
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
Fred Begay went to a boarding school. He learned English. … read more
Winter birds have adaptations that help them stay warm. Winter … read more
Raindrops are like prisms. When light goes through a prism, … read more
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