Front

What is weathering?

Back

The breaking down of rocks over a long period of time.

Front

What is erosion?

Back

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

Front

What causes erosion?

Back

Erosion can be caused by wind, water, and ocean waves.

Front

What is one thing that does NOT cause erosion?

Back

Plants do not cause erosion.

Front

How can we prevent erosion?

Back

By planting grass and trees.

Front

What are sand dunes?

Back

Sand dunes are hills of sand formed by winds blowing.

Front

What is the role of water in erosion?

Back

Water can carry dirt and rocks downhill.

Front

What is the difference between weathering and erosion?

Back

Weathering is breaking down rocks; erosion is moving them.

Front

What natural forces can cause weathering?

Back

Wind, water, ice, and temperature changes.

Front

What is a fossil?

Back

A fossil is the remains of a plant or animal that lived long ago.