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Home > Why We Have Seasons: Giant Earth Model with Built-In Solar Panel Digital Display
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Why We Have Seasons: Giant Earth Model with Built-In Solar Panel Digital Display
Why We Have Seasons: Giant Earth Model with Built-In Solar Panel Digital Display

Product NameSKUPriceQty
Model, Why We Have Seasons: Giant Earth with Built in Solar Panel Digital Display, TD/CT
WW4810200
 $429.99 




Product Information

With its unique chain and gear drive system, this giant Earth model can be used to demonstrate how the tilt of the Earth causes both seasonal change and the length of day and night to change. Mounted on the globe is a solar cell with digital display that is used to measure the amount of “radiation” that part of the Earth receives from the “sun” (the included flashlight) during each season of the year. The 23.5° tilt can be righted, which allows students to measure the radiation again to compare with their original findings. Developed by Claire Zurbuch. Includes instructions. Grades 7–10.
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