Weathering and Erosion

Front

What is weathering?

Back

The breaking down of Earth’s crust into smaller and smaller pieces.

Front

Which one is the correct definition of weathering?

Back

Breakdown of rocks.

Front

What is erosion?

Back

The process by which water, ice, wind or gravity moves fragments of rock and soil.

Front

How do plants weather rocks?

Back

When roots grow into cracks of rocks and expand the rock.

Front

What can be done to slow down soil erosion?

Back

Plant grass and trees.

Front

What are the two main types of weathering?

Back

Physical weathering and chemical weathering.

Front

What is physical weathering?

Back

The breakdown of rocks without changing their chemical composition.

Front

What is chemical weathering?

Back

The breakdown of rocks through chemical reactions, altering their composition.

Front

Give an example of physical weathering.

Back

Frost wedging, where water freezes in cracks and expands.

Front

Give an example of chemical weathering.

Back

Acid rain reacting with limestone.