Weathering & Erosion Review

Front

What is weathering?

Back

Weathering is the process that breaks down rocks into smaller pieces without moving them.

Front

What is erosion?

Back

Erosion is the process that moves weathered rock and soil from one place to another.

Front

Give an example of erosion.

Back

A stream carries bits of rock and soil away from the banks.

Front

What happens when water freezes in the cracks of a rock?

Back

The water expands and can break the rock apart, which is an example of weathering.

Front

What role do plant roots play in weathering?

Back

Plant roots can grow into cracks in rocks, causing the rocks to break apart over time.

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down rocks, while erosion moves the broken pieces.

Front

What is an example of weathering caused by temperature changes?

Back

A rock cracking when it goes from freezing temperatures to hot temperatures.

Front

What is mechanical weathering?

Back

Mechanical weathering is the physical breaking down of rocks into smaller pieces without changing their chemical composition.

Front

What is chemical weathering?

Back

Chemical weathering involves changes in the minerals within rocks, often due to reactions with water or other chemicals.

Front

How do glaciers contribute to erosion?

Back

Glaciers can move large amounts of rock and soil as they slowly flow over land.