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Book 28, Question 15 · Video

How do soccer goalies guess where a penalty kick will go?

Video · 1:46 · Crafty Clover explains, from A Million Whys Book 28

A penalty kick may reach the goal in about a third of a second. Human reaction time to see and respond is about 0.2 seconds, so waiting until the ball is kicked is often too late. Goalies study the kicker's body, run-up, and which foot they plant. Then they guess a side and dive early. Practice teaches them clues.

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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. How do soccer goalies guess where a penalty kick will go?

The Big Idea

A penalty kick zooms toward the goal! How can a goalie stop it? They guess smartly!

Super Fast

Step one: Super Fast. A penalty kick may reach the goal in about a third of a second. Human reaction time to see and respond is about 0.2 seconds, so waiting is often too late.

Studying

Step two: Studying. Goalies study the kicker's body, run-up, and which foot they plant. These clues hint where the ball will go.

Diving Early

Step three: Diving Early. Then goalies guess a side and dive early. Practice teaches them which clues to trust.

A Closer Look

Let's take a closer look! How they approach. Where the foot points. Where hips face. Where they look.

Quick Facts

Quick facts! Goalies sometimes watch a kicker's hips more than the ball. About 0.2 seconds. Read body clues. Dive a bit early.

Think Like a Scientist

Now, think like a scientist! Ask a friend to hold a ruler above your open hand. Have them drop it without warning. Catch it as fast as you can. Note where your fingers catch it. Try a few times!

Outro

A penalty kick can reach the goal in about a third of a second, and reaction time is about 0.2 seconds. So goalies read clues like the kicker's run-up, planted foot, and hips, then dive early. Science is amazing! Keep asking questions! The more you look around, the more wonders you will find, so keep your eyes open! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

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