Earth's History

What does this diagram tell you about these different time periods? Select all that apply

• The actual length of time for each one

• The order in which they occurred

• The length of time they lasted in relation to each other

• I don't know

Tags

NGSS.MS-ESS1-4

Which statements correctly describe the geologic time scale? Choose all that apply

• It is divided into equal periods of time

• It is divided based on evidence in the fossil record

• Some events are arranged according to relative dates

• It is divided based on evidence in the rock record

Tags

NGSS.MS-ESS1-4

The rock layers were laid down horizontally and are undisturbed. Therefore you can conclude that the white is ______ than the red layer.

Tags

NGSS.MS-ESS1-4

These rock layers in the photo were laid down horizontally and undisturbed. There you can conclude that the thick brown layer is the _________- of the layers shown here

Tags

NGSS.MS-ESS1-4

An extremely thin layer of volcanic ash is found between the white layer and the thin red layer in the middle. Absolute dating showed that the ash is 43 million years old. What can you conclude based on this information?

• the top layer is also volcanic

• the middle layer is also about 43 million years old

• the top layer is younger than 43 million years old

• the bottom layer is older than 43 million years old

Tags

NGSS.MS-ESS1-4

How is it possible to look at the geologic processes that shape Earth today to learn about the past?

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3