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Aerial erosion also has a role to play in the formation of coastal features such as the Bullers of Buchan in Aberdeenshire. Here weaknesses in the rock stretch to the surface above a cave, resulting in the formation of a blowhole. In Stonehaven, weathering has resulted in slumping when material saturated by rain has become too heavy and unstable to stay up.
This clip is from:
First broadcast:
17 October 2007

Classroom Ideas

Show pupils the clip. Then ask them to model how blow holes and slumping are created by weathering using play dough and post-it note labels.

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