Lesson Note on Uses of Water and Harmful Effects for Primary 3

This lesson teaches Primary 3 students about the importance of water, its uses, and the dangers of contaminated water. It covers common uses, water-borne diseases, and prevention methods

Lesson Notes

17 Sep

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Class: Primary Three
Term: First Term
Subject: Basic Science and Technology
Curriculum Theme: Basic Science
Previous Lesson: Water Quality, Contaminated Water, and Potable Water
Topic: Water
Content/Learning Area: What is Water?, Uses of Water, Harmful Effects of Water, Preventing Water-borne Diseases
Time Allocation: 40 minutes

Performance Objectives

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

Cognitive Domain:

List four common uses of water.
List three harmful effects of water.
Explain the importance of clean water.
- Psychomotor Domain:

Demonstrate proper handwashing techniques.
- Affective Domain:

Appreciate the importance of water conservation.
Show concern for water-borne diseases.
- Social Domain:

Reference materials

9 – Years Basic Education Curriculum
Abuja Educational Resource Center Scheme of work
NAPPS National Unified Scheme of Work
Online data
Relevant Textbooks

Instructional Materials

To deliver this lesson,the teacher will use the following materials:

Whiteboard or chart paper
Markers or crayons
Pictures or illustrations of water uses and water-borne diseases

Rationale for the Lesson

Understanding the importance of water and its potential dangers is crucial for pupils’ health and well-being. This lesson provides a foundation for future science lessons and promotes responsible water usage.

Prerequisite/Previous Knowledge

The teacher will start by asking pupils what they know about water and its uses, encouraging them to share their experiences. A brief discussion will follow, setting the stage for the lesson.

Lesson Content

What is Water?

Water is a clear liquid essential for all living things. It is made of two hydrogen atoms and one oxygen atom (H₂O).

Uses of Water

Water is essential for various activities in our daily lives. These include:

Drinking: We drink water to stay hydrated.
Cooking: Water is used in cooking many foods.
Bathing: We use water to clean ourselves.
Washing: We use water to wash clothes and dishes.
Irrigation: Farmers use water to help plants grow.Plants need water to survive.
Generating Electricity: Some power plants use water to make electricity.
Cleaning: Water is used for cleaning homes, streets, and vehicles.
Recreation: Water is used in swimming pools and water parks for recreational activities.

Harmful Effects of Water

Unclean water can make us sick.

Water-borne Diseases

Water-borne diseases are illnesses caused by drinking or using contaminated water. These include:

Cholera: A serious illness causing diarrhea.
Typhoid: A bacterial infection affecting the intestines.
Dysentery: An intestinal infection causing diarrhea and stomach cramps.
Hepatitis A: A viral infection affecting the liver.
Polio: A viral disease that can cause paralysis.
Bilharzia (Schistosomiasis): A disease caused by parasitic worms.

Preventing Water-borne Diseases

Preventing water-borne diseases involves measures to ensure water is safe for use. These include:

Boiling Water: Boiling water kills many harmful germs.
Proper Sanitation: Good hygiene, like washing hands, helps prevent disease.
Treating Water: Using water filters or tablets cleans water.
Using Clean Containers: Storing water in clean, covered containers prevents contamination.
Regular Water Testing: Testing water sources regularly helps identify and address contamination issues.

Teaching Methods

To deliver this lesson,‌ ⁤the teacher will⁤ adopt⁤ the following methods: discussion, Question and answer, Group work, Visual aids

Instructional Procedures

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

Step 1: Introduction

Time: 5 minutes
Teaching skill: Set Induction
teacher’s Activity: Asks pupils about their knowledge of water and its uses.
Pupils’ activity: Share their ideas and experiences with water.

Step 2: Explanation of Key Concepts

Time: 10 minutes
Teaching Skill: Explaining
Teacher’s Activity: Explains what water is,its chemical composition,and its importance.
Pupils’ Activity: Listen attentively and ask clarifying questions.

Step 3: Presentation/Guided Practice

Time: 10 minutes
Teaching Skill: Demonstrating
teacher’s Activity: Shows pictures of water uses and explains each one.
Pupils’ Activity: Observe and participate in discussions.

Step 4: Self-reliant Practice

Time: 5 minutes
Teaching Skill: Monitoring
Teacher’s Activity: Guides pupils in completing a worksheet with questions about water uses and harmful effects.
Pupils’ Activity: Complete the worksheet individually.

step 5: note-Taking

Time: 5 minutes
Teaching Skill: Note-taking
Teacher’s Activity: Summarizes key points on the board.
Pupils’ Activity: Copy the summary into their notebooks.

Step 6: Evaluation/Review

Time: 5 minutes
Teaching Skill: Questioning
Teacher’s Activity: Asks review questions to assess understanding.
Pupils’ Activity: Answer the questions.

Step 7: Conclusion

Time: 2 minutes
teaching Skill: Summarizing
Teacher’s Activity: Summarizes the lesson and assigns homework.
Pupils’ Activity: Listen and note the homework.

Lesson keywords

water – A clear,odorless,tasteless liquid essential for life.
Hydration – The process of providing the body with enough water.
Contamination – The process of making something impure or unsuitable by adding a polluting or poisonous substance.
Sanitation – Measures designed to protect public health, especially the provision of clean drinking water and adequate sewage disposal.
Water-borne diseases – Illnesses caused by microorganisms in contaminated water.

Lesson Evaluation

To evaluate the learning, the teacher asks pupils to:

Name three ways we use water.
What are two diseases caused by unclean water?
How can we protect ourselves from water-borne diseases?
Why is clean water crucial?
Why is it important to drink clean water?

Assignment/Homework

List five ways you use water at home.

Research and write about one water-borne disease and how to prevent it.
Draw a poster showing the importance of clean water.

Differentiation

For slower learners: Provide one-on-one assistance and simplified explanations.
For advanced learners: Encourage further research on water conservation and water purification methods.
For visual/auditory/kinesthetic learners: Use visual aids, discussions, and hands-on activities to cater to different learning styles.

Note for Teachers

Ensure to use real-life examples and visual aids to make the lesson engaging and relatable for the pupils. Emphasize the importance of water conservation and hygiene practices.

Last Update: May 5, 2025

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