Heat and Energy (Conversion) – Meaning of Energy Conversion | Importance of Energy Conversion Primary 5 (Basic 5) Term 2 Week 5 Basic Technology

BASIC TECHNOLOGY

BASIC SCIENCE AND TECHNOLOGY

SECOND TERM

WEEK 5

PRIMARY 5

THEME – UNDERSTANDING BASIC TECHNOLOGY 

PREVIOUS LESSON – Common Domestic and Wild Animals | Classification of Domestic and Wild Animal based on their Food Primary 5/Basic 5 Term 2 Week 4 Basic Science

TOPIC – HEAT AND ENERGY 

LEARNING AREA

1. Introduction

2. Meaning and Forms of Energy Conversion

3. Importance of Energy Conversion

4. Importance of Energy Conversion

5. Lesson Evaluation and Weekly Assessment

PERFORMANCE OBJECTIVES 

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

1. explain the meaning of energy conversion.

2. name forms of energy conversions.

3. state the importance of energy conversions.

RATIONALE

Energy is the fundamental need of our everyday life. So much so, that the quality of life and even its sustenance, is dependent on the availability of energy. The Law of conservation of energy even tells us that the only thing that takes place with energy is the transformation from one form to another.

The concept of energy conservation will enable the pupils to understand and appreciate the importance of energy conservation in our daily lives.

ENTRY BEHAVIOUR

The pupils can identify objects that produces heat.

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Electric pressing iron

2. Immersion heater (boiling ring)

3. Kerosene Stove.

4. Charcoal Pressing iron

5. Bicycle Dynamo

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 

ACTIVITY 1 – INSTRUCTIONS 

1. Rub your palms together gently and very fast. What do you notice?

Our palms get warm (hot).

2. What do you feel when you are standing under the sun for too long?

The body will get warm (feel heat).

3. What other things produce the same amount or more of what you notice when you rub your palms together?

Other things that produce heat are stove, pressing iron, boiling ring, sun, etc.

Teacher’s comment, 

There are different form of energy.

Heat energy is one of them.

Other energy are light energy, mechanical energy, solar energy (energy from the sun), etc.

One energy can be converted to another energy.

MEANING OF ENERGY CONVERSION 

Energy conversion is the changing of one form of energy to another.

FORM OF ENERGY

1. Heat energy

2. Electrical energy

3. Mechanical energy

4. Solar energy

5. Chemical energy

6. Sound energy

7. Light energy

ENERGY CONVERSIONS

The forms of energy are electrical energy, heat energy, chemical energy and mechanical energy.

These energy can change form to another energy and vice versa as listed below:

1. Mechanical energy can be converted to heat energy.

For examples – iron, wood or coal is burnt.

2. Electrical energy can be converted to heat energy.

For examples – pressing iron, electric stove, etc.

3. Electrical energy can be converted to mechanical energy.

For examples – blender, electric cooker, etc.

4. Mechanical energy can be converted to electrical energy.

For example – generator

5. Chemical energy can be converted to heat energy.

For example – kerosene stove, etc.

6. Solar energy can be converted to heat energy, chemical energy, and electrical energy.

For examples – solar charger, solar light, etc.

7. Light energy can be converted to heat energy.

For example – bulb

QUICK EVALUATION 

1. What is energy conversion?

2. State 5 form energy.

3. Discuss and demonstrate how one energy is converted to another.

ASSIGNMENT 

Find out 5 importance of energy.

LESSON 2 – PRACTICE AND DEMONSTRATE ENERGY CONVERSION

Shows pupils how energy is converted to another by using palms, iron, generator, torchlight, standing or ceiling fan, kerosene stove, etc.

LESSON 3 – IMPORTANCE OF ENERGY CONVERSION 

The most important of energy is that it can change form.

For example,

1. It saves money.

For example, the use of battery, inverter and solar energy.

2. It reduces pollution.

For example, the use of kerosene stove, electric cooker and gas cooker.

3. It saves energy.

For example, battery, solar battery, etc.

4. It generates energy.

For energy, solar battery, generator, etc.

5. It replaces non renewable energy.

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. Leads pupils to perform the contents on activity 1 and response appropriately to the the questions.

Pupil’s Activities – Follow the instructions and answer the questions.

3. Uses the content of the activity 1 and Pupil’s responses to introduce the – energy conversion.

4. Leads a discussion on the meaning of energy conversion and different form of energy conversion with appropriate illustrations and examples.

Pupil’s Activities – Pay attention to the lesson introduction and participate actively in the lesson discussion.

5. Shows pupils energy conversion using two or more of the following – Rub your palms, iron, generator, torchlight, standing or ceiling fan, kerosene stove, etc.

Pupil’s Activities – Watch the teacher demonstrate how one energy is convert to another.

6. Guides pupils to practice and demonstrate how one energy is converted to another using the easiest and most safest means for the them.

7. Supervises the pupil’s activities in number 6.

8. Uses the activities in lesson to leads and guides pupils to state the importance of energy conversion.

Pupil’s Activities – State the importance of energy conversion as practiced and demonstrated.

10. Summarizes the lesson on the board.

Pupil’s Activities – Participate actively in the lesson summary 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.

NEXT LESSON

LESSON EVALUATION/ASSIGNMENT 

Ask pupils to:

1. explain the meaning of energy conversion.

2. name forms of energy conversions

3. state 5 importance of energy conversions.

4. practice and demonstrate two or more energy conversion with appropriate illustrations and examples.

WORKBOOK 

WEEKLY ASSESSMENT 

1. ______ is the changing of one form of energy to another.

A. energy conversion

B. energy conduction

C. energy consumption

2. ______ is the energy from the sun.

A. mechanical energy

B. heat energy

C. solar energy

3. Mechanical energy can be converted to ______.

A. mechanical energy

B. heat energy

C. solar energy

4. Electrical energy can be converted to ______.

A. light energy

B. heat energy

C. solar energy

5. Electrical energy can be converted to ______.

A. solar energy

B. light energy

C. mechanical energy

6. Mechanical energy can be converted to ______.

A. heat energy

B. electrical energy

C. chemical energy

7. Chemical energy can be converted to ______.

A. heat energy

B. light energy

C. mechanical energy

8. Light energy can be converted to ______.

A. heat energy

B. electrical energy

C. chemical energy

Complete the following –

Solar energy can be converted to _______9_______ energy, _______10_______ energy, and _______11_______ energy.

 

State 4 importance of energy.

12. ______________

13. ______________

14. ______________

15.______________