Read a
Diagram
Name
Date
What are electromagnetic waves?
Not all electromagnetic waves can be seen by the
naked eye. Both types, visible and invisible, are shown
in this diagram of the electromagnetic spectrum.
Compare the wavelengths of each.
Electromagnetic Spectrum
Answer these questions about the diagram.
AM
larger
wavelength
1. Which type of radiation has the
longest wavelength? Which has
the shortest?
radio
waves
FM
TV
radar
infrared
2. What type of waves make up
television signals?
3. Which type of visible light has
the highest amount of energy?
visible
light
ultraviolet
1. Radio waves have the longest wavelength, while
gamma rays have the shortest.
2. Radio waves make up the waves used to
produce television.
3. violet
© McGraw-Hill Education
X rays
gamma
rays
higher
frequency
5-52
Unit 5 • Properties of Energy
Unit Resources
Use with Lesson 4
Electromagnetic Waves