How does a microwave oven heat food without fire?

A microwave oven heats food using invisible waves that make the molecules inside it move really fast, like a dance party inside your snack.

Imagine you're at a party and everyone is dancing. The more they move, the hotter it feels. That's what happens in your food when you use a microwave.

Inside the microwave, there's something called microwaves, not like the ones on your phone, but special waves that can go through glass, plastic, and even paper. These waves hit the water molecules inside your food, making them dance very fast.

When those water molecules move quickly, they bump into other molecules around them, kind of like when you're dancing and you push people. This bumping makes the whole food warm, no fire needed!

So instead of cooking with flames or heat from a stove, your microwave uses invisible waves to make your food hot and ready to eat in just minutes!