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Glaciation
Revision
Question | Answer |
---|---|
What is the definition of Glaciation? (page 394 of textbook) | The processes and landforms caused by movement of glaciers |
What is the name of a period when continents were covered in large ice sheets? | An Ice Age |
What are the three important factors of causing an Ice Age? | Earth's orbit and axis, Earth's atmosphere and Ocean currents |
What are the two processes of glacial erosion? | Plucking and Abrasion |
What is the shape of a cirque? | Basin-shaped hollow |
What occurs between two cirques? | An arĂȘte |
How many cirques do you need at least to form a Pyramidal Peak? | 3 |
Which is a landform of glacial erosion? U-shaped valley or V-shaped valley | U-shaped valley |
Name an example for the answer to the previous question. | Gap of Dunloe in Co. Kerry |
Describe a Ribbon lake | It is a long, narrow lake on the floor of a U-shaped valley. |
Is a hanging valley a smaller or bigger glaciated valley? | Smaller |
Describe a fjord | It is a drowned u-shaped valley that is very deep and has steep sides. |
What is another name for a cirque lake? | A tarn |
Do glaciers transport small, medium or large amounts of material from upland areas? | Large |
What is an example of a lowland area for glacial deposition? | Boulder clay plains |
True or False: Drumlins are circle-shaped hills made of boulder clay. | False |
What kind of erratic boulders can be found in the Burren, Co. Clare? | Granite |
True or False: An outwash plain is a low flat area of land made of sand and gravel. | True |
Name a benefit of Glaciation. | Tourism |
Name a disadvantage of Glaciation. | Flooding |