Changes in Nature – Meaning and Types of Temporary and Permanent Changes (Primary 4)

Last Updated on August 2, 2020 by Alabi M. S.

BASIC SCIENCE

BASIC SCIENCE AND TECHNOLOGY

FIRST TERM 

WEEK 1

PRIMARY 4

THEME – LEARNING ABOUT OUR ENVIRONMENT 

PREVIOUS LESSON – THIRD TERM EXAMINATION 

TOPIC: CHANGES IN NATURE 

LEARNING AREA 

1. Meaning (Types) of Change

2. Meaning (Examples) of Temporary and Permanent Changes

3. Activities that Demonstrate and Differentiate between Temporary and Permanent Changes

PERFORMANCE OBJECTIVES 

By the end of the lesson, the pupils should have attained the following objectives (cognitive, affective and psychomotor)and should be able to –

1. state the meaning of change;

2. mention the changes they observe in their surrounding;

3. state the differences between temporary and permanent changes;

4. give examples of temporary and permanent changes.

 

ENTRY BEHAVIOR

The ground get wet during rainy season, the plants start growing and and weather becomes comfortable. But during the dry season, the ground and plants dried and weather becomes uncomfortable.

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. a poster showing changes occurring in school and home surroundings; immediate school surrounding;

2. water

3. nails

4. candle

5. matches

6. wood

7. pieces of paper

8. container

9. pieces of cloth

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

ASEI PDSI METHOD – Changes in Nature – Meaning and Types of Temporary and Permanent Changes (Primary 4) ASEI PDSI METHOD

CONTENT OF THE LESSON

LESSON ONE – LESSON INTRODUCTION

Changes are everywhere. Everything within and around are changing from the time to time.

Changes are temporary or permanent. When rain falls, the ground gets wet (temporary), plant and grass starts (permanent), the weather get cool and comfortable (temporary).

When the sun rises, the ground gets dry (temporary), plants and grasses remain the same or dried up (permanent), the weather becomes warms and sometimes, uncomfortable (temporary).

MEANING OF CHANGE

Change is a process through which something becomes different.

TYPES OF CHANGES

1. Temporary Changes

2. Permanent Changes

LESSON TWO – TEMPORARY AND PERMANENT CHANGES 

MEANING OF TEMPORARY (REVERSIBLE) CHANGES 

Temporary change is a change that can be easily reversed back to its original state. That’s, it is only for a period of time.

A substance changes into new substances that look quite different.

They are called reversible changes.

 

EXAMPLES OF TEMPORARY CHANGES 

1. melting ice

2. melting butter

3. drying a wet cloth

4. dissolving salt in water

5. wetting sand, etc.

MEANING OF PERMANENT (IRREVERSIBLE) CHANGES 

Permanent Changes is a change that cannot be easily reversed back to its original State. That’s, it is for a longer time and are not reversible.

Permanent changes are also called Irreversible Changes.

There are three processes of permanent change:

1. Growing

2. Burning

3. Decaying

EXAMPLES OF PERMANENT CHANGE

1. Burned candle

2. Baby growing to an adult

3. Raw meat cooking

4. Burning of wood or paper

5. Rusting of iron

6. Souring of milk, etc.

LESSON THREE – PRACTICAL DEMONSTRATION OF TEMPORARY AND PERMANENT CHANGES 

Teacher’s/Pupil’s Activities that demonstrating and different between temporary and permanent changes.

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. Guides pupils to state the meaning of change.

Pupil’s Activities – Participate in class discussion and group activities.

3. Uses posters to initiate and guide class discussion on the changes that have taken place around them.

Pupil’s Activities – Observe and describe changes taking place in their surroundings, e.g.

• construction of new roads,

• sprouting of grass in the rainy season,

• burning of candles,

• melting of ice blocks; burning pieces of wood,

• wetting a piece of cloth, etc.

4. Carries out at least two class demonstrations to help pupils distinguish between temporary (reversible) and permanent (irreversible) changes.

Pupil’s Activities – Differentiate and group these changes as temporary and permanent changes.

5. Summarize the lesson on the board based on the above activities;

Pupil’s Activities – Writing the class summary.

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 – Changes in Plants (Primary 4)

LESSON EVALUATION

Pupils to: 

1. state the meaning of change;

2. describe two changes around them;

3. state two differences between temporary and permanent changes;

4. list four examples, each, of permanent and temporary changes.

5. indicate the kind of changes that occurred in –

• construction of new roads,

• sprouting of grass in the rainy season,

• burning of candles,

• melting of ice blocks; burning pieces of wood,

• wetting a piece of cloth, etc.

 

6. indicate the kind of permanent changes that occurred in –

• Burned candle

• Baby growing to an adult

• Raw meat cooking

• Burning of wood or paper

• Rusting of iron

• Souring of milk, etc.

 

Mention the change caused by rainfall and sunshine on –

7. The ground

8. The flowers and grasses

9. The school’s well

10. Grass growing

11. Opening the window

12. Human body

Relevant Link

Basic Science and Technology (Primary 4)

Basic Science and Technology (Primary 4)