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Book 28, Question 74 · Video

How do hockey players stop so fast on ice?

Video · 1:43 · Crafty Clover explains, from A Million Whys Book 28

A skate blade has two sharp edges. To stop, a player turns the skates sideways and digs the edges into the ice at an angle. The blades shave off a spray of ice, and the scraping slows the player down fast. Players lean into the stop with their knees bent to stay balanced. Learning to stop is one of the first lessons at any skating class.

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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 hockey players stop so fast on ice?

The Big Idea

Hockey players skid to a stop in a spray of ice! How can they stop so fast? Sharp edges!

Two Edges

Step one: Two Edges. A skate blade has two sharp edges. To stop, a player turns the skates sideways and digs the edges into the ice at an angle.

Scraping

Step two: Scraping. The blades shave off a spray of ice. The scraping slows the player down fast.

Balance

Step three: Balance. Players lean into the stop with their knees bent to stay balanced. Learning to stop is one of the first lessons at any skating class.

A Closer Look

Let's take a closer look! Two edges. Dig in. Shaved ice. Stay balanced.

Quick Facts

Quick facts! A hockey skate blade is only a few millimeters thick. Turn skates sideways. Edges shave the ice. Stopping is lesson one.

Think Like a Scientist

Now, think like a scientist! Slide a flat spoon across soft butter or play dough. Then slide the tilted edge of the spoon. Compare how each moves. Which one digs in? Which slows down more?

Outro

Hockey players stop fast by turning their skates sideways and digging the sharp blade edges into the ice. The blades shave off a spray of ice, and the scraping slows them quickly. Bent knees keep them balanced. Science is amazing! The world is full of surprises. Keep asking big questions, and keep exploring with me! 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