Did You Know?
Infrared can help see in the dark!
How We Feel Heat
Infrared helps us feel warmth from the sun.
Used in Many Ways
We use infrared in TVs and cameras.
What infrared Does
It helps us see heat from things.
It is used in night vision tools.
It helps keep food warm in ovens.
It helps us learn about space.
It is used in remote controls.
It helps find heat from animals.
More About infrared
Infrared was found a long time ago. A man named William Herschel found it in 1800. He used a prism to see it. It was a big deal!
We use infrared in our lives every day. It helps us cook food and watch TV. It keeps us warm and helps us see in the dark.
In the future, we may use infrared in new ways. It can help us learn more about the Earth and space. It is a fun and cool part of science!
How Topics Connect
graph TD
A["Infrared (EMR)"] --> B["Wavelengths: 780 nm to 1 mm"]
B --> C["Invisible to Human Eye"]
A --> D["Divided into Thermal IR and Near IR"]
D --> E["Thermal IR: Longer Wavelengths"]
D --> F["Near IR: Shorter Wavelengths"]
A --> G["Carries Energy and Momentum"]
G --> H["Exerts Radiation Pressure"]
What Do These Words Mean?
electromagnetic radiation:Energy that travels in waves and includes light, radio waves, and more.
wavelength:The distance between two peaks of a wave.
infrared:A type of light that we can't see but is felt as heat.
terahertz radiation:A type of electromagnetic wave with a specific frequency range.
black-body radiation:The type of light emitted by objects that are warm.
