Radience

Introduction to Sound 1-PS4-1

NGSS

acoustics

the study of sound
acoustics Simple Definition

decibel

a unit of sound loudness
decibel Simple Definition

echo

a reflected sound wave
echo Simple Definition

loudness

how loud or soft a sound is perceived to be
loudness Simple Definition

pitch

how high or low a sound is, as determined by its frequency
pitch Simple Definition

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