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Chemical Weathering Mechanical Weathering or

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Presentation on theme: "Chemical Weathering Mechanical Weathering or"— Presentation transcript:

1 Chemical Weathering Mechanical Weathering or
Look at each picture and decide if it is an example or chemical weathering or mechanical weathering Ch Chemical Use white board: And write M Mechanical

2 Chemical Weathering Mechanical Weathering or Ice Wedging

3 The rocks have changed to Stalagmites and Stalactites
Chemical Weathering Mechanical Weathering or Stalactites Stalagmites The rocks have changed to Stalagmites and Stalactites

4 Chemical Weathering Mechanical Weathering or Ice Wedging

5 The iron in the soil is rusting (changing)
Chemical Weathering Mechanical Weathering or The iron in the soil is rusting (changing)

6 Chemical Weathering Mechanical Weathering or Tree roots expanding

7 The iron nails are rusting (changing)
Chemical Weathering Mechanical Weathering or The iron nails are rusting (changing)

8 “Dust Bowl” Wind weathering and erosion
Chemical Weathering Mechanical Weathering or “Dust Bowl” Wind weathering and erosion

9 “Lichens” growing on the rock and changing the surface
Chemical Weathering Mechanical Weathering or Brown area “Lichens” growing on the rock and changing the surface

10 Both chemical and mechanical: Tree roots, water, acid, everything
Weathering Mechanical Weathering or Both chemical and mechanical: Tree roots, water, acid, everything

11 The metal is rusting (changing)
Chemical Weathering Mechanical Weathering or The metal is rusting (changing)


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