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00:07:44
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Gidemy Middle School
29 Views · 11/03/23
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Gidemy Middle School
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Gidemy Middle School
24 Views · 11/03/23
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Gidemy Middle School
23 Views · 11/03/23
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00:07:40
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Gidemy Middle School
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Gidemy Middle School
36 Views · 11/03/23
Upper Primary / Middle School
⁣Rock Cycle | Science | Grade-4,5 | TutWay |
00:07:27
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Gidemy Middle School
27 Views · 11/03/23
Upper Primary / Middle School
⁣Rocks and Their Types | Science | Grade-4,5 | TutWay |
00:09:11
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Gidemy Middle School
10 Views · 11/03/23
Upper Primary / Middle School
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00:07:51
⁣Physical and Chemical Changes-(Part-2) | Science | Grade-4,5 | TutWay |
Gidemy Middle School
18 Views · 11/03/23
Upper Primary / Middle School
⁣The Human Body: Respiratory System | Science | Grade 5 | TutWay
00:08:49
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Gidemy Middle School
10 Views · 11/03/23
Upper Primary / Middle School
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Gidemy Middle School
18 Views · 11/03/23
Upper Primary / Middle School
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00:08:38
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Gidemy Middle School
20 Views · 11/03/23
Upper Primary / Middle School
⁣Our Atmosphere and its Pollutants | Science | Grade-4,5 | TutWay |
00:07:27
⁣Our Atmosphere and its Pollutants | Science | Grade-4,5 | TutWay |
Gidemy Middle School
26 Views · 11/03/23
Upper Primary / Middle School
⁣Water Pollution - Its Effects and Preventions | Science | Grade- 4,5 | Tutway |
00:08:38
⁣Water Pollution - Its Effects and Preventions | Science | Grade- 4,5 | Tutway |
Gidemy Middle School
12 Views · 11/03/23
Upper Primary / Middle School
⁣Causes of Water Pollution | Science | Grade-4,5 | Tutway |
00:09:24
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Gidemy Middle School
15 Views · 11/03/23
Upper Primary / Middle School
⁣Sources of Water Pollution | Science | Grade-4,5 | Tutway |
00:05:23
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Gidemy Middle School
17 Views · 11/03/23
Upper Primary / Middle School
⁣Lever | Effort arm and load arm of a Lever | Science | Grade-4,5 | TutWay |
00:07:19
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Gidemy Middle School
14 Views · 11/03/23
Upper Primary / Middle School

Science - Grade 5: Noise Pollution

10 Views· 11/03/23
Gidemy Middle School
Gidemy Middle School
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In Upper Primary / Middle School / Science

⁣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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