Book 22, Question 47 · Video
Why Does a Pogo Stick Make You Bounce?
A pogo stick lets you bounce up and down like a kangaroo. The secret is a strong spring. Kangaroos have springy tendons in their legs that store energy for each hop.
Read the full answer →Watch on YouTubeSee the series on Amazon
What Crafty Clover says in this video
Intro
Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why does a pogo stick make you bounce?
The Big Idea
A pogo stick lets you bounce up and down like a kangaroo. The secret is a strong spring. Let's find out how it works!
Land and Squeeze
Step one: land and squeeze. A pogo stick has a strong spring. When you land, your weight squeezes the spring, and it stores energy.
Push Back
Step two: push back. The spring then pushes back and throws you into the air again. You add more energy each time by pushing with your legs.
Bounces Shrink
Step three: the bounces shrink. Without your push, the bounces slowly shrink. The energy turns into heat and sound.
A Closer Look
Let's take a closer look! The spring squeezes. It pushes you up. Your legs add more energy. Without that, the bounces fade.
Quick Facts
Quick facts! Kangaroos have springy tendons in their legs that store energy for each hop. A pogo stick uses a strong spring to do something similar. Your legs add energy with each push. Without your push, heat and sound take the bounce away.
Think Like a Scientist
Now, think like a scientist! Hop on one foot a few times. Feel your leg muscles and tendons spring. Count how many hops you can do without stopping. Try again on your other foot. Then tell a friend what you found out.
Outro
A pogo stick bounces because a spring stores your landing energy and gives it back. Kangaroos do it with their legs, and your legs help too when you push. Isn't that bouncy? 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!