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
In the Know
Winter Wonders
Winter has begun. Many places find ways to make the … read more
In the Know
Animals in Winter
Some animals cannot survive in cold weather. Butterflies migrate. They … read more
In the Know
World Cup Begins in November
Fans gather to watch games. They dress up. They cheer. … read more