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GCSE Geography · key term
A large mass of ice formed from accumulated, compressed snow that moves slowly under gravity.
Used by AQA and Edexcel
Specification 3.1.3.4 · Paper 1
A large mass of ice formed from compressed snow that moves slowly under gravity.
Revise: Glacial Processes and Landforms of ErosionMany British uplands contain broad valleys, sharp ridges and mountain hollows that rivers alone cannot explain. These landscapes were shaped by glaciers: large masses of ice that move slowly under gravity. Snow accumulated over many years and was compressed into glacial ice.
Specification 1.2, 1.11, 1.14 · Paper 1
Show interaction rather than listing processes: glaciers steepen valley sides, weathering loosens rock, and slope processes move it.
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A slow-moving mass of ice that can erode the land and transport rock and sediment.
Glaciers moved through upland valleys, eroding their floors and sides. They widened and deepened valleys into broad U-shaped troughs, with steep sides and relatively wide floors. Glacial erosion also helped create corries, arêtes and hanging valleys, contributing to the rugged appearance of places such as the Lake District and mountainous Wales.
A mass of ice that moves slowly under its own weight.
Paper 2
A large mass of ice formed from accumulated, compressed snow that moves under gravity.
Revise: UK Landscape Development: Tectonic and Glacial ProcessesWeathering and erosion have worn them down, while later glaciers reshaped their valleys and slopes. Tectonic activity provided the foundations; subsequent processes modified them.