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- 1. Multiple Choice
Sound waves travel as _________ waves.
transverse
electromagnetic
longitudinal
surface
- 2. Multiple Choice
Sound is made when a source of energy forces the matter to _________.
shake
vibrate
move
stay still
- 3. Multiple Choice
A back-and-forth motion causing particles to move close together generates a _______.
rarefaction
surface wave
transverse wave
compression
- 4. Multiple Choice
A rarefaction is generated when particles move ______.
together
closer
under
apart
- 5. Multiple Choice
Sound waves cannot travel through which of these ____.
paper
milk
outer space
hydrogen
- 6. Multiple Choice
In which of these types of media will sound travel faster?
solid
liquid
gas
vaccum
- 7. Multiple Choice
The elasticity of a substance describes how fast or slow its particle bounce back-and-forth as ______ move through the object.
vibrations
chemicals
electrons
surface waves
- 8. Multiple Choice
Which physical property of a medium is defined by how close the particles of the substance are to each other?
elasticity
temperature
density
amplitude
- 9. Multiple Choice
Which temperature causes sound to travel more slowly?
hot
cold
- 10. Multiple Choice
Which of these is not a property of a sound wave?
amplitude
elasticity
loudness
pitch
- 11. Multiple Choice
The amount of energy a sound wave carries per sound through a unit of area is its ____.
pitch
amplitude/intensity
loudness
frequency
- 12. Multiple Choice
The ____ of a wave increases with increased energy.
wavelength
amplitude
- 13. Multiple Choice
Loudness of waves is measure in ______
Hertz (Hz)
Decibels (Db)
Watts
Meters/second (m/s)
- 14. Multiple Choice
Frequency of waves is measure in _____.
Hertz
Decibels
Watts
Meters/second
- 15. Multiple Choice
High frequency sounds have ______ pitch.
high
low
- 16. Multiple Choice
Which is an example of the doppler effect?
The apparent change in pitch of a police siren as it passes you.
The delay in sound between the lightning and thunder.
The change in pressure in your ears when driving up a mountain.
When you can no longer hear a sound as the pitch increases.
- 17. Match
Match the following when particles in a wave are spread apart
sound wave
longitudinal wave that can only travel through matter
compression
when particles in a wave are packed closely together
rarefaction
the perception of how high or low a sound seems
pitch
when a sound wave is reflected
echo
- 18. Multiple Choice
Long sound waves are...high pitchedlow pitchedmedium pitched - 19. Multiple ChoiceShort sound waves are...high pitchedlow pitchedmedium pitched
- 20. Multiple ChoiceWhen the car moves AWAY from you, its horn seems...Low pitchedHigh pitchedNormal
- 21. Multiple ChoiceWhen an ambulance move TOWARD you it sounds ________ pitched.highlowmedium
- 22. Multiple ChoiceThe Doppler effect is seen when a wave-making source moves toward an observer.TrueFalse
- Answer choicesTagsAnswer choicesTags