humankind nature powered flight non-powered flight
TRANSCRIPT
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HUMANKIND VS
NATURE
Flight
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There are 2 types of flight
Humankind Nature
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Powered Flight
Non-Powered Flight
Humankind
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POWERED FLIGHT
• Helicopters• Aeroplanes – different types
• Rockets• Satellites• Dirt bikes• Blimp
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BlimpWhat makes a
blimp fly?
• Mixture of helium and air is used to help the ship float.
• Wings and propellers keep the blimp moving in the right direction.
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Dirt bikes
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Helicopter
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Aeroplane
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Rocket
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SatellitesWhat keeps them
in orbit?
• Air Resistance• No atmosphere• Weight • Speed
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NON-POWERED FLIGHT• Hang Gliders
• Kites• Parachutes• Sport
• Skateboards• Projectiles – darts
• People• Hot air balloon
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Hot Air Balloon
• Hot air filled in the balloon makes it go up.
• Releasing the hot air out the valve makes it go down.
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People• Pilots
• Acrobats
• Astronauts
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Projectiles
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Skateboards
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Sport• High jump• Long jump• Triple jump• Gymnastics• Trampolining
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Parachutes
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Kites
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HANG GLIDING• Pilot must run down the slope• Wind generates lift• Gravity keeps it in the air
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• Birds• Plants• Animals• Insects
• Shooting Star
NATURE
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Birds
How does a bird fly through the air?
When a bird flaps its wings, air is pushed downward. This produces an opposite force that “lifts” the bird into the air. Since a bird’s wing is in the shape of an airfoil, it produces some lift even when the bird is just gliding.
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Shooting Stars
Gravity! "Shooting stars" are space rocks falling to Earth. They glow because of the extreme heat generated by their passage through the atmosphere.
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Insects
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Animals
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Plants