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Read the Following Selection
Read about flying through the sky, or click on the play button below to listen aloud.
Flying Through the Sky
A car zooming along a road can move in just two different ways. A car can drive to the left or right and it can move up and down a hill. A plane can also tilt and twirl. Pilots use hinged flaps to change the shape of the plane in the air. This changes the aerodynamics and moves the plane.
The pilot can tilt the plane’s nose up or down by tilting horizontal strips on the tail up or down.
Flaps on the wings tilt up and down to roll the plane.
A hinged rudder on the vertical tail makes the plane turn left or right.
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1. How does tilting a flap change the drag on a wing?CorrectIncorrect
2. To go faster, should the flaps be flat or tilted?CorrectIncorrect
3. When a plane rolls, wind pushes up on one wing and down on the other wing. How does the pilot create these forces?CorrectIncorrect
4. A bird could push the back of its wings down to increase drag and slow itself down.CorrectIncorrect
5. What force does the engine create?CorrectIncorrect