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Properties of Sound Waves (pages 514-515)
1. Circle the letter of each sentence that is true about sound.
a. Many behaviors of sound can be explained using a few
properties.
b. Sound waves are compressions and rarefactions that travel
through a medium.
c. Sound waves usually travel more slowly in solids than in gases.
d. The speed of sound in air is about 30 meters per second.
Match each description with one or more sound properties.
Description
2. This property is measured in
units called decibels.
3. These properties are affected by
the length of tubing in a musical
instrument.
4. This property is the frequency of a
sound as your ears perceive it.
5. These properties depend on factors
such as your age and the health
of
your ears.
6. This property is a physical response
to the intensity of sound.
Property
a. loudness
b. pitch
c. intensity
d. frequency