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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 |