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What is a helicopter?
A helicopter is any aircraft that uses spinning blades to fly.
Yes, even drones count as helicopters.
How do the blades work?
The fast rotation of helicopter blades creates thrust, which is a force need for helicopters to move in any direction. Helicopters also use their specially shaped blades in order to create lift, which is a force that raises and keeps helicopters in the air.
What do helicopters do?
With their easy and stable movement, helicopters can serve many purposes. Helicopters are often used to rescue people from hard-to-reach places like mountains and oceans. They can also deliver heavy materials to different locations and even onto boats. Some helicopters are even made to hold gallons and gallons of water used to drop on out-of-control fires.
Learn more about how helicopters work by watching this in-depth video
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