Sources of Water Supply
Subject : P.H.E Physical And Health Education
Topic : Sources of Water Supply
Class : J.S.S.1
Term : FIRST TERM
Week : WEEK 10
Instructional Materials :
- Wall charts
- Pictures
- Related Online Video
- Flash Cards
Methods of Teaching :
- Class Discussion
- Group Discussion
- Asking Questions
- Explanation
- Role Modelling
- Role Delegation
Reference Materials :
- Scheme of Work
- Online Information
- Textbooks
- Workbooks
- 9 Year Basic Education Curriculum
- Workbooks
Previous Knowledge :
The pupils have previous knowledge of the previous topics
Methods of Sewage and Refuse Disposal
Behavioural Objectives : At the end of the lesson, the pupils should be able to
- Mention any three (3) treatment of water before supply.
- List five uses of water
- Explain how water is needed in agriculture
Content :
Water Supply
The body system contains approximately 75% of water. Most of the food we take comprises water. It helps the flow of blood, prevents dehydration, regulates body temperature and helps in eliminating body waste. It is needed in agriculture, sports, industry, domestic affairs, recreation, transportation, researches and many other aspects of life.
The two major sources of water to man are: –
- Surface water supplies
- Ground water supplies
Surface Water Supplies: are abundant, easily accessible – they includes:
- Rain water
- River water
- Lakes, ponds and streams
Ground Water Supplies: Include the following
- Well: – there are two types of well
- Shallow
- Deep
Qualities of Good Water Supply
- A good water must be odourless.
- It must be tasteless.
- It must be colourless.
- It must be free from pathogens.
- It must contain acceptable mineral composition.
Uses of Water
- Water is used for drinking.
- It is used for bathing.
- Water is used for cooking.
- It is used for washing of clothes.
- It is used for cleaning and flushing of toilet.
- It is used as a means of transportation.
- It is used for transporting activities e.g. swimming, water polo etc.
Treatment of Water Before Supply
- Undesirable taste and odour are removed from the water by aeration.
- Bacterials are destroyed by the addition of chlorine.
- The taste of chlorine is then removed with sodium sulphites.
- Excessive hardness of water, is reduced by the addition of slake.
Presentation
The topic is presented step by step
Step 1:
The class teacher revises the previous topics
Step 2.
He introduces the new topic
Step 3:
The class teacher allows the pupils to give their own examples and he corrects them when the needs arise
:
EVALUATION QUESTIONS
- Name the two major sources of water to man
- Mention five qualities of good water supply
GENERAL EVALUATION/REVISION QUESTIONS
- Mention any three (3) treatment of water before supply.
- List five uses of water
- Explain how water is needed in agriculture.
WEEKEND ASSIGNMENT
- Most of the food we take comprises ___________ life B. blood C. water D. good
- Water is needed in the following areas except __________ transportation B. ocean C. agriculture D. domestic affairs
- One of these is not a qualities of a good water free from pathogens B. must be colourful C. must be tasteless D. must be odourless
- Which of the following water is used for? Drinking B. Bathing C. Cooking D. All of the above
- Rain water is under which sources of water supply? Surface water B. Ground water C. Middle water D. None of the above
THEORY
- Mention the two types of well.
- List out seven uses of water.
Conclusion :
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.
