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Grade 5 Science · World 1: Earth Shapers · Level 3
Erosion
Explain how water, wind, ice, and gravity carry pieces away; Providence Canyon as a Georgia example.
Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.
What children learn in Level 3
- Erosion carries broken rock and soil to a new place. The material being carried is called sediment.
- Four things do most of the carrying: water, wind, ice, and gravity.
- Moving water is the strongest. Over a very long time, a river can cut a deep canyon. Tallulah Gorge in Georgia was cut by a river.
- Erosion can happen faster when land is bare. In Georgia, poor farming in the 1800s let rain carve the gullies of Providence Canyon.
Georgia Standards of Excellence in Science:
- S5E1.a — Construct an argument supported by scientific evidence to identify surface features (examples could include deltas, sand dunes, mountains, volcanoes) as being caused by constructive and/or destructive processes (examples could include deposition, weathering, erosion, and impact of organisms).