Weathering
Presentation
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Science
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4th Grade
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Practice Problem
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Medium
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NGSS
4-ESS2-1
Standards-aligned
Katrina Taaffe
Used 36+ times
FREE Resource
5 Slides • 1 Question
1
Weathering
Weathering is the breaking down of larger rocks into smaller rocks.
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Physical Weathering
The main types:
- caused by freezing and thawing
- cracks in the land surface due to pressure
- wind and water
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Biological Weathering
Where living things have helped to break larger rocks into smaller rocks.
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Chemical Weathering
When water reacts with the minerals in rocks to form new minerals.
Eg. Limestone is weathered by rainwater containing dissolved carbon dioxide.
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Weathering
Weathering is the breaking down of larger rocks into smaller rocks.
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