Characteristics of Waves
Wave Properties
Electromagnetic Spectrum
100
What type of wave has particles that move perpendicular to the direction the wave travels?
A. Longitudinal Wave
B. Transverse Wave
C. Sound Wave
D. Compression Wave
B. Transverse Wave
100
What is the distance between two consecutive crests called?
A. Frequency
B. Wavelength
C. Amplitude
D. Period
B. Wavelength
100
Which type of electromagnetic wave has the longest wavelength?
A. Gamma Rays
B. X-Rays
C. Radio Waves
D. Visible Light
C. Radio Waves
200
True or False
In a longitudinal wave, particles move_______ to the direction the wave travels.
A. perpendicular
B. diagonal
C. parallel
D. counterclockwise
C. Parallel
200
Amplitude measures the height of a wave from its ________ position.
resting
200
All electromagnetic waves can travel through a ____________.
vacuum
300
Identify parts A and B in the image below. 
"A" is crest
"B" is trough
300
What unit is used to measure frequency?
A. Meters
B. Seconds
C. Hertz
D. Newtons
C. Hertz
300
Which electromagnetic wave is commonly used to treat water for bacteria, kill microorganisms on food, and sterilize medical equipment?
A. Microwaves
B. Infrarred
C. Gamma Rays
D. Ultraviolet Rays
D. Ultraviolet Waves
400
Which feature of a longitudinal wave is an area where particles are spread apart? 
A. Crest
B. Trough
C. Compression
D. Rarefaction
D. Rarefaction
400
If a wave has a frequency of 5 Hz, how many waves pass a point in one second?
**Hint: 1 Hz = 1 wave/second**
5 Waves per second
400
Which type of electromagnetic waves are most often used to send signals for communication through satellite and television broadcasting? Select TWO correct answers.
A. Ultraviolet
B. Radio
C. Gamma Rays
D. Microwaves
B and D
500
Explain one major difference between transverse and longitudinal waves.
Transverse waves move particles perpendicular to wave travel, while longitudinal waves move particles parallel to wave travel.
500
If wave speed stays the same and frequency increases, what happens to wavelength? 
wavelength decreases when frequency increases and speed stays constant
500
How are frequency, wavelength, and energy related in the electromagnetic spectrum?
** Hint: As frequency increases, wavelength ____________ and energy _____________.
As frequency increases, wavelength decreases and energy increases.