Why Do Microwaved Foods Have Hot and Cold Spots?

What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why do microwaved foods have hot and cold spots?

The Big Idea

Microwaved food has hot and cold spots because microwaves make strong and weak spots inside the oven! The water in food heats up where the waves are strong. That is why turntables and stirring help.

Waves Bounce

Step one: microwaves bounce around. A microwave oven makes invisible waves of energy that bounce off the metal walls. The waves overlap, and some spots get strong waves while others get weak ones.

Water Heats

Step two: water wiggles and heats. The waves make water molecules in food spin and wiggle fast. Wiggling creates heat, so the parts of food in strong spots get hotter.

Stir And Rest

Step three: help the heat spread. A turntable moves food through strong and weak spots. Stirring and letting food stand lets the heat spread out evenly.

A Closer Look

Let's take a closer look! Invisible microwaves fill the oven. Strong waves make some places very hot. Weak waves leave other places cooler. Stirring and standing mix the heat together.

Quick Facts

Quick facts! Microwaves mostly heat the water in food. Never put metal in a microwave, because it can spark. Food keeps heating for a short time after the oven stops, which is called standing time. Steam can burn, so a grown-up opens lids away from faces.

Think Like a Scientist

Now, think like a scientist! With a grown-up, heat leftovers in a microwave-safe bowl. Stir halfway, then let it stand. Taste only when a grown-up says it has cooled. Steam can burn, so keep your face back.

Outro

Microwaves heat unevenly, so stir and wait. Science is amazing! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!