PRIMARY 1: BASIC SCIENCE – SECOND TERM | WEEK SIX

TOPIC: PREVENTION OF WATER CONTAMINATION

A: TEACHING AND LEARNING MATERIALS

1. Clean water.
2. Covered water container.
3. Clean cloth or water filter.
4. Pictures of boiling water.
5. Pictures of clean and dirty surroundings.
6. Chalkboard or whiteboard.

B: REFERENCE MATERIALS

1. Scheme of work.
2. Recommended Basic Science textbook for Primary 1.
3. Online educational resources.

C: PREVIOUS KNOWLEDGE

The pupils have learnt that water can become contaminated by refuse, human and animal waste, dirty hands, dirty containers and other harmful substances.

D: PERFORMANCE OBJECTIVES

By the end of the lesson, pupils should be able to:

1. Mention ways of preventing water contamination.
2. Explain why water containers should be covered.
3. State why refuse should be kept away from water sources.
4. Identify simple ways of making water safer.
5. Explain the importance of drinking clean water.
6. Demonstrate proper storage of water.

E: CONTENT

Keeping Water Clean

We should protect water from dirt and germs.

Ways of Preventing Water Contamination

1. Do not throw refuse into water.
2. Keep toilets away from water sources.
3. Use clean water containers.
4. Keep drinking water covered.
5. Wash hands before touching water containers.
6. Keep animals away from drinking water.

Making Water Safer

Some ways of making water safer include:

• Boiling water.
• Filtering water.
• Allowing dirt to settle before carefully taking the cleaner water.

Children should ask an adult for help when water needs to be boiled.

Safe Water Storage

💧 Drinking water should be kept in a clean, covered container.

✅ Cover water.

❌ Do not put dirty hands inside it.

Importance of Clean Water

Clean water helps us stay healthy.

Dirty water may cause diseases.

F: LESSON PRESENTATION

F1: Teachers’ Activities

1. Revises causes of water contamination.
2. Shows a clean, covered water container.
3. Explains ways of keeping water clean.
4. Demonstrates simple filtering where appropriate.
5. Explains that adults can boil water to make it safer.
6. Discusses proper storage of drinking water.
7. Emphasises hand cleanliness.

F2: Pupils’ Activities

1. Mention causes of water contamination.
2. Identify a properly covered water container.
3. State ways of keeping water clean.
4. Observe a simple filtering demonstration.
5. Demonstrate covering a water container.
6. Explain why clean water is important.

G: CONCLUSION

The teacher revises ways of preventing water contamination and corrects pupils where necessary.

The teacher encourages pupils to drink clean water and keep water containers covered.

H: EVALUATION GUIDE

Pupils should be able to answer the following questions:

1. Mention two ways of keeping water clean.
2. Why should drinking water be covered?
3. Should refuse be thrown into a river?
4. Mention one way of making water safer.
5. Who should help children to boil water?
6. What kind of container should hold drinking water?
7. Complete: Clean water helps us stay \_\_\_\_\_\_.