NAVIGATION IN ANTARCTICA TODAY: THE GLOBAL POSITIONING SYSTEM

Take a day, a week, or a whole month to learn how the Global Positioning System works and why it is used in Antarctica and across the globe.

• If you want teacher strategies, assessment, and a schedule for the unit, start with Curriculum Materials. Then download all the activities (with handouts) and readings.
• If you want stand-alone, hands-on, or research on the Web activities and don't need teacher strategies to go with them, go directly to Activities.
• If you want accessible content readings that will help your students connect to navigation techniques, go straight to Articles. You'll find interviews with real scientists as well as content readings written by or about Antarctic researchers.

		Navigation in Antarctica Today: The Global Positioning System Curriculum Materials for grades 7 through 12 Before satellite imagery, scientists navigated by matching up geologic formations with those shown in aerial photographs—a tough task in Antarctica, where there aren't many visible features.
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		Research on the Web: Global Positioning System Activity for grades 6 through 12 The thick cloud cover and treacherous conditions of Antarctica once made it impossible to map the entire continent. Learn about the navigation system that changed this—now used in some cars.
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		Locating a Point Activity for grades 6 through 12 The full force of the Antarctic winter is just days away, and you're deep into your research on a fallen meteorite. How can you mark its exact location for your return in six months?
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		Let's Talk with Carol Finn about Using GPS to Study Ice and Geology in Antarctica Article for grades 7 through 12 With most of its rocks buried and completely unknown, Antarctica is the last continental frontier. Go with Finn under the ice to find out how Australia and Antarctica once fit together.
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		Let's Talk with Bob Bindschadler about the Movement of Ice Sheets Article for grades 6 through 12 More than any other, the West Antarctic Ice Sheet has the greatest potential to raise sea levels all over the world. Learn how scientists are studying it, both in the field and back in the lab.
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		Letter from Stephanie: Global Positioning System Article for grades 6 through 12 The compass is great navigation tool—unless you're in Antarctica, where the magnetic pull of the nearby South Pole is so strong you can't get an accurate reading. Thank goodness GPS works everywhere!
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