Science Chapter 3 Review

On AM broadcasts, what remains constant?

• the amplitude

• the frequency

• the music

• the speech

The electromagnetic waves with the highest frequencies are called

• radio waves

• gamma rays

• X-rays

• visible light

Which waves have some electrical properties and some magnetic properties?

• longitudinal waves

• transverse waves

• mechanical waves

• electromagnetic waves

In a vacuum, all electromagnetic waves have the same

• wavelength

• frequency

• speed

• amplitude

Which electromagnetic waves have the longest wavelengths and lowest frequencies?

• infrared waves

• radio waves

• ultraviolet rays

• gamma rays

Global Positioning System signals can tell you

• what television station you are tuned to

• your exact location on Earth

• how many satellites are in orbit

• who is sending a message to your pager

Electromagnetic waves can transfer energy without a(n)

• medium

• electric field

• magnetic field

• change in either a magnetic or an electric field

FM signals travel as changes in

• the speed of the wave

• the frequency of the wave

• the amplitude of the wave

• the loudness of the wave

Which model of light helps explain the photoelectric effect?

• the wave model

• the polarizing model

• the particle model

• the electromagnetic model

The range of electromagnetic waves placed in a certain order is called the

• electromagnetic spectrum

• electromagnetic wavelength

• electromagnetic frequency

• electromagnetic field