive rock?

Back

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

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What is compaction?

Back

The process by which sediments are pressed together under their own weight.

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What is the rock cycle?

Back

The continuous process by which rocks are formed, broken down, and reformed.