Airplane wings have a special shape. They are curved on the top. They are flat on the bottom. Airplanes can fly because of this special shape.
Photo Credit: National Air and Space Museum, Smithsonian Institution, Donated by Charles A. Lindbergh
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![Members of the Redbone Singers drumming group answered student's questions during an activity portion of St. Paul's first official Indigenous Peoples Day at American Indian Magnet School in St. Paul, Minn., on Monday, October 12, 2015. ]](https://k-5impactnewsgk-1.mheducation.com/wp-content/uploads/2018/09/OCT_GK1_012P.jpg)
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