Class: Primary 5
Term: 1st Term
Week: 2
Age: 10 years
Period:
Duration: 40 minutes
Date:
Subject: Basic Science And Technology
Curriculum Theme: Basic Science
Topic: ENVIRONMENTAL CHANGES
Content: Effects and control of erosion
Specific Objectives:
By the end of the lesson, pupils should be able to:
- State 3 effects of erosion.
- List 3 ways for controlling erosion.
Reference Materials:
- 9 – Years Basic Education Curriculum
- Abuja Educational Resource Centre Scheme of work
- NAPPS National Unified Scheme of Work
- Course Book
- Online Information
- Textbooks (List your relevant textbook here)
Instructional Materials:
- Charts and photographs of erosion effects
- Whiteboard and markers
- Chalk and chalkboard
- Projector and screen (if available)
- Pen and paper for note-taking
- Models or props for demonstrating erosion control measures
Rationale for the Lesson:
Understanding the effects of erosion and how to control it is essential for preserving the environment, ensuring soil fertility, and preventing disasters like landslides and floods. It’s also important for sustainable agriculture.
Prerequisite/Previous Knowledge:
Students are expected to have a basic understanding of erosion, as covered in the previous lesson.
INSTRUCTIONAL PROCEDURES:
Content Development: Effects and Control of Erosion
| Content | Time | Teaching Method | Teacher’s Points/Activities | Pupils’ Activities |
|---|---|---|---|---|
| Introduction | 5 mins | Discussion | – Discuss the previous lesson about erosion. | Participate in the discussion. |
| – Introduce the new topic: “Effects and control of erosion.” | ||||
| Effects of Erosion | 10 mins | Lecture | – Explain the effects of erosion. | Listen and take notes. |
| Discussion | – Encourage students to share their thoughts and observations. | Discuss the effects. | ||
| – Show charts and photographs of erosion effects. | Observe and discuss images. | |||
| Control of Erosion | 10 mins | Lecture | – Discuss control measures, including afforestation, terracing, and use of retaining walls. | Take notes on control measures. |
| Discussion | – Encourage students to ask questions and participate in discussions. | Discuss control measures. | ||
| Note taking | 5 mins | Note-Taking | – Have students take notes on the effects and control measures. | Take notes on effects and control. |
| Evaluation | 5 mins | Question and Answer | – Ask pupils questions to assess their understanding. | Respond to questions. |
| Conclusion | 5 mins | Recap | – Summarize the key points about erosion effects and control measures. | Participate in the recap. |
Note to Pupils:
Effects of Erosion:
- Soil infertility: Erosion can wash away the fertile topsoil, making it difficult for plants to grow.
- Landslides: Erosion can lead to the collapse of slopes, causing landslides in hilly areas.
- Floods: Erosion can clog rivers and streams, increasing the risk of flooding during heavy rains.
- Loss of fertile topsoil: Erosion removes the nutrient-rich topsoil essential for agriculture.
- Damage to property and infrastructure: Erosion can harm buildings, roads, and other structures.
Control of Erosion:
- Afforestation: Planting trees and grass helps hold the soil together and prevent erosion.
- Terracing: Creating steps on slopes reduces the speed of water runoff, preventing soil loss.
- Retaining walls: Building walls can help hold back soil and prevent erosion.
- Using cover crops: Planting crops like clover or rye can protect the soil from erosion.
- Proper land management: Techniques like crop rotation and contour farming reduce erosion risks.
Evaluation:
- What are the effects of erosion?
- List two control measures for erosion.
- How does afforestation help control erosion?
Note to Teachers:
Customize the teaching methods and activities based on your curriculum, resources, and students’ needs. Ensure active student participation and engagement throughout the lesson.
