Weathering breaks down the rock, and erosion carries the rock away. In this video, I explain the difference between weathering and erosion.
Weathering weakens rocks and breaks the rock down using chemical or physical changes.
The physical changes may be abrasion, wind, water, or ice.
Chemical changes include oxidation, hydrolysis, and carbonation.
Erosion moves the broken down rock away. This may include wind, water, or ice.