# Bernoulli's Principle

## Quiz by Alyssa Woolever

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9 questions
• Q1
When a plane flies there is more air pressure here...
The bottom of the wing
the bottom of the plane
inside of the cabin in the plane
the top of the wing
30s
• Q2
What causes the differences in air pressure when a plane flies
the speed of the plane
the shape of the body of the plane
the weight of the plane
the shape of the wing
30s
• Q3
How does higher pressure on the bottom of the wing cause lift?
higher pressure pushes up on the bottom of the wing
the plane floats
lower pressure on the bottom of the wing pushed up the plane
the plane does not lift off due to pressure
30s
• Q4
What does Bernoulli's Principle State?
air molecules move at different speeds in general which causes things to lift
lift is generated from the weight of the plane while moving
Air molecules have pressure differences in themselves that cause lift
That air molecules move around the wing at different speeds causing pressure differences
30s
• Q5
What causes air pressure during flight?
The speed of air molecules around the wing shape
the weight of the plane
the speed of air-molecules floating in the air
temperature differences
30s
• Q6
Why does air pressure around the plane not cause it to move side to side?
it does cause it to move side to side but the pilot of the plane adjusts
air molecules only move up and down
the side to side movements of air molecules don't affect the plane
the plane is moving forward, thus the air molecules around move directly over top and bottom of the plane, and less are moving around the side of the plane
30s
• Q7
Does wing shape matter in flight? Why or Why not?
yes, the wing shape matters because this is how a plane steers
No, the plane body shape is more important for the particples to move around the entire body
Yes, wing shape determines the speed of the air molecules, and thus the air pressure createsd
No, the wing shape does not matter because air molecules move at a set speed
30s
• Q8
What is air pressure
air movement
the pressure of objects on the air around it
the force of air on objects around it
air speed
30s
• Q9
Can Bernoulli's principle explain how other creatures fly?
no, they are only able to fly due to flapping their wings
yes, Bernoulli's principle is used to exactly explain how animals fly
Yes, but it explains how flying animals glide in the air
no, animals can not fly
30s

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