Our Lady’s High School - Geography Department Summer Term 1 – How did glaciers shape our landscape? Key words Definitions Key Concepts Glaciers – The Big Picture Scraping away of material. Abrasion Your place … 20,000 years ago. Glaciers are like rivers of ice- they flow. Where in the world are the glaciers? Today they cover about 10% of the Earth’s land. A hollow where a glacier Corrie started. What work do glaciers do? During the Ice Ages they covered a larger area. What landforms have been shaped by glacial Much of Britain was covered by ice during the last Ice A deep open crack in a erosion. Age which ended about 10,000 years ago. Crevasse glacier. What landforms have been created by glacial Glaciers scrape and shape the land creating special deposition. landforms Glacier A river of ice. How can we recognise glaciers on maps? We can see these landforms in Scotland and the Lake District and other parts of Britain. The period when the earth’s Why do glaciers matter? Ice age temperature was much lower than what it is now. Did you know? Geographical Skills – Reading OS Maps • 75 % of the world’s freshwater is A large pierce of ice that has frozen in glaciers Iceberg broken off from a glacier and is floating in the sea. Antarctica – a fragile ecosystem Lateral Material that the glacier moraine deposits on its side. Steep valley slopes Hill top The process of pulling rocks Plucking from the side and base of the valley, by a glacier. Pyramidal A sharp peak on a mountain peak created by glacial erosion. A cold region where the Tundra ground is deeply frozen. Ribbon Lake A valley shaped like a U that U-shaped has been carved out by a U Shaped Valley valley glacier.