Weathering & Erosion

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into smaller pieces.

Front

What is erosion?

Back

Erosion is the movement of weathered materials from one place to another.

Front

What causes expansion and contraction in materials?

Back

Sunlight causes materials to expand when heated and contract when cooled.

Front

What is a mudslide?

Back

A mudslide is a fast erosion event caused by moving water and gravity.

Front

What is the main cause of the Grand Canyon's formation?

Back

Water is largely responsible for the formation of the Grand Canyon.

Front

What is deposition?

Back

Deposition is the process where eroded materials are dropped off in a new location.

Front

What role do tree roots play in weathering?

Back

Tree roots can break rocks apart as they grow, contributing to weathering.

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down rocks; erosion moves the broken pieces.

Front

What natural forces can cause erosion?

Back

Water, wind, and ice are natural forces that can cause erosion.

Front

What is chemical weathering?

Back

Chemical weathering involves changes in the minerals of rocks due to chemical reactions.