Basic Electricity I – Electricity As A Form of Energy and Types of Electricity | Methods of Generating Electricity Primary 5 (Basic 5) Term 3 Week 4 Basic Science and Technology

 

BASIC TECHNOLOGY

BASIC SCIENCE AND TECHNOLOGY

THIRD TERM

WEEK 4

PRIMARY 5

THEME – YOU AND ENERGY 

PREVIOUS LESSON – Materials Used for Making Local Soaps and Detergents | Active Ingredients in Soap Making Primary 5 (Basic 5) Term 3 Week 3 Basic Science and Technology

 

TOPIC – BASIC ELECTRICITY 

 

LEARNING AREA

1. Introduction

2. Electricity as a Form of Energy

3. Types of Electricity

4. Cell or Battery and the Flow of Electric Current

5. Methods of Generating Electricity

6. Lesson Evaluation and Weekly Assessment (Test)

 

 

PERFORMANCE OBJECTIVES 

By the end of the lesson, most of the pupils should have attained the following objectives ll-

1. identify types of electricity.

2. explain how electricity is produced (generated).

3. state the importance of electricity in everyday life.

 

 

ENTRY BEHAVIOUR

The pupils can state the importance of electricity in school and at home.

 

 

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of Wool, fur or silk. Hard rubber rod or comb, Glass rod, Dry cell (1.5v), Bar magnets, Nails, pieces of paper, ropes, threads. Light bulbs, Connecting wires, Circuit board, Lamp holders, Switch key, Pins. Bar magnets, Iron fillings, Paper clips, Coins, Rubber bands.

 

 

METHOD OF TEACHING

Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons. 

 

 

REFERENCE MATERIALS

1. Scheme of Work

2. 9 – Years Basic Education Curriculum

3. Course Book

4. All Relevant Material

5. Online Information

 

 

CONTENT OF THE LESSON  

LESSON 1 – INTRODUCTION

Electricity is very useful at home, offices, in school, etc.

Most of our home appliances depend on electricity.

For example, if there is no electricity, the following items will not work – television set, water heater, etc.

The Power Holding Company of Nigeria (PHCN), formerly the National Electric Power Authority (NEPA), is an organisation governing the use of electricity in Nigeria.

 

ELECTRICITY AS A FORM OF ENERGY 

Electricity is a form of energy that can give things the ability to move and work.

Electricity makes the following to work or move: bulbs, torch light, television, toy cars, machines like cars, etc.

These energy can be produced by and friction, magnets and chemicals.

 

TYPES OF ELECTRICITY

There are two types of electricity,

1. Static electricity

2. Current electricity

 

 

LESSON 2 – STATIC ELECTRICITY AND ELECTRIC CURRENT 

ACTIVITY 1 

Teacher organizes the pupils in groups or pairs and guides them,

  • to rub their biro case on the sleeve of their shirt vigorously and quickly, and bring it near a small piece of plain paper.
  • what is your observation?

Expected responses – There is an attraction between biro case and the small piece of plain paper.

Teacher’s remark – The attraction is caused by static electricity.

This is one of the types of electricity.

 

ACTIVITY 2

Teacher gives each of the group or pair a battery, wire and bulb and lets them,

  • use a battery and wire to light a bulb.
  • what is your observation when the wire is connected or disconnected from the battery?
  • what happens when a torch light is switched on and off?
  • What happens when a television wire is removed from the socket?

Excepted responses,

  • The bulb goes off.
  • The same happened when you switched off a torch light, but when you put it on, it gives light.
  • The television starts working when connected and stops working when disconnected.

 

STATIC ELECTRICITY 

Static Electricity is the contact between equal amount of protons and electrons.

A proton is a positively subatomic particle while electron is a negatively charged subatomic particle.

 

CURRENT ELECTRICITY 

Current Electricity is a flow of electric charge across an electrical field.

 

 

LESSON 3 – METHODS OF GENERATING ELECTRICITY

Electricity generation is the process of generating electrical power from other sources of primary energy.

Electricity can be generated using the following:

1. Hydro (water) – Kainji dam

2. Solar Electricity

3. Electric Machines (Generator)

4. Electric Battery

5. Wind Electricity

6. Coal Electricity

7. Wave Electricity

 

1. HYDROELECTRIC

Hydroelectric is the electricity produced by moving water.

For example, Kainji dam.

 

2. SOLAR ELECTRICITY

Solar electricity is the conversion of sunlight into electricity through photovoltaic (PV) panels or through concentrate solar radiation or both.

 

3. ELECTRIC MACHINE (GENERATOR) 

Electric machine is the conversion of mechanical energy into electricity using generator machine.

 

4. ELECTRIC BATTERY 

Electric battery is the collection one or more chemical energy pack to generate electric flow in a circuit.

