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22 questions
Sound waves travel as _________ waves.
transverse
electromagnetic
longitudinal
surface
Sound is made when a source of energy forces the matter to _________.
shake
vibrate
move
stay still
A back-and-forth motion causing particles to move close together generates a _______.
rarefaction
surface wave
transverse wave
compression
A rarefaction is generated when particles move ______.
together
closer
under
apart
Sound waves cannot travel through which of these ____.
paper
milk
outer space
hydrogen
In which of these types of media will sound travel faster?
solid
liquid
gas
vaccum
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
Which physical property of a medium is defined by how close the particles of the substance are to each other?
elasticity
temperature
density
amplitude
Which temperature causes sound to travel more slowly?
hot
cold
Which of these is not a property of a sound wave?
amplitude
elasticity
loudness
pitch
The amount of energy a sound wave carries per sound through a unit of area is its ____.
pitch
amplitude/intensity
loudness
frequency
The ____ of a wave increases with increased energy.
wavelength
amplitude
Loudness of waves is measure in ______
Hertz (Hz)
Decibels (Db)
Watts
Meters/second (m/s)
Frequency of waves is measure in _____.
Hertz
Decibels
Watts
Meters/second
High frequency sounds have ______ pitch.
high
low
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.
when a sound wave is reflected | sound wave | ||
the perception of how high or low a sound seems | compression | ||
when particles in a wave are spread apart | rarefaction | ||
when particles in a wave are packed closely together | pitch | ||
longitudinal wave that can only travel through matter | echo |
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