ThatQuiz Test Library Take this test now
Electromagnetic Waves 8th Grade
Contributed by: Peterson
  • 1. Global Positioning System signals can tell you
A) your exact location on Earth
B) what television station you are tuned to
C) how many satellites are in orbit
D) who is sending a message to your cellphone
  • 2. Which waves have some electrical properties and some magnetic properties?
A) electromagnetic waves
B) mechanical waves
C) transverse waves
D) longitudinal waves
  • 3. Electromagnetic waves can transfer energy without a(n)
A) medium
B) electric field
C) change in either a magnetic or an electric field
D) magnetic field
  • 4. The range of electromagnetic waves placed in a certain order is called the
A) electromagnetic frequency
B) electromagnetic field
C) electromagnetic spectrum
D) electromagnetic wavelength
  • 5. Which model of light helps explain the photoelectric effect?
A) the electromagnetic model
B) the particle model
C) the polarizing model
D) the wave model
  • 6. FM signals travel as changes in
A) the speed of the wave
B) the frequency of the wave
C) the loudness of the wave
D) the amplitude of the wave
  • 7. On AM broadcasts, what remains constant?
A) the frequency
B) the amplitude
C) the music
D) the speech
  • 8. Which electromagnetic waves have the longest wavelengths and lowest frequencies?
A) gamma rays
B) radio waves
C) infrared waves
D) ultraviolet waves
  • 9. Light that has passed through a polarizing filter is called
A) transverse light
B) white light
C) polarized light
D) photoelectric light
  • 10. Visible light can be separated into various colors to form a(n)
A) X-ray picture
B) MRI
C) spectrum
D) thermogram
  • 11. What kind of waves do cellular telephones use to transmit and receive signals?
A) microwaves
B) infrared rays
C) gamma rays
D) ultraviolet rays
  • 12. The images made by an infrared camera are called
A) magnetic resonance images
B) X-rays
C) thermograms
D) ultraviolet images
  • 13. In the phenomenon known as the _________, electric current will flow when light shines on certain substances.
A) electricity
B) electromagnetic spectrum
C) electromagnetism
D) photoelectric effect
  • 14. Which letter shows the type of wave that can be seen by the human eye?
A) B
B) C
C) A
D) D
  • 15. What is the name of the type of wave labeled C?
A) ultraviolet rays
B) radar
C) visible light
D) infrared rays
  • 16. Which letter indicates X-rays?
A) D
B) A
C) C
D) B
  • 17. What type of wave that has the highest frequency?
A) microwave
B) infrared rays
C) x-rays
D) gamma rays
  • 18. What type of wave that has the the greatest energy?
A) microwave
B) x-rays
C) infrared rays
D) gamma rays
  • 19. What type of wave is labeled A?
A) radio
B) visible light
C) ultraviolet
D) infrared
  • 20. What is the object labeled as A?
A) radio waves
B) ground transmitter
C) communications satellite
D) ground receiver
  • 21. What is the object labeled B?
A) communications satellite
B) ground receiver
C) ground transmitter
D) radio waves
  • 22. What is the object labeled C?
A) ground receiver
B) communications satellite
C) ground transmitter
D) radio waves
Created with That Quiz — where a math practice test is always one click away.