Rock Layers, Fossils and Geologic Time Scale Review

Front

What period are we currently in?

Back

Quaternary

Tags

NGSS.MS-ESS1-4

Front

How do scientists know when a mass extinction took place?

Back

They find a sudden disappearance of many fossil species.

Tags

NGSS.MS-LS4-1

Front

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

Back

The water covered the area long ago.

Tags

NGSS.MS-ESS2-2

Front

Use relative age dating to put the rock layers in correct order from oldest to youngest: C, E, D, A, B.

Back

C, E, D, A, B

Tags

NGSS.MS-ESS1-4

Front

What is the state of no longer existing?

Back

Extinction

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-1

Front

What are rock layers that form from sediment called?

Back

Sedimentary layers.

Front

What is a fossil?

Back

The preserved remains or traces of ancient organisms.

Tags

NGSS.MS-LS4-1

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 relative age dating?

Back

A method used to determine the age of rocks and fossils by comparing them to other rocks and fossils.

Tags

NGSS.MS-ESS1-4

Front

What evidence do scientists use to study past climates?

Back

Fossils and sediment layers.

Tags

NGSS.MS-LS4-1