II. Fill in the blanks.<br />1. Sound travels fastest in.......<br />2. The loudness of a sound is determined by the .......<br />3. The frequency of a sound determines its..........<br />.<br />4. ........sounds have frequencies too high for the human ear to hear<br />5. Sound is caused by.......
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The pitch of sound and how it relates to the frequency of ... The whistles produce sounds with frequencies too high
Pitch is a perceptual property of sounds that allows their ordering on a frequency-related scale, or more commonly, pitch is the quality
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