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Topic – Aircraft Without Motors

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Read the Following Selection

Read about aircraft without motors, or click on the play button below to listen aloud.

Aircraft Without Motors

Some aircraft do not need a motor.

Hot-Air Balloons

To take a ride in a hot-air balloon, you climb into the basket that hangs from the huge balloon. In the basket is a source of heat that warms the air in the balloon. This warm air makes the balloon rise. Hot-air balloons are used for recreation. They are also used to send weather recording devices high into the sky.

Kites

Kites are some of the oldest flying objects. Kites have been used as signals. They have also been used to take pictures from high in the sky, and to lift scientific instruments. Today, kites are mostly used for fun. Maybe you flew a kite at the park. Some people use very large kites to pull them across the water or snow.

Gliders

Because they have no engines, gliders depend on wind and air currents to keep them in the sky. Many gliders need a plane to get them up in the air. They are only designed to descend. Gliders are mostly used for sports such as gliding and hang gliding. They are also used for flight research. Paper airplanes that you make are actually gliders.


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