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How does weather change the shape and appearance of mountains?

How does weather change the shape and appearance of mountains?
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Key Info
  • How does weather change the shape and appearance of mountains?
  • Duration: 03:00
  • A look at how weathering and erosion have changed the shape and appearance of Snowdon in Wales. First, scree is shattered and broken away by frost action in a process called 'weathering'. This is a slow but spectacular process. Erosion also causes changes to the landscape when rocks and stones carried in streams are worn down. Erosion caused a spectacular change to the mountain 1,000,000 years ago when a glacier melted, carving out a U-shaped valley.
  • Subject:

    Geography

       Topic:

    Mountains

  • Keywords: scree, weathering, erosion, landscape, deposits, glacier, valley, Snowdon, Snowdonia, ice age
Ideas for use in class
  • Photographic evidence and visuals in this clip can be used to explain the physical processes of weathering and erosion.
Background details
  • Clip language : English
  • Aspect ratio : 16x9
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