Gidemy Educational Video Network
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Science - Grade 5: Noise Pollution
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30 Visninger·
11/03/23
WHAT IS NOISE POLLUTION? Not all sound is considered noise pollution. The World Health Organization (WHO) defines noise above 65 decibels (dB) as noise pollution. To be precise, noise becomes harmful when it exceeds 75 decibels (dB) and is painful above 120 dB.
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Gidemy Educational Video Network
11 Visninger · 22/12/24
Gidemy Educational Video Network
5 Visninger · 22/12/24
Gidemy Educational Video Network
14 Visninger · 22/12/24
Gidemy Educational Video Network
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Gidemy Educational Video Network
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Gidemy Middle School
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Gidemy Middle School
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