Lesson 3: Ice on the Move So when was the last time you saw an ice cube out for an afternoon stroll? How does ice move? Photo courtesy of www.coolantarctica.com Photo courtesy of Andrill Ice Sheets
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So when was the last time you saw an ice cube out for an afternoon stroll?
How does ice move?
Photo courtesy of www.coolantarctica.com
The ice that covers Antarctica is actually a part of an Ice Sheet. Some parts of the Ice Sheet are over 2 miles thick .
So how does a huge piece of ice move?
The base of the Ice Sheet moves over land. It actually moves very slowly grinding against mountains, valleys, and carrying rocks down hill as it goes
Photo Courtesy of David Blaine, USAP
A thick floating platform of ice flows down to the coastline and onto the ocean surface.
Photo courtesy of www.earth.rice.edu