Types of Rocks

Front

What are the three main types of rocks?

Back

Igneous, Sedimentary, Metamorphic.

Front

What is an igneous rock?

Back

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

Tags

NGSS.MS-ESS2-1

Front

What is a sedimentary rock?

Back

A type of rock formed by the accumulation and compaction of mineral and organic particles.

Tags

NGSS.MS-ESS2-1

Front

What is a metamorphic rock?

Back

A type of rock that has been changed from its original form due to heat, pressure, or chemically active fluids.

Front

How are igneous rocks classified?

Back

Igneous rocks are classified into two main types: intrusive (plutonic) and extrusive (volcanic).

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks cool slowly beneath the Earth's surface, forming large crystals, while extrusive rocks cool quickly on the surface, resulting in small or no crystals.

Front

What are examples of igneous rocks?

Back

Granite (intrusive) and basalt (extrusive).

Tags

NGSS.MS-ESS2-1

Front

What are the two main processes that form sedimentary rocks?

Back

Weathering and erosion, followed by deposition and lithification.

Front

What is lithification?

Back

The process of turning sediments into solid rock through compaction and cementation.

Front

What are examples of sedimentary rocks?

Back

Sandstone, limestone, and shale.