🌪️ Bernoulli's Principle and Lift
This quiz explores Bernoulli's principle—the key physics concept explaining how faster-moving air creates lower pressure. You'll learn why airplane wings and bird wings generate lift, how wing shape and orientation matter, and how pressure differences produce the upward force that keeps planes and birds in the air. Perfect for Grade 6 students mastering Ontario's electricity and flight curriculum.
Questions in this quiz
Answers hidden — play to find out.
- Question 1
What does Bernoulli's principle state about the relationship between air speed and pressure?
- Question 2
Bernoulli's principle applies only to airplanes and does not affect how birds fly.
- Question 3
Why does faster-moving air over the curved top of an airplane wing create lower pressure?
- Question 4
In an airfoil wing, how does the shape of the wing cause air to move at different speeds above and below?
- Question 5
The pressure above an airplane wing is lower than the pressure below it, and this pressure difference creates an upward lifting force.
- Question 6
What happens to the lift force if an airplane increases its speed through the air?
- Question 7
Which statement best explains why the angle of attack (tilt of the wing) affects lift?
- Question 8
A flat board tilted at an angle can generate lift from Bernoulli's principle, even without a curved airfoil shape.
- Question 9
In a simple classroom demonstration, if you hold a curved piece of paper and blow air horizontally across it, what happens?
- Question 10
How do bird wings use Bernoulli's principle to generate lift while flying?
- Question 11
Pressure and airspeed are independent variables; changing one does not affect the other in Bernoulli's principle.
- Question 12
What is the primary condition needed for Bernoulli's principle to apply in generating lift on a wing?
- Question 13
If you spin a smooth ball rapidly while throwing it, it will curve off a straight path. What physics principle is partly responsible for this (Magnus effect)?
- Question 14
A wing must be moving forward to generate lift; a stationary wing in moving air cannot generate lift.
- Question 15
Why do sailplanes (unpowered glider aircraft) continue to fly even after they stop descending?
- Question 16
In which scenario would an airplane wing experience the greatest lift from Bernoulli's principle?
- Question 17
Bernoulli's principle explains both why an airplane stays in the air and why a baseball pitcher can throw a curveball.