Rock Cycle

Front

What is the rock cycle?

Back

The rock cycle is a continuous process that describes the transformation of rocks through various stages: igneous, sedimentary, and metamorphic.

Tags

NGSS.MS-ESS2-1

Front

What is a cast fossil?

Back

A cast fossil forms when minerals fill in the impression of a mold fossil, creating a replica of the original organism.

Tags

NGSS.MS-LS4-1

Front

What is a preserved remains fossil?

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Preserved remains are fossils that include the actual remains of an organism, such as a bug trapped in amber.

Front

How are igneous rocks classified?

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Igneous rocks are classified into two types: extrusive (formed from lava on the surface) and intrusive (formed from magma beneath the surface).

Front

What is the Precambrian era?

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The Precambrian era is the earliest part of Earth's history, covering the time from the formation of the Earth to the beginning of the Cambrian period.

Tags

NGSS.MS-ESS1-4

Front

What is relative age in geology?

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Relative age is the age of one object compared to another, indicating which is older or younger without providing an exact age.

Front

What is a mold fossil?

Back

A mold fossil is an impression left in sediment when an organism decays, creating a cavity in the shape of the organism.

Front

What are sedimentary rocks?

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Sedimentary rocks are formed from the accumulation and compaction of mineral and organic particles, often found in layers.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

Front

What are metamorphic rocks?

Back

Metamorphic rocks are formed when existing rocks are changed by heat, pressure, or chemically, resulting in new mineral structures.

Front

What is the difference between extrusive and intrusive igneous rocks?

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Extrusive igneous rocks cool quickly on the Earth's surface, while intrusive igneous rocks cool slowly beneath the surface.