Electromagnetic Spectrum

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Front

Which electromagnetic waves have the highest frequencies?

Back

Gamma rays have the highest frequencies in the electromagnetic spectrum.

Front

What are microwaves used for?

Back

Microwaves are used in ovens for cooking food and in cell phone communications.

Front

List the electromagnetic waves in order of increasing wavelength.

Back

Radio waves, microwaves, infrared rays, visible light, ultraviolet rays, X-rays, gamma rays.

Front

What are ultraviolet rays?

Back

Ultraviolet rays are electromagnetic waves that can help the body produce vitamin D.

Front

What is an example of a wave with a long wavelength and low frequency?

Back

Radio waves are an example of waves with long wavelengths and low frequencies.

Front

What is the wavelength of gamma rays?

Back

Gamma rays have very short wavelengths.

Front

What type of electromagnetic waves can be felt as heat?

Back

Infrared rays can be felt as heat.

Front

What is visible light?

Back

Visible light is the part of the electromagnetic spectrum that can be seen by the human eye.

Front

What are X-rays used for?

Back

X-rays are used in medicine to view the inside of the body.