Health and Hygiene II – Process of Purifying Water (Primary 2)

 

PHYSICAL AND HEALTH EDUCATION

BASIC SCIENCE AND TECHNOLOGY

THIRD TERM  

WEEK 2 

PRIMARY 2

THEME – HEALTH EDUCATION 

PREVIOUS LESSON – Health and Hygiene I – Meaning and Methods of Purifying Water (Primary 2)

TOPIC – HEALTH AND HYGIENE – PURIFICATION 

LEARNING AREA

1. Methods of Purifying Water

2. Practical Demonstration of Purifying Water

 

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. enumerate some ways of purifying water.

2. describe some methods of purifying water.

3. practical demonstration of purifying water.

4. explain how to purify water at home.

 

ENTRY BEHAVIOUR

Boiling water

 

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

Charts, Film clips, Water filter.

Polluted water, Fire wood, Tripod stand, Sieving set, Pots.

Clean towel, Stove.

 

 

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  

INTRODUCTION

Purifying means to make pure or clean.

Purifying water is to make water safe for drinking.

 

 

METHODS OF PURIFYING WATER 

Methods of purifying water are different ways of making water clean and it includes –

FILTRATION

Filtration is a water of removing solids particles in water.

This is possible by using filter.

 

BOILING

Boiling is the easy and less expensive methods of purifying water.

Boiling will kill bacteria, parasites, and viruses by heating up the water on fire.

 

USE OF CHEMICALS 

The used of chemicals are expensive methods of purifying water. Just like boiling, chemicals kill bacteria, parasites, and viruses.

 

SIEVING

Sieving is similar to filtration.

This is to let the solid particles in water to settle down, then sieve.

 

 

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. Describes the each methods of purifying water.

Pupil’s Activities – Explain each of purifying water.

 

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 

Pupils to answer all the questions. 

1. ______________ is the removal of solid particles in water.

A. Filtration

B. Boiling

C. Use of Chemicals

D. Sieving

 

2. ______________ is similar to sieving.

A. Filtration

B. Boiling

C. Use of Chemicals

D. Sieving

 

3. ______________ kill germ in the Water by heating.

A. Filtration

B. Boiling

C. Use of Chemicals

D. Sieving

 

4. Purifying water is to make water to ______________.

A. Clear

B. Clean

C. Dirty

 

5. The main purpose of purifying water is ______________.

A. Safe for drinking

B. Safe and clean

C. Safe and pure

 

6. ______________ also kill germs in the Water.

A. Filtration

B. Boiling

C. Use of Chemicals

D. Sieving

 

 

 

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