Mr. Glenn also works with his Inupiat Eskimo community to combine traditional knowledge with modern scientific training in geology. As a community leader, he must work hard to keep his company running well. One of the decisions he must make is whether or not to expand his business by purchasing a company in Anchorage. In this program, he must balance his time between his business and his work in the field. One of his methods of observing ice is to look at sheets of ice through polarized lenses, which prevent certain wavelengths of light from passing through.
Students can observe ice in the same way.
Freeze thin flat pieces of ice on sheets of plastic wrap. Turn the lenses to see the different colors. Each colored area shows a different thickness in the sheet of ice. Inc. All rights reserved.