Glaciation
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| How many years ago was the Ice age | show 🗑
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| what did snow turn into in upland areas | show 🗑
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| what was ice that moved to lowland areas because of gravity as great rivers of ice called | show 🗑
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| what happend when two glaciers joined together | show 🗑
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| show | almost one-third of the earth’s surface was covered in ice.
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| name two processes of erosion by moving Ice | show 🗑
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| show | as ice moves it creates friction which creates heat this heat causes the base of the glacier to melt the meltwater flows into cracks in rocks the water refreezes around the rocks and sticks to the glacier. when the ice moves forward again it plucks it out
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| explain abrasion | show 🗑
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| name the features of glacial erosion (there's 8) | show 🗑
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| show | Snow collects in a mountain hollow high up in the mountain. With repeated snowfalls, the snow compacts to form ice. A glacier is born. Through plucking and abrasion, the hollow grows deeper. Freeze-thaw action is also at work here.
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| Be able to describe the formation of a cirque part 2 | show 🗑
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| show | When two cirques form back to back, the ridge between them is known as an arête.
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| What are the ways of transport and deposition by moving Ice | show 🗑
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| show | Suprglacial= On the surface of the Ice
Englacial= Within the Ice
Subglacial= Underneath the Ice
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| show | 1. Terminal Moraine. 2. Drumlin. 3. Erratic. 4. Esker. 5. Outwash Plain
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| show | Glacial ice deposits boulder clay in irregular heaps. The ice retreats and then advances again. This time it shapes and smooths the boulder clay into rounded oval-shaped hills.
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| show | The steep slope of the drumlin is the direction from which the ice advanced. The gentle is the direction in which the ice was travelling.
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| Name the three impacts of Glaciation | show 🗑
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| Explain the Agriculture | show 🗑
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| Explain tourism | show 🗑
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| show | Glacial lakes provide natural reservoirs for the generation of hydroelectric power.
Turlough Hill is the central control point for all hydroelectricity generation throughout Ireland.
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Created by:
JMahango
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