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Book 23, Question 7 · Video

What Is the Angle of Attack?

Video · 1:47 · Crafty Clover explains, from A Million Whys Book 23

A wing can be tilted up a little compared with the air. That tilt is called the angle of attack. It changes how much lift you get!

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What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. What is the angle of attack?

The Big Idea

A wing can be tilted up a little compared with the air. That tilt is called the angle of attack. It changes how much lift you get!

A Slight Tilt

Step one: a slight tilt. The angle of attack is how much a wing is tilted up compared with the air flowing toward it. A slight tilt helps the wing push air downward and make more lift.

Climb and Slow

Step two: climb and slow. Pilots raise the nose to climb or to fly slowly. When they do, the angle gets bigger.

Too Steep

Step three: too steep. If the tilt gets too steep, the air can no longer flow smoothly over the top. Then the lift drops.

A Closer Look

Let's take a closer look! A small tilt gives some lift. A bigger tilt gives more. A tilt that is too big loses it. Smooth air makes lift.

Quick Facts

Quick facts! A soaring eagle changes its wing angle all the time. A slight tilt makes more lift. Too steep a tilt makes lift drop. Pilots raise the nose to climb.

Think Like a Scientist

Now, think like a scientist! Fly a stiff paper plane with its nose tilted slightly up. Then fly it with its nose tilted slightly down. Compare how far each flight goes. Which way gives the longest flight? Write down what you notice, and share it with a grown-up.

Outro

The angle of attack is the tilt of a wing, and a slight tilt makes more lift, but too much loses it. Science is amazing! Stay curious! Next time you see this in real life, remember what you learned today and smile! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

Why I wrote this