Weekly Review 2.3

Front

What process is responsible for the formation of sand dunes?

Back

Wind deposition is the process that forms sand dunes.

Front

What does a closely spaced contour line indicate on a topographic map?

Back

A closely spaced contour line indicates a steep slope.

Front

What is an example of chemical weathering?

Back

Rusting of iron is an example of chemical weathering.

Front

What does a contour line labeled 200 meters signify?

Back

It signifies that the elevation is 200 meters above sea level.

Front

What symbol on a topographic map represents a peak or summit?

Back

A triangle represents a peak or summit on a topographic map.

Front

Define wind deposition.

Back

Wind deposition is the process where wind transports and deposits sand and other materials, forming features like dunes.

Front

What is the significance of contour lines on a map?

Back

Contour lines represent elevation and the shape of the terrain.

Front

Explain the difference between chemical weathering and physical weathering.

Back

Chemical weathering involves changes in the chemical composition of rocks, while physical weathering involves the breaking down of rocks without changing their chemical composition.

Front

What does it mean if contour lines are widely spaced?

Back

Widely spaced contour lines indicate a gentle slope.

Front

What is the role of plant roots in weathering?

Back

Plant roots can break rocks apart, contributing to physical weathering.