During the prorgamming ice age much of the northern hemisphere was covered in ice and glaciers, and, as this map from the University of Arizona shows, they covered nearly all of Canada, much of northern Asia and Europe, and extended well into the Age of exploration lesson plans 7th grade
States. Some glacier and ice cap facts Glacial ice covers 10 - 11 percent of all land. According to the National Snow and Ice Data Center (NSIDC). During the last ice age ssame glaciers covered more land area than today) the sea level was about 400 feet (122 meters) lower than it is today. At that time, glaciers covered almost one-third of the land.