Noise pollution: acceptable decibel levels (non-statutory)
I can compare acceptable decibel levels and classify sounds as noise pollution.
Noise pollution: acceptable decibel levels (non-statutory)
I can compare acceptable decibel levels and classify sounds as noise pollution.
Lesson details
Key learning points
- Noise is unwanted or unpleasant sound.
- Noise pollution describes levels of noise in an environment that are unwanted or harmful.
- The volume of sound is measured in decibels (dB).
- Normal conversation is approximately 60 dB.
- A decibel scale can be used to find out if sounds should be classified as noise pollution.
Common misconception
Children may think that any sound is classified as noise, or that only very loud sounds are considered to be noise pollution.
Explain that unpleasant or unwanted sounds are classified as noise. Noise pollution does not have to be loud, it can be an intermittent or continuous quieter noise that becomes a problem.
Keywords
Sound - We hear sound with our ears.
Noise - Noise is unpleasant or unwanted sound.
Classify - To classify is to sort objects into groups.
Noise pollution - Noise pollution is when sound becomes extremely unpleasant or unbearable and is a problem.
Decibel - The volume of sound is measured in decibels (dB).
Equipment
Data logger with a sound sensor, or electronic device with sound sensor app.
Content guidance
- Exploration of objects
Supervision
Adult supervision recommended
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
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