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Sounds are tiny vibrations that can travel through air and other
materials. The loudness of a sound is measured in decibels (db). Typical
sound levels in decibels:
Note: 130 db causes damage to hearing.
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1
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Breathing
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10 db
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|
2
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Wind in the trees
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20 db
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3
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Whisper
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20-30 db
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4
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Ticking Clock
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30 db
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5
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House in a quiet street
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35 db
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6
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Radio Music
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50-60 db
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7
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Loud Conversation
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60 db
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8
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Office Noise
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60 db
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9
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Children Playing
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60-80 db
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10
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Lawn mower
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60-80 db
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11
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Vacuum cleaner
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80 db
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12
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Traffic Noise
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60-90 db
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13
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Sports Car
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80-95 db
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14
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Heavy truck traffic
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90-100 db
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15
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Loud Radio
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100 db
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16
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Motor Cycle
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105 db
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17
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Pneumatic drill
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110 db
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18
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Thunder storm
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110 db
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19
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Rock Music
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120 db
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20
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Aircraft Noise
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90-120 db
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21
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Jet takeoff(at 100 meter distance)
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120 db
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22
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Jet Engine(at 25 meter distance)
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140 db
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23
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Space Vehicle launch (from a short distance)
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140-170 db
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