Grade 4 Module 3 Twig

Front

What is weathering?

Back

Weathering is the process of breaking down rocks and minerals into smaller pieces due to natural forces like wind, water, and temperature changes.

Front

What is erosion?

Back

Erosion is the movement of weathered materials from one location to another, often caused by water, wind, or ice.

Front

True or False: All landscape changes are caused by humans.

Back

False

Front

Where does sediment in a basin typically come from?

Back

Sediment in a basin can come from the wearing down of mountains.

Front

True or False: Weathering and erosion affect structures built by people.

Back

True

Front

True or False: Water is the only cause of erosion.

Back

False

Front

True or False: Mountain streams carry sediment.

Back

False

Front

What are some causes of erosion?

Back

Erosion can be caused by water, wind, ice, and human activities.

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down materials, while erosion moves them.

Front

What role do plants play in preventing erosion?

Back

Plants help prevent erosion by holding soil in place with their roots.