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UNIT II- SOUNDS
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What kind of vibrations create a low-pitched sound?
Slow vibrations
What happens to the sound when you cover your ears with your hands?
The sound becomes muffled
How can you lower the pitch of a string instrument?
Loosen the string
How do we change the pitch of a recorder?
By covering or uncovering holes to change the length of the vibrating air column.
What is the difference between a high pitch and a low pitch of vibrations?
A high pitch is caused by fast vibrations, and a low pitch is caused by slow vibrations.
What does it mean to muffle a sound?
To make it quieter by blocking or absorbing the sound waves.
How does covering a sound with a blanket change what you hear?
It muffles the sound, making it quieter.
How does tightening a guitar string change its pitch?
The pitch will be higher.
What is volume in sound?
The loudness or quitness of a sound.
How is sound made?
By vibrations.
The best way for a drummer to increase the volume of his or her drumming would be to
Hit the drum with more force