Earth Revealed: Video 23 Glaciers
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Use the video to answer these questions. The questions should be on another sheet of paper.
Video Study Guide: Earth Revealed Episode 23: Glaciers
Use the video to answer these questions. The questions should be on another sheet of paper.
Video Study Guide: Earth Revealed Episode 23: Glaciers
- What do glaciers leave behind when they retreat?
- Describe how snow is converted to glacial ice.
- What part of a glacier moves quickest? What part moves slowest?
- What is basal slip?
- Why do continental ice sheets flow away from their center?
- What is the snowline, and what does it separate?
- What are striations?
- What is till?
- What are moraines?
- Summarize the theories concerning the origin of ice ages.
- Why do rivers often run faster during an ice age?
- How do atmospheric CO2 levels relate to ice ages?
- How long ago did the last ice age end?