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Sound

Sound. Morgan Mrs. Branin 5 th Grade. What Makes Sound. Vibration- A back-and-forth motion. Sound Waves-are vibrations that spread away from a vibrating object. How Sound is Produced By Strings. The violins body is hollow and resonates sound. The strings make a Pitch. What Makes Sound.

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Sound

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  1. Sound Morgan Mrs. Branin 5th Grade

  2. What Makes Sound • Vibration- A back-and-forth motion. • Sound Waves-are vibrations that spread away from a vibrating object.

  3. How Sound is Produced By Strings • The violins body is hollow and resonates sound. • The strings make a Pitch

  4. 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.

  5. What Can Sound Go Through • Solids • Liquids • Gases

  6. Changing Sound • Pitch • Frequency • Hertz • Volume- A measure of space a object takes up • Decibels • Loudness • Softness

  7. Common Sounds • Telephone • Car • Music • Fire Alarm • Alarm Clock • Microwave • Sirens

  8. Sound Bounces • Reflection- The bouncing of the sound wave off a surface • -Echo • Absorption- The disappearance of a sound wave into a surface

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