
Lesson Note for Week Eight
Subject: Basic Science
Class: Primary Four
Week: Eight
Topic: Water
Subtopic: Water: Sources and Uses
Instructional Objectives
At the end of the lesson, pupils should be able to:
- Identify the various sources of water.
- Explain the different uses of water in daily life.
- Describe the importance of conserving water.
Entry Behaviour
Pupils should already know that water is essential for life and may have basic knowledge about where they find water.
Instructional Materials
- Chart showing different sources of water (e.g., rivers, lakes, wells)
- Pictures illustrating various uses of water (e.g., drinking, cooking, washing)
- A container of water for demonstration purposes
Reference Materials
Ijiyemi, C. (2016). Foundations of Science & Technology for Basic Education Book 4. Metropolitan Publishers, Lagos.
Oyinlola, M., Rahaman, B., & Ezeume, I. (2015). Basic Science For Primary School 4 Textbook (BEC Edition). Spectrum Book Limited, Lagos.
Content
Sources of Water
Water is found in many places on Earth. Some common sources of water include:
- Rivers: Flowing bodies of fresh water that can be used for drinking, irrigation, and transportation.
- Lakes: Large bodies of standing water that provide recreational activities and habitats for wildlife.
- Rain: Water that falls from the sky and replenishes rivers, lakes, and underground sources.
- Groundwater: Water found beneath the Earth’s surface, accessible through wells and springs.
- Desalination: The process of removing salt from seawater to make it drinkable.
Uses of Water
Water is essential for many daily activities, including:
- Drinking: Essential for human survival and health.
- Cooking: Used to prepare food and beverages.
- Cleaning: Important for personal hygiene, washing clothes, and cleaning homes.
- Agriculture: Irrigation is necessary for growing crops.
- Industry: Used in manufacturing processes and for cooling machinery.
Importance of Conserving Water
Water is a limited resource, and it is important to use it wisely. Reasons for conserving water include:
- Ensuring there is enough water for everyone.
- Protecting the environment by preventing water pollution.
- Reducing the cost of water treatment and supply.
Step 1: Introduction
Lesson Presentation (Step-by-Step Procedure)
Others removed.
