Weathering and Erosion 1

Front

What happens to a rock when it weathers?

Back

It breaks into small pieces.

Front

Which statement DOES NOT describe how rocks can be weathered?

Back

Rock pieces are moved from one place to another.

Front

What type of weathering is caused by tree roots?

Back

Physical weathering.

Front

Why does water trapped in cracks of a rock cause weathering?

Back

Water expands when it freezes.

Front

What do physical and chemical weathering both do?

Back

Break rocks into smaller pieces.

Front

Define weathering.

Back

The process of breaking down rocks into smaller pieces.

Front

What is erosion?

Back

The process of moving weathered rock and soil from one place to another.

Front

What role does water play in weathering?

Back

Water can fill cracks in rocks, freeze, and expand, causing the rock to break.

Front

What is chemical weathering?

Back

The process that changes the chemical composition of rocks.

Front

Give an example of physical weathering.

Back

Tree roots growing in cracks of rocks.