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Earth • Plate Tectonics • Ocean Currents • Weather

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Earth

This cylinder is a projection of the entire terrestrial globe including all of the earth's land and ocean masses. Longitude is displayed at intervals of 15º, latitude is displayed every 10º, with a scale of projection of 1 inch = 40 miles. It is superior to flat maps in its total elimination of distortion, and is useful for studying weather patterns, ocean currents, time zones, social studies and current events. For the study of geography, earth science, geology and navigation. Item #SL-333, $675 domestic.

Note: also available, Item #SL-335 Geocentric Earth (view from the center of the earth), $675 domestic.

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Plate Tectonics

This global projection is based on the work of Dr. Paul D. Lowman on the Continental Drift Theory at the Goddard Space Flight Center. This map shows active ridges, faults, spreading centers and volcanic activity over the past 1 million years. Identification keys are clearly visible, making earth science instruction at junior high through college levels easy to illustrate. For earth science and geology. Item #SL-334, $675 domestic.

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Ocean Currents

This cylinder, similar in format to the Earth and Plate Tectonics cylinders, features both warm (red) and cold (blue) currents in the world's oceans. Along with the Go With the Flow curriculum by Gary D. Kratzer, the Ocean Currents cylinder will enable students to study the nature of currents, determine what causes them and discover the effects that the currents have on the earth. For earth science, weather patterns, the age of exploration, navigation and history. Item #SL-337, $675 domestic.

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Weather

The Weather cylinder depicts the earth's atmospheric circulation patterns including location of the wind systems and jet streams, as well as high and low air pressure masses. This colorful cylinder, in conjunction with A Current Affair, a 20-page curriculum booklet by Gary D. Kratzer, enables students to interactively explore pressure systems, storm systems, longitude and latitude coordinate plotting and other global weather phenomena. Students can even investigate the significance of the wind systems on the routes of early explorers and lean how the jet streams influenced military decisions during World War II, Adds a new dimension to teaching earth science, weather patterns, the age of exploration, navigation and history. Item #SL-338, $675 domestic.