Thursday, February 9, 2012

Decibel Levels Around The School

The decibel for the clock was 46.3 decibels.
The decibel for the fire alarm was 49.8 decibels.
The decibel for the light was 53.6 decibels.
The decibel reading for the tv was66.52 decibels.The decibel reading for the tree was 52.2 decibels.
A decibel is the unit used to meassure sound and the electrical signal that come from it. It also meassures loudness. You meassure deciebels by using a decibel meter to meassure the electrical signals and the sound that comes from an object. Each thing has their own decibel so nothing else can have the same number.

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