Electromagnetic Spectrum

What waves are perceived by the body as heat radiation?

• Gamma Rays

• Ultraviolet Waves

• X-Rays

• Infrared

What type of Electromagnetic Radiation is detected in this fart-scan?

• Infrared

• Ultraviolet

• X-ray

• Visible Light

Which color has the highest frequency?

• green

• blue

• red

• yellow

Which color has the longest waves?

• red

• orange

• yellow

• green

What is true of visible light in comparison to other kinds of electromagnetic waves?

• Visible light travels faster in a vacuum.

• Visible light has a lower frequency than X-rays.

• Visible light has a lower frequency than microwaves.

• Visible light has only one frequency.

As the frequency of an electromagnetic wave increases, its wavelength

• becomes larger

• becomes smaller

• stays the same

• does not change

You can most effectively vibrate the electric fields of water molecules using

• radio waves

• infrared waves

• ultraviolet waves

• microwaves

Sunscreen is designed to protect your skin from exposure to too much ___________.

• ultraviolet radiation

• gamma radiation

• infrared radiation

• visible light

Electromagnetic waves that can be detected by the human eye are called _________.

• visible light

• gamma rays

• X-rays

• infrared waves

The entire range of the electromagnetic wave frequencies is known as _______.

• ultraviolet radiation

• visible light

• the electromagnetic spectrum

• magnetism