A student is trying to identify the different forms of energy described in the following chart:
 Form of Energy Description Examples
 Energy A 
 energy that travels in waves through space
 light
 radio waves
 Energy B 
 energy that depends on the height of an object
 a person at the top of a mountain
 a book lifted above ground
 Energy C 
 vibration or disturbance of matter through waves
 vibrations from vocal chords
 vibrations from stereo speakers
 Energy D 
 potential and kinetic energy are the basic types
 describes how much work an object can do
 a speeding car
 a pebble sitting at the top of a mountain
 Which entry describes electromagnetic energy?
 A. Energy A
 B. Energy B
 C. Energy C
 D. Energy D