Substances that Contaminate Water | Ways of Preventing Contamination of Water Primary 3 (Basic 3)

Last Updated on December 29, 2020 by Alabi M. S.

 

 

GENERAL INFORMATION

BASIC SCIENCE

BASIC SCIENCE AND TECHNOLOGY

SECOND TERM 

WEEK 8

PRIMARY 1

THEME – LEARNING ABOUT OUR ENVIRONMENT 

 PREVIOUS LESSON – Second Term Basic Science and Technology Mid Term Test and Break Primary 3 (Basic 3)

 

TOPIC – CONTAMINATION OF WATER 

 

LEARNING AREA

1. Introductory Activities

2. Substances that Contaminate Water

3. Ways of Preventing Contamination of Water

4. Lesson Evaluation and Weekly Assessment

 

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. identify and name some substances that make water unfit for drinking.

2. state ways of preventing contamination of water.

 

ENTRY BEHAVIOUR

1. Defecating on water bodies.

2. Dumping of refuse and industrial wastes into water bodies.

 

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Sand

2. Urine

3. Dust

4. Charts showing various ways water can be contaminated.

 

 

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

Scheme of Work

9 – Years Basic Education Curriculum

Course Book

All Relevant Material

Online Information

 

WRITING INSTRUCTIONS

Copy as I write or draw as I draw. This instruction should be given when you need the pupils to write or draw.

 

CONTENT OF THE LESSON  

LESSON 1 – INTRODUCTORY ACTIVITIES

Teacher’s Activities – Get some some buckets with clean and clear water.

Also, get some substances (kerosene, dye, animal dung, sand, etc.) that can change the colour and odour of the water for the pupils to mix some of the buckets of water.

Ask them, is the water is safe for drinking, cooking and bathing? Itemise the substances mixed with the water.

Pupil’s response – The water is unsafe for drinking, cooking or bathing. kerosene, dye, animal dung, sand, etc.

Teacher’s remark – Contaminated is unfit for drinking, cooking or bathing. The above substances are substances that contaminate water. Give a great cheer for active participation and quick response. Note the substances on the board, ask the pupils to state other substances that can contaminate water.

 

On board, copy as I write.

SUBSTANCES THAT CAN CONTAMINATE WATER 

1. Oil – fuel, kerosene, etc.

2. Soil particles

 

 

3. Chemical – sniper

4. Decay or dead animals or Insects

5. Life animals or Insects

6. Urine

7. Dye

8. House waste

8. Industrial or commercial waste, etc.

 

LESSON 2 – WAYS OF PREVENTING CONTAMINATION OF WATER

Teacher’s Activities – Display chart showing various ways water can be contaminated and ask the pupils to examine and discuss how to prevent water contamination.

Pupil’s response – Examine the chart and state how to prevent water contamination.

Teacher’s remark – To stop water contamination, we must stop defecating or throw water into the water bodies, etc. A great cheer for active participation and quick response to questions.

 

On board, copy I as write.

WAYS OF PREVENTING CONTAMINATION OF WATER

1. Pick all litter materials and throw into waste bin.

2. Dispose household waste properly.

3. Make use of toilet defecating or urinating.

4. Properly drainage for household, commercial and industrial waste.

5. Chemical and oil should be handled with care and used when needed.

6. Dead or decay animals or Insects should be dispose properly.

7. Put domestic animals under control.

 

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. Creates activities that will enable the pupils to identify substances that contaminate water and how to prevent water contamination.

Pupil’s Activities – Active participation in the class activities and discussion.

 

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 – Purification of Water by Improvisation and Use of Chemical Primary 3 (Basic 3)

 

LESSON EVALUATION 

Pupils to:

1. state 5 substances that contaminate water.

2. list 4 ways of preventing water contamination.

 

 

WEEKLY ASSESSMENT 

ATTEMPT ALL THE QUESTIONS 

 

Write 5 substances that contaminate water.

 

1. _____________________

 

2. _____________________

 

3. _____________________

 

4. _____________________

 

5. _____________________

 

Write 5 ways to prevent water contamination.

 

 

6. _____________________

 

7. _____________________

 

8. _____________________

 

9. _____________________

 

10. _____________________

 

 

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