Did You Know?
You can make popcorn in a microwave!
How It Works
The microwave makes waves that heat food.
What You Can Cook
You can cook rice, soup, or eggs.
What microwave Does
It cooks food fast.
It warms up cold meals.
It can pop popcorn.
It melts butter or cheese.
It cooks meals in bowls.
It is easy to use.
More About microwave
The microwave was made in the 1940s. A man named Percy Spencer found it by chance. He was working with radar and saw food heat up. This made him think of a new way to cook.
Today, many homes have a microwave. It helps us cook meals fast. We can eat warm food in just a few minutes.
In the future, microwaves may get even better. They might cook food in new ways. We might see more fun recipes to try!
How Topics Connect
graph TD
A["Microwave"] --> B["Electromagnetic Radiation"]
B --> C["Wavelength Range"]
C --> D["1 meter to 1 millimeter"]
C --> E["300 MHz to 300 GHz"]
C --> F["1 to 100 GHz"]
C --> G["1 to 3000 GHz"]
B --> H["Super High Frequency (SHF)"]
What Do These Words Mean?
electromagnetic radiation:Energy that travels in waves and includes things like light and radio waves.
wavelength:The distance between two peaks of a wave.
frequencies:How often something happens in a certain time, like waves passing a point.
super high frequency (SHF):A range of very high radio wave frequencies.
terahertz radiation:A type of wave that is between microwaves and infrared waves.
