Electromagnetic Spectrum

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

• microwaves

• visible light

• gamma rays

• radio waves

Tags

NGSS.HS-PS4-1

Which electromagnetic waves are used in wi-fi, radar, and cell phone communications?

• infrared rays

• ultraviolet rays

• microwaves

• X-rays

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Which type of waves are used in broadcasting TV signals?

• radio waves

• infrared rays

• microwaves

• ultraviolet

Tags

NGSS.HS-PS4-5

Electromagnetic waves emitted by the sun and help your body produce vitamin D are called (a)  

• ultraviolet rays
• x-rays
• gamma rays
• microwaves

• visible light
• radio waves

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

As the wavelength of a wave decreases, what happens to the frequency?

• It also decreases

• It stays the same
• It increases

Tags

NGSS.HS-PS4-1

How much of the electromagnetic spectrum can your eyes detect?

• only a small portion

• a very large portion

• about half

The electromagnetic spectrum arranges the waves based on their:

• amplitude

• speed

• energy

Which of the following has frequencies higher than ultraviolet rays? Choose all that apply.

• visible light
• infrared rays
• x-rays
• microwaves

• gamma rays

Tags

NGSS.HS-PS4-4

Which electromagnetic waves help doctors detect broken bones inside your body?

• gamma rays
• x-rays
• ultraviolet rays

Tags

NGSS.HS-PS4-4

Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?

• ultraviolet rays
• microwaves
• infrared rays
• visible light

Tags

NGSS.HS-PS4-5