WEEK/TERM: THIRD TERM /WEEK 6
CLASS: Grade 2
DATE: 26th June, 2020
SUBJECT: Basic Science and Technology
TOPIC: Chemical Pollution
Reference: Stan Basic Science and Technology for primary 3 Google Scholar.
Harmful substances released into the environment are destructive to plants, animals, humans and the environment.
Notes for the Pupils
Definition of Chemical pollution
Chemical pollution is the release of dangerous materials into the environment.
Sources of Chemical pollution
Examples of some substances that causes chemical pollution are:
- Dust and cement.
- Smoke or fumes from cars, generators, burning refuse and homes.
- Oil spillage.
Ways of preventing chemical pollution
Chemical pollution can be prevented through the following ways:
- Factories should not be sited close to residential homes. Schools, hospitals and offices.
- Chemicals should not be used for fishing.
- People should be educated on the danger of pollution.
- The use of powerful chemicals to store food should be avoided.
- Improper application of pesticide to kill mosquitoes should be avoided.
- Define pollution.
- List three sources of chemical pollution.
- List three ways of preventing chemical pollution.