Erosion is the wearing down and moving of rocks and soil from one place or another.

Erosion always happens quickly.

The activities of people can cause weathering and erosion.

Weathering and Erosion can carry away rich farm soil.

Erosion begins with _______________.

Weathering is the ______________of rocks ad soils on the Earth's surface.

Trees and other plants protect the soil from _______________.

As a rock becomes exposed on the surface, it is slowly broken down into ______________ by wind, rain, and ice.

At times, landslides, mudslides, or ____________cause erosion to happen very quickly.