Rocks and Rock Cycle

Front

What is an igneous rock?

Back

An igneous rock is formed from the cooling and solidification of lava or magma.

Front

What is the difference between extrusive and intrusive igneous rocks?

Back

Extrusive igneous rocks form from lava on Earth's surface, while intrusive igneous rocks form from magma below the surface.

Front

How are sedimentary rocks formed?

Back

Sedimentary rocks are formed when sediments are pressed together over time.

Front

What are sediments?

Back

Sediments are broken-up rock particles that can be transported and deposited.

Tags

NGSS.MS-ESS2-1

Front

What processes contribute to the formation of sedimentary rocks?

Back

Weathering, erosion, deposition, compaction, and cementation.

Tags

NGSS.MS-ESS2-4

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into smaller pieces due to environmental factors.

Front

What is erosion?

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Erosion is the movement of sediments from one location to another, often by wind, water, or ice.

Tags

NGSS.MS-ESS2-2

Front

What is deposition?

Back

Deposition is the process where sediments settle out of a transporting medium and accumulate.

Front

What is compaction?

Back

Compaction is the process where sediments are pressed together under pressure, reducing their volume.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Front

What is cementation?

Back

Cementation is the process where dissolved minerals crystallize and bind sediments together.