• Class: Primary 3
  • Term: 3rd Term
  • Week: 6
  • Age: 9 years
  • Duration: 40 minutes
  • Subject: Basic Science and Technology
  • Curriculum Theme: Basic Science
  • Previous Lesson: Contaminated Water
  • Topic: Purification of water
  • Content: Purification of water

Performance Objectives:

By the end of the lesson, pupils should be able to:

  • Cognitive Domain: List at least three methods of purifying water.
  • Affective Domain: Explain the importance of drinking clean water.
  • Psychomotor Domain: Demonstrate how to use a simple water filter.
  • Social Domain: Work cooperatively in groups to discuss water purification methods.

Reference Materials:
The following resources were used in planning this lesson:

  • 9 – Years Basic Education Curriculum
  • Abuja Educational Resource Centre Scheme of work
  • NAPPS National Unified Scheme of Work
  • Online Information from Ecologix Environmental Systems
  • Relevant Textbooks

Instructional Materials:
The teacher will teach this lesson with the aid of:

  • Samples of clean and contaminated water
  • Water filter
  • Boiling pot and stove
  • Chlorine tablets
  • Cloth and sand
  • Transparent bottles

Rationale for the Lesson:
Understanding purification of water is essential for maintaining health and preventing diseases. Clean water is necessary for drinking, cooking, and hygiene. Knowing different methods to purify water helps in various situations, especially where clean water supply is limited.

Prerequisite/Previous Knowledge:
Pupils are aware of the importance of water in their daily lives and have previously learned about the dangers of contaminated water.


Learning Area: Purification of water

To deliver this lesson, the teacher will adopt the following steps:

Content DevelopmentTimeTeaching MethodTeaching StrategyTeacher’s ActivityPupils’ ActivityLearning Point
Step 1: Introduction5 minsInteractiveQuestion and AnswerAsk pupils about their experience with clean and dirty waterRespond to questions with their experiencesRelate previous knowledge to the new topic
Step 2: Methods of Purification10 minsDemonstrationVisual and PracticalShow and explain different methods of water purificationObserve and listen attentivelyUnderstand different methods of water purification
Step 3: Practical Demonstration10 minsHands-onGroup ActivityDemonstrate using a water filter, boiling, and chlorinationParticipate in the group activity and practice demonstrationsGain practical experience in purifying water
Step 4: Importance of Clean Water5 minsDiscussionInteractive DiscussionDiscuss the health benefits of drinking clean waterShare their thoughts and reasons for drinking clean waterAppreciate the importance of clean water
Step 5: Note Taking5 minsLectureExplanationSummarize and write down key points on the boardCopy notes into their notebooksReinforce learning through note-taking
Step 6: Evaluation3 minsAssessmentQuestion and AnswerAsk questions to evaluate understandingAnswer questionsAssess comprehension
Step 7: Conclusion2 minsSummaryRecapSummarize the lesson and emphasize key pointsListen and ask final questions if neededReinforce key learning points

Classroom Note:

Purification of Water

Clean water is vital for our health. There are different methods to purify water to make it safe for drinking. Some of which includes:

  1. Boiling: Boil water for at least one minute to kill harmful germs.
  2. Filtration: Use a water filter to remove particles and some microorganisms.
  3. Chlorination: Add chlorine tablets to water to kill bacteria and viruses.
  4. Distillation: Heat water to create steam and then condense it back into liquid to remove impurities.
  5. Using UV Light: Use ultraviolet light to destroy bacteria and viruses.

Each of the following method helps ensure the water we drink is safe and clean.

Lesson Evaluation:

To evaluate the learning, the teacher asks pupils to:

  1. List three methods of purifying water.
  2. Explain why it is important to drink clean water.
  3. Describe how to use a water filter.
  4. Discuss in groups the best method of purifying water in different situations.

Note for teachers using my lesson plan:

Hi there, remember that I didn’t make this lesson plan with any particular class or teacher in mind and I tried as much as possible with my experience and expertise to deliver this plan in a standard and effective style utilizing the best strategy and methods. Nevertheless, you are free to customize the lesson content, teaching methods, timing, and pupil activities to suit your teaching style, pupils’ comprehension, curriculum, and resources available to you. Happy teaching!

Categorized in:

Lesson Notes,

Last Update: June 3, 2024