National Geographic : 1996 Jan
NATIONAL GEOGRAPHIC Geog 1ide As the expedition went on, the evening tent lights of March (below) gave way to 24-hour sunlight. Toward journey's end, drifting snow and ice ridges confronted the polar team (right) off Canada's Ellesmere Island. Across a frozen sea * The polar travelers were awed by the powerful sounds of shifting ice as it heaved and split. If you drop freshly frozen ice cubes into a glass of water, they will crack loudly. Imagine the sound if the ice were eight feet thick -and you were walk ing on it. * Onthemaponpage80, earth's northernmost point-the North Pole--is not at the top of the map. If you walk your fingers from the map's North Pole toward the top of the page, in what compass direction will you be going? * Snow and ice ridges some times slowed the travelers to a few miles a day. What are two other obstacles found in cross ing sea ice? * For more than two months huskies ran with the polar team, hauling 700-pound sleds. After the dogs were flown out in mid June, how did the team trans port its gear? Why did the dogs have to leave? * Comparing the maps on pages 80 and 88, why do you think the four 1995 polar teams all took similar routes? USE GEOGUIDE ALONG WITH THE ARTICLE "DISPATCHES FROM THE ARCTIC OCEAN" IN THIS ISSUE TO HELP CAPTURE THE INTEREST OF YOUNG READERS AND STIMULATE DISCUSSION WITH THEM. GEOGUIDE IS FEATURED FOUR TIMES A YEAR.