Grade 4 - 7 Science - Gidemy Middle School
27/78 Videos
36
46
Gidemy Middle School
00:12:04
53
Gidemy Middle School
00:05:57
54
Gidemy Middle School
00:07:21
62
Gidemy Middle School
00:07:25
66
Gidemy Middle School
00:08:38
69
Gidemy Middle School
00:07:51
71
Gidemy Middle School
00:09:47
72
Gidemy Middle School
00:07:28
73
75
Gidemy Middle School
00:07:44
Science - Grade 5: Noise Pollution
0
0
174 Views·
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.
Show more
0 Comments
sort Sort By
- Top Comments
- Latest comments
Gidemy Educational Video Network
188 Views · 22/12/24
Gidemy Educational Video Network
107 Views · 22/12/24
Gidemy Educational Video Network
98 Views · 22/12/24
Gidemy Educational Video Network
61 Views · 22/12/24
Gidemy Educational Video Network
77 Views · 22/12/24
Gidemy Educational Video Network
129 Views · 22/12/24
Gidemy Educational Video Network
75 Views · 22/12/24
Gidemy Educational Video Network
126 Views · 22/12/24
Gidemy Educational Video Network
117 Views · 22/12/24
Gidemy Educational Video Network
138 Views · 22/12/24
Gidemy Educational Video Network
128 Views · 22/12/24
Gidemy Educational Video Network
104 Views · 22/12/24
Gidemy Educational Video Network
105 Views · 22/12/24
Gidemy Educational Video Network
112 Views · 22/12/24
Gidemy Educational Video Network
139 Views · 22/12/24
Gidemy Educational Video Network
120 Views · 22/12/24
Gidemy Educational Video Network
111 Views · 22/12/24
Gidemy Middle School
191 Views · 11/03/23
Gidemy Middle School
309 Views · 11/03/23









































































