Name: ____________________________________________ Date: _____________ Period: __________
Electromagnetic Spectrum Activator
Directions: Circle True or False. If your answer is FALSE you must correct the statement by changing the italicized word.
1. True or False: Electromagnetic waves are longitudinal waves produced by constantly changing electric fields and
2.
3.
4.
5.
magnetic fields. ________________________________
True or False: Electromagnetic waves can travel through a vacuum, or empty space, as well as through matter.
_______________________________
True or False: Electromagnetic waves vary in wavelengths and frequencies. ______________________
True or False: Radio waves have long wavelengths and low frequencies, meaning they carry more energy than
the other waves of the electromagnetic spectrum. ________________________________
True or False: Visible light are the only waves of the electromagnetic spectrum that we can see.
__________________________________________
Directions: Choose the one best answer that completes the sentence or answers the question.
6. The electromagnetic spectrum includes all of the different wavelengths of light from the longest to the shortest.
As the wavelengths get shorter, the energy of the wave
A. drops to zero.
B. increases.
C. remains the same.
D. decreases, but not to zero.
7. Which of the following is NOT an example of an electromagnetic wave?
A.
B.
C.
D.
Sound waves
Radio waves
Ultraviolet waves
Gamma rays
Directions: For questions 9-10, use the electromagnetic spectrum below.
9. Infrared rays have a shorter wavelength than
A. radio waves.
B. gamma rays.
C. ultraviolet rays.
10. The visible light spectrum ranges between
a. ultraviolet rays and gamma rays.
b. infrared rays and ultraviolet rays.
c. radar waves and X-rays.
BONUS: Name the colors that make up the visible spectrum. ________________________________________