Science glossary · Australia
Erosion
When wind, water or ice carry away bits of rock and soil.
Weathering breaks rock into pieces; erosion moves the pieces somewhere else.
Example: A river slowly carves a valley by carrying sand and stones downstream.
Lessons, worksheets, practice and tools on this: Rocks, soil and water.
Related words
- Water cycle: The way water moves between the land, the oceans and the air, over and over.
- Weathering: The slow breaking down of rock into smaller pieces by wind, water, ice or plants.
- Mineral: A solid substance found in nature that was never alive and has a definite chemical makeup.
- Fossil: The preserved remains or traces of a living thing from long ago.