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Transcript of Sound
![Page 1: Sound](https://reader035.fdocuments.us/reader035/viewer/2022072112/56812cab550346895d91588f/html5/thumbnails/1.jpg)
Sound
MorganMrs. Branin
5th Grade
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What Makes Sound
Vibration- A back-and-forth motion.
Sound Waves-are vibrations that spread away from a vibrating object.
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How Sound is Produced By Strings The violins body is
hollow and resonates sound.
The strings make a Pitch
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How Sound Is Produced
Vibrating Air
Woodwinds Vibrating reed
Percussion Vibrating surface
Strings Vibrating
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What Makes Sound
•Compression- The part of a sound wave when the molecules are crowded together
•Rarefaction- The part of the sound wave when the molecules are spread apart.
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What Can Sound Go Through
• Solids
• Liquids
•Gases
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Changing SoundPitch
Frequency Hertz
Volume- A measure of space a object takes up
Decibels Loudness Softness
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Common Sounds
Telephone Car Music Fire Alarm Alarm Clock Microwave Sirens
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Sound Bounces
Reflection- The bouncing of the sound wave off a surface
-Echo Absorption- The
disappearance of a sound wave into a surface