Distinguish among terminal end moraine, recessional end moraine, and ground moraine. Relate these moraines to the budget of a glacier .

Identify two locations where ice sheets are currently found.

What percentage of Earth’s land surface do glaciers presently cover? _____ %

How does the theory of plate tectonics help us understand the causes of ice ages ?

What is the source of heat for most hot springs and geysers? How is this reflected in the distribution of these features?

What is the source of heat for most hot springs and geysers? Describe what occurs to cause a geyser to erupt.

What is the source of heat for most hot springs and geysers ?

Does the theory of plate tectonics explain alternating glacial-interglacial climates during the Quaternary period? Why or why not ?

Describe how glaciers fit into the hydrologic cycle. What role do they play in the rock cycle ?

How does a glaciated mountain valley differ in appearance from a mountain valley that was not glaciated ?

Use the BM elevations from Question 1 to calculate the approximate gradient of the Genesee River. (Hint: See Question 7 in Activity 8.4A.) Gradient: ____________ feet per mile

Draw an arrow on the map, indicating the direction that the main river, the Genesee, is flowing. (Hint: Use the elevations of the two bench marks [BM] next to the river near the top and bottom of the map to determine your answer.)

Use the BM elevations from the previous question to calculate the approximate gradient of the Genesee River. Gradient: ________ feet per mile

Examine the numbers of each section shown in red on this map. Portions of how many congressional townships are represented? Portions of __________ congressional townships