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SOUND Energy

SOUND Energy. What is SOUND Energy?. Sound is a wave of vibrations Sound travels through a material by bumping into other particles and making them vibrate. If there are no particles to vibrate, there is no sound!. Waves.

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SOUND Energy

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  1. SOUND Energy

  2. What is SOUND Energy? • Sound is a wave of vibrations • Sound travels through a material by bumping into other particles and making them vibrate If there are no particles to vibrate, there is no sound!

  3. Waves • The number of cycles that pass by a point each second is the waves frequency • FREQUENCY – how fast particles are vibrating • The greater the frequency the higher the pitch • The lower the frequency the lower the pitch

  4. LOUDorSOFT • The more energy a sound wave has the louder it will be • A louder sound vibrates more than a softer sound • How loud or soft a sound is can be measured in units called DECIBELS

  5. How does SOUND travel? • Sound can travel through solids liquids and gases • Sound can do three different things • Bounce back off an object (ECHO) • Be absorbed into a material or object • Pass through a material  ECHO

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