Geological History

Front

What does relative dating of rock layers indicate about the age of rocks?

Back

The deeper the rocks are, the older they get.

Tags

NGSS.MS-ESS1-4

Front

Which area in Virginia has the oldest exposed bedrock?

Back

Hightown Valley.

Tags

NGSS.MS-ESS1-4

Front

What human behavior can help prevent a sixth mass extinction?

Back

Using solar energy as a source of energy.

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

Front

List the layers of rock in order from oldest to youngest: A, B, C, D, E.

Back

E, B, C, D, A.

Tags

NGSS.MS-ESS1-4

Front

Why are similar fossils found all over the world?

Back

The land masses were once connected.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Front

What is the principle of superposition in geology?

Back

In an undeformed sequence of sedimentary rocks, the oldest layers are at the bottom.

Tags

NGSS.MS-ESS1-4

Front

Define 'fossil'.

Back

A fossil is the preserved remains or traces of a once-living organism.

Tags

NGSS.MS-LS4-1

Front

What is the significance of index fossils?

Back

Index fossils are used to identify and date the layers of rock in which they are found.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Front

Explain the concept of plate tectonics.

Back

Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle.

Tags

NGSS.MS-ESS2-3

Front

What is the difference between absolute dating and relative dating?

Back

Absolute dating provides a specific age, while relative dating places events in order without exact dates.