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PRIMARY 5: BASIC SCIENCE – THIRD TERM | WEEK 10

TOPIC: BASIC ELECTRICITY III – USES AND SAFETY

A: TEACHING AND LEARNING MATERIALS

  1. Pictures of electrical appliances.
  2. Safety-sign charts.
  3. Pictures of damaged electrical wires.
  4. Pictures showing safe and unsafe electrical practices.
  5. Flashcards.
  6. Pupils’ notebooks and pencils.

B: REFERENCE MATERIALS

  1. Scheme of work.
  2. Recommended Basic Science textbook for Primary 5.
  3. 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:

  1. Mention common electrical appliances.
  2. State uses of electricity.
  3. Mention dangers associated with electricity.
  4. Identify causes of electrical accidents.
  5. State electrical safety rules.
  6. Explain why electricity and water should be kept apart.
  7. 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:

  1. Lighting.
  2. Cooking.
  3. Cooling.
  4. Heating.
  5. Communication.
  6. Operating machines.
  7. Entertainment.
  8. 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:

  1. Never touch exposed wires.
  2. Never touch electrical appliances with wet hands.
  3. Keep electrical appliances away from water.
  4. Do not put fingers or objects into sockets.
  5. Report damaged wires to an adult.
  6. Switch off appliances when not in use.
  7. Avoid overloading sockets.
  8. 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

  1. Displays pictures of electrical appliances.
  2. Revises their uses.
  3. Explains dangers of electricity.
  4. Shows examples of unsafe electrical practices.
  5. Discusses safety rules.
  6. Explains why water increases electrical danger.
  7. Discusses responsible use and conservation of electricity.

F2: Pupils’ Activities

  1. Name electrical appliances.
  2. State their uses.
  3. Identify unsafe practices in pictures.
  4. Mention dangers of electricity.
  5. State safety rules.
  6. 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:

  1. Mention five electrical appliances.
  2. State four uses of electricity.
  3. Mention three dangers of electricity.
  4. State four causes of electrical accidents.
  5. Mention five electrical safety rules.
  6. Why should electrical appliances be kept away from water?
  7. State three ways of conserving electricity.