Multiple choice

What changes a sounds pitch?

  1. how fast or slow a object vibrates

  2. the amount of time an object vibrates

  3. the volume

  4. the material of what is making the sound
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pitch is determined by the frequency of a sound wave. Higher frequency vibrations result in a higher pitch, while lower frequency vibrations result in a lower pitch.

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