SOUND POLLUTION

 

1. Go to bit.ly/efectoscontaminacion. Read the explanation about noise pollution and watch the related video.

a) List the different types of noise pollution mentioned in the video. 

1. Trafic , 2. Industrial activity  , 3. Location  , 4. Estations , ports y airports . 

b) What decibel level does the World Health Organization define as noise pollution? 

Any sound that supasses the 75 decibels . 

 Is it the same for all cities and all public places? 

No , is depended the place and the laws 

 

c) Describe four negative effects of noise pollution that have an impact on people’s health.

1. Anxiety : it is a feeling of fear , trepidation and restlessness . 

2. Depression : it's a disease .  

3. Stress : feeling of physical or emotionaly tension . 

4. Insomnia : is a frequent sleep disorder . 

 

2. In your Workbook, complete these sentences with words related to sound qualities:

a) The property or parameter relating to time is duration

b) A loud or soft sound tells us about its intensity 

c) That voice sounds familiar; I recognise its timbre 

d) His voice was so low that I could hardly hear it.

e) That siren was emitting a sound that was very high