Discussion Questions: Glaciers

Imagine an icy mass composed of ice crystals, air, water, and rock debris, which has been inching away from the ocean in which it was formed. Is this icy mass a glacier?
Why do some areas that receive lots of snow have no glaciers? What are important factors to glacier formation?
What is the difference between an ice sheet and an ice cap?
The South Pole has a huge ice sheet, but the North Pole does not have one. Why?
What determines the rate at which a glacier moves?