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UNIT II- SOUNDS

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