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  1. www.gear4music.com/Flight/Sound-Wave

    AdImpressive Sound Quality | Flight Sound Wave Pickup

    Flight Sound Wave Pickup System at the Gear4Music Online Superstore. Great Value Bundle Deals Available - Packed With All The Essentials You Need

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    • Decibels (dB)

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      • When you show sound waves on a graph, the amplitude is the height of the waves from their middle position and reflects how loud the waves are. Loudness of sound is measured in decibels (dB). This is actually a measure of intensity, which relates to how much energy the pressure wave has.
      www.sciencelearn.org.nz/resources/573-measuring-sound

      Measuring sound - Science Learning Hub

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  4. www.bbc.co.uk › bitesize › articlesSound Waves - BBC Bitesize

    large amplitude sound waves are loud; reflected sound is called an echo; the range of human hearing is 20 Hz to 20 000 Hz; sound waves with a frequency above 20 000 Hz are called...

  5. www.bbc.co.uk › bitesize › articlesIntroduction to sound waves guide for KS3 physics students ...

    A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency.

  6. www.bbc.co.uk › bitesize › articlesSound - IGCSE Physics - BBC Bitesize

    Sound waves are longitudinal waves that make particles vibrate in the same direction as the wave. They can travel through solids, liquids, and gases.

  7. wonderopolis.org › wonder › what-makes-sounds-louderWhat Makes Sounds Louder? - Wonderopolis

    Changing the amplitude of a sound wave changes its loudness or intensity. If you are playing a guitar, the vibrations of the strings force nearby air molecules to compress and expand. The volume of your guitar playing depends on how hard or softly you pluck the strings.

  8. www3.nasa.gov › specials › QuesstThe Science of Sound - NASA

    Sound waves and units of measurement. Sound waves are longitudinal waves that travel through a medium like air or water. When we think about sound, we often think about how loud it is (amplitude, or intensity) and its pitch (frequency).

  9. www.sciencelearn.org.nz › 573-measuring-soundMeasuring sound - Science Learning Hub

    When you show sound waves on a graph, the amplitude is the height of the waves from their middle position and reflects how loud the waves are. Loudness of sound is measured in decibels (dB). This is actually a measure of intensity, which relates to how much energy the pressure wave has.

  10. www.explainthatstuff.com › soundSound - The science of waves, how they travel, how we use them

    Jul 23, 2023 · The energy something makes when it vibrates produces sound waves that have a definite pattern. Each wave can be big or small: big sound waves have what's called a high amplitude or intensity and we hear them as louder sounds. Loud sounds are equivalent to larger waves moving over the sea (except that, as you'll remember from up above, the air ...

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