EM Spectrum

Front

What are Gamma Rays?

Back

High-energy electromagnetic waves emitted by radioactive materials.

Front

What is the function of Microwaves?

Back

Microwaves make water molecules vibrate, which warms them up.

Front

What are Ultraviolet Rays?

Back

Electromagnetic waves that help the body produce vitamin D; invisible to humans but visible to some insects.

Front

How does increasing the amplitude of a wave affect its energy?

Back

Increasing the amplitude of a wave increases the wave's energy.

Front

What are Radio Waves used for?

Back

Radio waves are used to send signals, including WiFi and text messages.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, from radio waves to gamma rays.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (or about 186,282 miles per second).

Front

What is the relationship between wavelength and frequency?

Back

Wavelength and frequency are inversely related; as one increases, the other decreases.

Front

What are X-Rays?

Back

High-energy electromagnetic waves used primarily for medical imaging.

Front

What is visible light?

Back

The portion of the electromagnetic spectrum that is visible to the human eye.