1. Which statement describes a surface wave?
A surface wave is a type of electromagnetic wave.
A surface wave is a wave that travels through space.
A surface wave is a wave that moves along the interface of two different materials, like air and water.


2. Particle motion in surface waves is __________ motion.
only longitudinal

only transverse

a combination of longitudinal and transverse

neither longitudinal nor transverse



3. What does frequency describe?
depth of a wave
distance from crest to crest or from trough to trough on a wave
how often the particles of a medium vibrate
height of a wave


4. Particles in a __________ wave move in an elliptical or circular motion.
surface
sound
longitudinal
transverse


5. In which type of wave is energy transmitted in a definite direction and with a definite speed?
standing wave

traveling wave

breaking wave

low-breaking wave



6. A __________ is described as a wave that is not confined to the space along the medium.
tsunami

breaking wave

standing wave

traveling wave



7. Which type of wave appears to vibrate in place?
tsunami

breaking wave

standing wave

traveling wave



8. If two waves with identical crests and troughs meet, what is happening?
The wave is reflecting.
The wave is breaking.
Constructive interference is occurring.
Destructive interference is occurring.




11. Which of the following is the best definition of longitudinal wave?
In a longitudinal wave, particle displacement is opposite to the direction of wave motion.
In a longitudinal wave, particle displacement is perpendicular to the direction of wave motion.
In a longitudinal wave, particle displacement is parallel to the direction of wave motion.
In a longitudinal wave, particle displacement is above the direction of wave motion.


12. In the Waves lab, you changed __________ to see how it would affect wave speed.
how hard you plucked the string
length of string
tension of string
type of string


13. In the Waves lab, which type of wave did you produce?
surface wave

longitudinal wave

transverse wave



14. What is a compression?
region of high pressure in a medium caused by a passing wave
region of high altitude in a medium caused by a passing wave
region of low pressure in a medium caused by a passing wave
region of zero pressure in a medium caused by a passing wave


15. A mechanical wave is a wave that __________ its energy.
does require a medium to transfer
does not transfer
does not require a medium to transfer


7. Which of the following statements best describes wavelength?
Wavelength is the same as pitch.
Wavelength is the length of one complete wave cycle.
Wavelength is the length of two complete wave cycles.
Wavelength is the speed at which a wave travels.


18. How are musical instruments grouped?
by what they are made of
by the wavelengths they produce
by their frequency
by the pitch they produce


19. If a car passes a pedestrian, a change in pitch is __________.
perceived by the pedestrian
perceived by the driver
not perceived by either the pedestrian or the driver


20. In the Doppler Effect lab, which statement best describes what you demonstrated about speed and pitch?
Direction affects pitch but not speed.
Speed and direction affect pitch.
Speed affects pitch but not direction.
Speed and direction do not affect pitch.


21. When waves are closely spaced together, how would you describe the pitch that you hear?
high

low

the same as when waves are spaced far apart