WEEK/TERM: THIRD TERM /WEEK 5
CLASS: Grade 2
DATE: 26th June, 2020
SUBJECT: Basic Science and Technology
TOPIC: Pollution: Noise Pollution: Meaning, Sources and Prevention.
Reference: Stan Basic Science and Technology for primary 3.
Any sound that is not pleasant to the ear is referred to as noise. Noise pollution could be harmful to our health and the environment as well. Exposure to noise pollution over a long period of time adversely affects the ear drum.
Notes for the Pupils
Meaning of Noise Pollution
Noise pollution is a loud and unwanted or unpleasant sound. Pollution occurs when the environment is filled with harmful substances that are dangerous to health.
Sources of Noise Pollution
The following are sources of noise pollution:
- Sound from generators.
- Sounds produced by lorries, cars, and aeroplanes.
- Sound from grinding machines, musical instruments and heavy machines.
Ways of preventing noise pollution
- Music should not be played at a high volume.
- Grinding machines and generators should be kept far from where people live.
- Car horns should not be used unnecessarily.
- Government should make laws to control noise pollution.
- Define noise pollution.
- State the sources of noise pollution.
- Identify ways of preventing noise pollution.