FIRST TERM E-LEARNING NOTE
SUBJECT: BASIC SCIENCE
Term : First Term
Week: Week 9
Class : JSS 1
Previous lesson : The pupils have previous knowledge of
- Definition of Land or Soil Pollution
- Causes of Land/Soil pollution
- Effects of Land or Soil Pollution
- Control of Land/Soil Pollution
Behavioural objectives :
By the end of the lesson, the learners will be able to
- Define land Pollution
- Mention land Pollutants
- Say How to Reduce land pollution
- Mention four air pollutants
- List how to prevent land pollution
Instructional Materials :
- Wall charts
- Related Online Video
- Flash Cards
Methods of Teaching :
- Class Discussion
- Group Discussion
- Asking Questions
- Role Modelling
- Role Delegation
Reference Materials :
- Scheme of Work
- Online Information
- 9 Year Basic Education Curriculum
Definition of Land or Soil Pollution
Land Pollution means to make land or soil unfit for human use
soiling it with sewage or refuse .
Land/soil pollution is the release of refuse and untreated wastes from agricultural and domestic activities and are exposed or dumped on the soil.
Causes of land/soil pollution are human activities that can release land/soil pollutants such as:
(i) Agricultural activities which releases fertilizers, pesticides, herbicides and animal dung.
(ii) Oil spills from refineries and industries.
(iii) Illegal dumping of waste refuse and chemicals.
(iv) Indiscriminate disposal of domestic waste products on the soil.
Effects of Land or Soil Pollution
Effects of land or soil pollution include the following:
(i) Soil pollution destroys soil organisms like earthworms and some bacteria which may be useful to plant.
(ii) It reduces aesthetic values of the soil.
(iii) It reduces the soil nutrients.
(iv) It can cause serious hazards to plants and animals especially when chemical are deposited on the soil.
(v) Soil pollution can also cause air pollution by releasing unpleasant smell from biodegradable refuse.
Control of Land/Soil Pollution
The control of land or soil pollution can be done by the following:
(i) Recycling of non-biodegradable materials;
(ii) Controlling the use of fertilizers and chemicals during agricultural practices;
(iv) Legislation by government should be enacted to prevent indiscriminate disposal of wastes;
(v) Burying of biodegradable wastes to improve soil fertility.
The topic is presented step by step
The class teacher revises the previous topics
He introduces the new topic
The class teacher corrects the pupils when and where the needs arise .
- Define land pollution.
- Enumerate five effects of land pollution.
- Discuss 5 ways of controlling land pollution.
- List 3 of land pollutants.
The class teacher wraps up or conclude the lesson by giving out short note to summarize the topic that he or she has just taught.
The class teacher also goes round to make sure that the notes are well copied or well written by the pupils.
He or she does the necessary corrections when and where the needs arise.
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