Weathering and Erosion

Front

What is weathering?

Back

The breaking down of Earth’s crust into smaller and smaller pieces.

Front

What is erosion?

Back

The process by which water, ice, wind, or gravity moves fragments of rock and soil from one place to another.

Front

What causes erosion?

Back

Water, ice, wind, and gravity.

Front

What is deposition?

Back

The process by which water, ice, wind, or gravity deposits rock sediments and soil in a new place.

Front

How does wind contribute to erosion?

Back

Wind can blow sand and other particles from one location to another.

Front

What is an example of weathering?

Back

Wind blasting sand at rock and carving out caves.

Front

What natural force can create canyons over time?

Back

Water.

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down rocks; erosion moves the broken pieces.

Front

What role does ice play in weathering?

Back

Ice can expand in cracks of rocks, causing them to break apart.

Front

What is mechanical weathering?

Back

The physical breaking down of rocks without changing their chemical composition.