Electromagnetic Spectrum

What type of radio waves bounce off of the ionosphere?

• AM waves

• FM waves

• Television Waves

• Schwartz Waves

Which radio waves are sound signals are encoded by changing the amplitude, or maximum height, of radio waves

• AM Waves

• FM Waves

• Television Waves

Which radio waves are sound signals are encoded by changing the frequency of radio waves.

• AM Waves

• FM Waves

• Television Waves

Which radio waves can reach a further distance?

• AM Waves

• FM Waves

• Radio Waves

What level of the electromagnetic spectrum are electromagnetic waves with the longest wavelengths, lowest frequencies, and least amount of energy?

• Gamma Rays

• Infrared Radiate

• Radio Waves

• UV Waves

What type of energy transfer airplane signals?

• Visible Light

• UV Radiation

• Infrared waves

• Mircowaves

How does the speed of EM waves compare?

• All EM waves have the same speed!

• Longer EM waves have more speed.

• Shorter EM waves have more speed.

• The speed varies depending on the length of waves.

EM waves need matter to be transferred through a material. They are mechanical waves

• True!

• FALSE!

What type of waves are used in speedometers and police radar?

• Radio Waves

• Infrared Waves

• Microwaves

• Television Waves

What type of waves used in doppler radar to detect storms?

• Radio Waves

• Microwaves

• UV Waves

• Visible Light