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Book 7, Question 65 · Video

Why Do Airplanes Care About Wind?

Video · 2:01 · Crafty Clover explains, from A Million Whys Book 7

Airplanes fly through moving air, so wind matters a lot to them. A tailwind pushes a plane from behind and speeds the trip. A headwind pushes against it and slows it down.

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What Crafty Clover says in this video

Intro

Hello, sky travelers! I'm Crafty Clover! Let's discover something amazing. Why do airplanes care about wind?

The Big Idea

Airplanes fly through moving air, so wind matters a lot to them. A tailwind pushes a plane from behind and speeds the trip. A headwind pushes against it and slows it down. Pilots plan their routes using wind forecasts.

Tailwind Pushes

Step one: a tailwind pushes. A tailwind blows in the same direction the plane is flying, like a hand pushing from behind. The plane's speed over the ground goes up, and the trip gets shorter.

Headwind Slows

Step two: a headwind slows. A headwind blows against the plane, so its speed over the ground goes down. That means a longer trip and more fuel.

Pilots Plan Ahead

Step three: pilots plan ahead. Pilots and airline planners study wind forecasts, and choose routes that use tailwinds and avoid storms and rough air. Passengers keep their seatbelts on in case of bumps called turbulence.

A Closer Look

Let's take a closer look at wind and flight! A tailwind speeds the plane up. A headwind slows it down. And turbulence is the bumpy air that makes the plane shake.

Quick Facts

Quick facts! Flights heading east are often faster, because the jet stream usually blows from west to east. Flights heading west often take longer, because of headwinds. Keep your seatbelt on when you fly. It keeps you safe if the air gets bumpy. Pilots steer around big thunderstorms to keep everyone safe.

Think Like a Scientist

Now, think like a scientist! Ask a grown-up: did a flight ever arrive early because of a tailwind? Look at how long a trip took in each direction. With a grown-up, check a flight tracker or a wind map. Ask: which way is the wind blowing along the route?

Outro

Planes ride the wind and dodge the storms. Science is amazing! 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