4.1 Geologic Change over Time

Front

What do scientists study to learn about past climate conditions?

Back

Scientists study the width of tree rings.

Front

Are fossils the only materials that provide information about Earth's climate history?

Back

No, fossils are not the only materials; other geological evidence also provides climate information.

Front

Does rock change after it forms?

Back

No, rocks can change over time due to various geological processes.

Front

What are ripple marks?

Back

Ripple marks are features on sedimentary rock that record the motion of wind or water waves over sediment.

Front

Is a volcano erupting an example of a geologic process?

Back

Yes, a volcano erupting is a geologic process.

Front

What is the process called when rocks are broken down into smaller pieces?

Back

Weathering.

Front

What is the term for the movement of sediment from one place to another?

Back

Erosion.

Front

What do geologists study to understand Earth's history?

Back

Geologists study rocks, fossils, and geological formations.

Front

What is a fossil?

Back

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

Front

What is sedimentary rock?

Back

Sedimentary rock is formed from the accumulation of sediment.