What Causes Thunder And Lightning? | Thunderstorm | Video For Kids May 2026

Because lightning is so hot, it heats up the air around it instantly. When air gets hot that fast, it expands (pushes outward) very quickly, like a balloon popping. This creates a huge sound wave that travels through the sky. That sound is what we call . Fun Fact: Why do we see the light first?

So, the next time you see a storm, remember: it’s just the clouds' way of balancing out their energy with a giant, noisy "high-five." Because lightning is so hot, it heats up

If you count the seconds between the flash and the bang, you can tell how far away the storm is! Every five seconds you count equals about one mile of distance. That sound is what we call

You might notice that you always see the lightning before you hear the thunder. That’s because . It’s like a race where the light is a superhero flying at top speed, and the sound is a person jogging behind. Every five seconds you count equals about one

Nature likes things to be balanced. When the bottom of the cloud gets too full of negative charges, it wants to get rid of them. It looks for something with a positive charge to connect with, like the ground, a tree, or even another cloud.

When that connection happens— ZAP! —a giant spark of electricity shoots through the air. That is . Lightning is incredibly hot—even hotter than the surface of the sun! The Boom: Thunder