By Greg Young
During this attractive biography, youngsters will examine the interesting lifestyles, theories, and discoveries of Alfred Wegener. From his time in Greenland learning meteorology with sizzling balloons to his concept of Pangea, readers might be desirous to research extra approximately Wegener's contributions to technology and the strides he took in the direction of constructing the examine of plate tectonics. The easy-to-read textual content, obtainable thesaurus, priceless index, and fascinating evidence paintings at the side of the vigorous pictures and alluring lab job to interact readers from starting to end!
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Rachelle Cracchiolo begun the corporate with a pal and fellow instructor. either have been wanting to percentage their principles and keenness for schooling with different school room leaders. What all started as a pastime, promoting lesson plans to neighborhood shops, turned a part-time activity after an entire day of training, and finally blossomed into instructor Created fabrics. the tale persisted in 2004 with the release of Shell schooling and the creation assets and school room software books designed to help instructor Created fabrics curriculum assets. this present day, instructor Created fabrics and Shell schooling are of the main famous names in academic publishing world wide.
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Additional info for Alfred Wegener. Uncovering Plate Tectonics
Some have small, leathery leaves, or hair-like growth on leaves and stems that offer some protection from the cold. Many flowering plants are annuals that burst into life as soon as the surface begins to thaw and go from seed to seed during a very short life cycle. As temperatures begin to warm, a carpet of green will appear. Several weeks later, the carpet will have turned into a spectacular carpet of blossoms. In a matter of weeks, however, all evidence of their life cycle will be gone. Seeds can last for many years, until conditions are right for once again sprouting to life.
Lake and River Ice As a percentage of total area covered, the polar region has more fresh surface water than any other part of the world. On relatively flat terrain, about 40 to 60 percent of the surface is water covered and in some areas much more. Throughout most of the region, lakes and rivers remain frozen for 8 to 10 months of the year. For humans, the smooth ice creates an ideal surface for travel by dog sled or snowmobile, as well as aircraft takeoffs and landings. Arctic winds tend to keep the ice snow-free, which further facilitates travel.
If they are 55 56 Polar Regions A herd of caribou, or tuktu, as they are called by the Inuit, travel across the tundra in the Opingivik area of Canada’s Baffin Island. Caribou are well adapted to the Arctic’s frigid climate: They have a dense outer coat and a thick layer of fat to keep them warm. successful, the musk ox would be the only new animal to be domesticated in more than 2,000 years! The polar hare is hunted primarily for its heavy fur coat, which is used in making warm clothing. Lemmings, large ratlike animals, are important primarily as a source of food for carnivores.