Class: Primary 4
Subject: Basic Science
Term: Third Term
Week: 4
Topic: Water – Importance and Sources
Duration: 1 Hour
A. Lesson Objectives
By the end of the lesson, pupils should be able to:
Explain the meaning of water.
State the importance of water to living things.
Identify the natural and artificial sources of water.
Give examples of how water is used in everyday life.
B. Instructional Materials
Pictures or charts showing water sources (rivers, taps, wells, etc.)
Real containers with water (bowl, bottle, bucket)
Flashcards with key words: “drinking”, “rivers”, “cleaning”, “rain”, etc.
Videos or short animation about water sources (optional)
C. Lesson Content
1. Meaning of Water
Water is a natural liquid that is colourless, tasteless, and odorless.
It is very important for the survival of all living things — plants, animals, and humans.
2. Importance of Water
Water is important in many ways. We use water for:
| Use | Description |
|---|---|
| Drinking | All living things need water to survive. |
| Cooking | Water is used to prepare food. |
| Bathing and Cleaning | Helps us stay clean and wash things. |
| Farming | Water is needed to grow crops. |
| Transportation | Boats and ships move on water. |
| Industries | Used in factories for production. |
| Electricity | Water is used to generate hydro-power. |
3. Sources of Water
Water comes from natural and man-made (artificial) sources.
Natural Sources of Water
These occur in nature without human effort:
Rain
Rivers
Lakes
Streams
Springs
Oceans (salty water)
Man-made (Artificial) Sources of Water
These are created by humans:
Boreholes
Wells
Dams
Water taps
Water tanks
4. Clean and Safe Water
Not all water is safe to drink.
Safe water should be:
Clean and free from dirt
Colorless and odorless
Sometimes boiled or filtered to make it safe
D. Class Activities
Show pictures of natural and artificial sources of water.
Pupils name how they use water at home and school.
Identify sources of water in the local community.
Group discussion: “Why is water important to your family?”
E. Evaluation (Assessment Questions)
What is water?
Mention three ways we use water.
Name two natural sources of water.
Name two artificial sources of water.
Why is it important to drink clean water?
F. Assignment
Draw and label two natural sources and two artificial sources of water.
Write five ways water is used at home.
Visit a water source near your home and describe it.
G. Conclusion
Water is very important for life and daily activities.
It comes from natural and man-made sources.
We must use water wisely and always drink clean water to stay healthy.
