Rock Layers, Fossils and Geologic Time Scale Review

Front

What can we infer about an animal with sharp, pointy teeth?

Back

The animal is a carnivore.

Front

What does the term 'extinction' mean?

Back

The state of no longer existing.

Tags

NGSS.MS-LS4-1

Front

If a scientist finds a fish fossil in the desert, what can they infer?

Back

The water covered the area long ago.

Tags

NGSS.MS-ESS2-2

Front

What is the long span of time that begins geologic time?

Back

Precambrian Time.

Tags

NGSS.MS-ESS1-4

Front

Which is the youngest rock layer?

Back

Mudstone.

Tags

NGSS.MS-ESS1-4

Front

What are sedimentary layers?

Back

Layers of rock formed by the accumulation of sediment.

Front

What is a fossil?

Back

The preserved remains or traces of a once-living organism.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What does the geologic time scale represent?

Back

A timeline of Earth's history divided into different periods.

Tags

NGSS.MS-ESS1-4

Front

What is the significance of the Cenozoic Era?

Back

It is the most recent era in the geologic time scale, known for the rise of mammals.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

Front

What can fossils tell us about past environments?

Back

They provide evidence of the conditions and organisms that existed in the past.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2