TOPIC: BASIC ELECTRICITY III – USES AND SAFETY
A: TEACHING AND LEARNING MATERIALS
- Pictures of electrical appliances.
- Safety-sign charts.
- Pictures of damaged electrical wires.
- Pictures showing safe and unsafe electrical practices.
- Flashcards.
- Pupils’ notebooks and pencils.
B: REFERENCE MATERIALS
- Scheme of work.
- Recommended Basic Science textbook for Primary 5.
- Online educational resources.
C: PREVIOUS KNOWLEDGE
The pupils have learnt about electric current, simple circuits, conductors and insulators and understand that electricity flows through suitable materials.
D: PERFORMANCE OBJECTIVES
By the end of the lesson, pupils should be able to:
- Mention common electrical appliances.
- State uses of electricity.
- Mention dangers associated with electricity.
- Identify causes of electrical accidents.
- State electrical safety rules.
- Explain why electricity and water should be kept apart.
- State ways of conserving electricity.
E: CONTENT
Electrical Appliances
Common electrical appliances include:
- Television.
- Refrigerator.
- Fan.
- Electric iron.
- Electric kettle.
- Blender.
- Washing machine.
- Air conditioner.
Uses of Electricity
Electricity is used for:
- Lighting.
- Cooking.
- Cooling.
- Heating.
- Communication.
- Operating machines.
- Entertainment.
- Refrigeration.
Dangers of Electricity
Electricity can cause:
- Electric shock.
- Burns.
- Fire.
- Injury.
- Death in severe cases.
Causes of Electrical Accidents
Electrical accidents may result from:
- Touching exposed wires.
- Using damaged appliances.
- Touching switches with wet hands.
- Overloading sockets.
- Putting objects into sockets.
- Playing near electrical installations.
Electrical Safety Rules
⚠️ We should:
- Never touch exposed wires.
- Never touch electrical appliances with wet hands.
- Keep electrical appliances away from water.
- Do not put fingers or objects into sockets.
- Report damaged wires to an adult.
- Switch off appliances when not in use.
- Avoid overloading sockets.
- Follow adult instructions.
Conservation of Electricity
To conserve electricity:
- Switch off lights when not needed.
- Switch off fans when leaving a room.
- Unplug appliances that are not in use where appropriate.
- Use electricity responsibly.
F: LESSON PRESENTATION
F1: Teachers’ Activities
- Displays pictures of electrical appliances.
- Revises their uses.
- Explains dangers of electricity.
- Shows examples of unsafe electrical practices.
- Discusses safety rules.
- Explains why water increases electrical danger.
- Discusses responsible use and conservation of electricity.
F2: Pupils’ Activities
- Name electrical appliances.
- State their uses.
- Identify unsafe practices in pictures.
- Mention dangers of electricity.
- State safety rules.
- Suggest ways of conserving electricity.
G: CONCLUSION
The teacher revises the uses, dangers and safety rules associated with electricity. Pupils are warned never to handle exposed wires, sockets or damaged electrical appliances.
H: EVALUATION GUIDE
Pupils should be able to answer the following questions:
- Mention five electrical appliances.
- State four uses of electricity.
- Mention three dangers of electricity.
- State four causes of electrical accidents.
- Mention five electrical safety rules.
- Why should electrical appliances be kept away from water?
- State three ways of conserving electricity.