 

5. WIND ELECTRICITY 

Wind power is the use of wind turbines to generate electricity.

 

6. COAL ELECTRICITY 

Coal power is the burning of coal to generate electricity in thermal power station.

 

7. WAVE ELECTRICITY 

Wave electricity is the use of equipment on the surface of the ocean to convert energy generated by ocean wave into mechanical energy, then to electricity power.

 

 

PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;

2. Teacher organizes pupils in groups or pairs depending on the size of the class.

3. Teacher gives each of the group or pair a battery, bulb and wire.

4. Teacher lets pupils to use the materials given to them to produce light.

Pupil’s Activities – Connect the battery and bulb with wire to produce light.

5. Teacher asks the following questions,

  • what kinds of energy produced by the bulb?
  • what is the energy produced by the battery?

Pupil’s Activities – Expected respond, light and low chemical energy.

6. Teacher uses the pupil’s activities and responses to introduce the lesson.

Pupil’s Activities – Pay attention to the lesson introduction to understand the concept of the lesson.

7. Teacher leads the groups or pairs to discuss electricity as a form of energy and types of electricity with appropriate activities such as,

  • produce electricity from friction, magnets and chemicals.
  • complete an electric circuit.

Pupil’s Activities – Participate actively in the class activities,

  • Rub wool materials firmly on a hard rubber rod or comb and move the rod close to small pieces of paper or pins.
  • complete an electric circuit by add resistor (switch).
  • discuss your observations.

8. Teacher displays chart showing different methods of generating electricity.

9. Teacher asks pupils as a group or pair to identify and describe the content of the lesson.

Pupil’s Activities – Identify and describe the most common methods of generating electricity in their communities. For example – hydropower, generator and solar.

10. Teacher uses the chart and the group’s or pair’s responses to leads discussion on the common methods of generating electricity and others.

Pupil’s Activities – Participate actively in the class discussion.

11. Teacher summarizes the lesson on the board with appropriate lesson evaluation.

Pupil’s Activities – Participate actively in the summary of the lesson by responding correctly to the teacher’s questions and write as instructed.

 

 

CONCLUSION

  • To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

 

 

LESSON EVALUATION 

Teacher asks pupils to –

1. name types of electricity.

2. describe how electricity is generated and conducted from one point to another.

3. differentiate between static and electric current.

4. state 5 methods of generating electricity.

 

 

WORKBOOK

WEEKLY ASSESSMENT

1. _______ is a form of energy that can give things the ability to move and work.

A. Television

B. Gas cooker

C. Electricity

 

2. _______ and _______ are the types of electricity.

A. Static and hydropower

B. Current and wave

C. Current and static

 

3. _______ is the contact between equal amount of protons and electrons.

A. Current electricity

B. Electric battery

C. Static electricity

 

4. _______ is a positively subatomic particle while _______ is a negatively charged subatomic particle.

A. Proton, electron

B. Electron and proton

C. Promo and electric

 

5. _______ is a flow of electric charge across an electrical field.

A. Current electricity

B. Electric battery

C. Static electricity

 

6. _______ is the process of generating electrical power from other sources of primary energy.

A. Electricity generation

B. Static generation

C. Current generation

 

7. _______ is the electricity produced by moving water.

A. wave power

B. hydropower

C. solar power

 

8. Kainji dam is a good example of _______.

A. wave power

B. hydropower

C. solar power

 

9. _______ is the conversion of sunlight into electricity through photovoltaic (PV) panels or through concentrate solar radiation or both.

A. wave power

B. hydropower

C. solar power

 

10. _______ is the conversion of mechanical energy into electricity using generator machine.

A. Solar

B. Generator

C. Battery

 

11. _______ is the collection one or more chemical energy pack to generate electric flow in a circuit.

A. Solar

B. Generator

C. Battery

 

12. _______ is the use of wind turbines to generate electricity.

A. Wave power

B. Coal

C. Wind power

 

13. _______ is the burning of coal to generate electricity in thermal power station.

A. Wave power

B. Coal

C. Wind power

 

14. _______ is the use of equipment on the surface of the ocean to convert energy generated by ocean wave into mechanical energy, then to electricity power.

A. Wave power

B. Coal

C. Wind power

 

15. Electricity is very useful at home, offices, in school, etc. because most of our home appliances depend on electricity. For example, if there is no electricity, the following items will not work – television set, water heater, etc.

A. False

B. True

 

16. PHCH stands for ______________.

 

17. NEPA stands for ______________.

 

18. PHCH was formerly ______________.

 

19. PHCN is an organisation governing the use of _______ in Nigeria.

 

20. _______ as a form of energy can be produced by friction, magnets and chemicals.