Objectives for the topic: Glaciers

Reading: Chapter 12 in Tarbuck and Lutgens

Images to understand: 12.1, 2, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 17, 18, 21, 23, 25, 31, 32, 34, Boxes 12.1, 4

After completing this topic, the student will be able to:

1. Define a glacier (contrast to a snow field).
2. Describe how glacial ice moves.
3. Explain the difference between a retreating glacier and an advancing glacier.
4. Recognize that ice is a mineral and ‘glacial ice’ is a metamorphic rock.
5. Distinguish between alpine (valley) glaciers and continental (icesheet) glaciers.
6. Recognize three landforms created by glacial erosion, and explain how they form:
   • u-shaped valley
   • cirque
   • horn
   • arete
   • hanging valley
7. Recognize the following landforms created by glacial melting and deposition, and explain how they form:
   • end moraine
   • lateral moraine
   • outwash plain
   • esker
8. List the date for the last glacial maximum in NW Washington.
9. Recognize and describe glacial till.
10. Explain the leading hypothesis for the cause of Ice Ages.