Lesson Notes By Weeks and Term - Primary 3



Subject: Basic Science

Class: Primary 3

Term: 1st Term

Topic: Water

Subtitle: Qualities of water

Learning Objectives:At the end of this this lesson,pupils should be able to:

  1. state the qualities of good water.
  2. Identify and name four substances that make water unclean
  3. State the dangers of drinking unclean water 

Resources and materials:

Scheme of work

Online information

Instructional material: clean and unclean water, picture chart

Building Background/connection to prior knowledge: pupils are familiar with the topic in their previous classes.



Water is a liquid, it can be found naturally, that is water bodies not made by man examples river, rain, lakes, seas, streams, spring and ocean. Artificial sources of water are man made sources of water, examples well, boreholes, water tanks and ponds.

Qualities of clean water

  1. Water can be said to be clean, when itis
  2. odourless,
  3. colourless,
  4. contamination free and
  5. Unclean water has
  6. colour,
  7. taste
  8. odour or smell
  9. and it is contaminated and unfit for drinking


Dangers of drinking unclean water: drinking unclean water can result in

  1. Vomiting or diarrhea
  2. Skin rashes
  3. Water-borne diseases such typhoid, cholera and jaundice
  4. Dehydration
  5. Death

Methods of purifying water

  1. By filtering
  2. By adding chlorine to the water
  3. By boiling the water.


Strategies and activities:

Step1:Teacher revises the previous topic.

Step2:Teacher introduces the new topic.

Step3:Teacher explains the new topic.

Step4: Teacher welcomes pupils’ questions.

Step5: Teacher evaluates the pupils.

Assessment & Evaluation

1.List three properties of unclean water

  1. What is water?
  2. List two qualities of clean water?

WRAP UP(CONCLUSION) Teacher goes over the topic once again for better understanding.


  1. List four dangers of drinking unclean water.
  2. What makes water unfit for drinking

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