PRESENTACIÓN del sonido
dariorayahidalgo08
Created on November 26, 2024
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Transcript
JOSÉ dAVId rAYA hIDALGO
sound and noise pollution
Index
Effects of noise pollution
Sonometer
Activities that produce more than 65dB
Noise Pollution
Sound and Noise
Sound and Noise
How is sound produced ?
The sound is generated when particles move through a medium (air, water and metals) leaving their state of rest like waves.
Which matter can sound wave travel faster through?
What kind of matters can sound waves travel through?
The sound can travel through several ways; which can be solid, liquid, or gaseous (air). It travels faster through the iron than others matters.
Noise waves are irregular and untidy
Sound waves are regular and tidy
Two differences between sound and noise: Draw sound waves and noise waves
What is Noise Pollution ?
Noise pollution
Noise pollution is the presence of sound or vibrations in the environment that exceed 65 decibels
Activities for reduce noise pollution
Dont`t slam door
don´t shout
use Soft lights
respect night silence
use public transport
Activities that produce more than 65 DB
animals
industry
air traffic
traffic
WORKS IN THE sTREET
SONOMETER
What is a sonometer ? How does it work?
It´s an instrument that use for measure the intensity of noise. The noise level is measured in decibels.
62.5 dB
93.5 dB
29 dB
55 dB
75 dB
Having a shower
Being total silence in your room
Listening to music
Watching TV
A busy street