Fossils and Geologic Time Scale

Front

What is a fossil?

Back

The remains or physical evidence of an organism preserved by geologic processes.

Tags

NGSS.MS-LS4-1

Front

What type of fossil is a cast?

Back

A cast is a type of fossil that looks just like the body part of a once-living thing.

Front

What is an ice core?

Back

An ice core is a long cylinder of ice collected from ice caps that provides climate data.

Tags

NGSS.HS-ESS3-5

Front

What can we infer about animals with dull teeth?

Back

They likely ate only plants.

Front

What is a mold fossil?

Back

A mold fossil is an impression left in sediment that shows the shape of an organism.

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What is a trace fossil?

Back

A trace fossil is evidence of an organism's activity, such as footprints or burrows.

Front

What is preserved remains?

Back

Preserved remains are actual parts of an organism, such as bones or teeth, that have been preserved.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What is the geologic time scale?

Back

The geologic time scale is a system of chronological dating that relates geological strata to time.

Tags

NGSS.MS-ESS1-4

Front

What are the main types of fossils?

Back

The main types of fossils are mold, cast, preserved remains, and trace fossils.

Front

How can fossils be preserved?

Back

Fossils can be preserved in rock, amber, asphalt, or ice.