How Do Microwaves Cook?

Microwaves cook food by making the tiny parts inside it vibrate really fast, like when you shake a toy to make it go.

Inside the microwave, there's something called microwave energy, which is like invisible waves. When you put food in and press the button, these waves start moving around inside the microwave.

How the Waves Work

These invisible waves travel through the food and hit the tiny parts inside, mostly water molecules. Water molecules are like little dancers; when they see the waves, they start dancing really fast. This dancing is called vibration, and it makes them get hot.

As these little dancers (water molecules) get hotter, they pass that heat to their neighbors, other molecules in the food. Soon enough, all the parts of the food are dancing too, and you can eat your warm snack!

Why It’s Quick

Microwaves work on the inside first, so even if the outside looks a little cold, the inside is already hot. That's why your soup warms up so fast, it's like giving it a hug from the inside!

Take the quiz →

Examples

  1. A microwave turns electricity into invisible waves that make the water in your food vibrate and get hot.
  2. Your soup heats up quickly because the microwaves are making the molecules inside it move faster.
  3. Even frozen pizza can be cooked in minutes using a microwave, thanks to its special way of heating.

Ask a question

See also

Discussion

Recent activity

Categories: Science · microwave· science· cooking