Erosion and Weathering
⭐ MasteredWeathering breaks rocks into smaller pieces. Erosion then carries those pieces away using wind, water or ice.
The Grand Canyon was carved over millions of years by the river Colorado.
All about Erosion and Weathering
Weathering breaks rock into smaller pieces through forces like wind, rain, ice and temperature change. Erosion then carries those pieces away.
Over long periods, weathering and erosion shape mountains, valleys, beaches and canyons.
It can happen when water freezes in cracks and pushes them apart, when tree roots grow into rocks, or when rain and chemicals slowly wear away the surface. Weathering is very slow, but over a long time it can change whole landscapes.
A river carries sand and pebbles downstream, a glacier pushes rocks across the land, and strong winds can blow dust for hundreds of miles. Erosion carves valleys, creates beaches and builds up sand dunes.
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Real-life uses of Erosion and Weathering
- Understanding how beaches and cliffs change
- Explaining how soil forms
- Planning to protect coastlines
Frequently asked questions about Erosion and Weathering
What is the difference between weathering and erosion?
Weathering breaks rock apart. Erosion moves the pieces away.
What can cause erosion?
Wind, water and ice can all move rock and soil.