First Term Solar PV Installation and Maintenance revision for JSS 1

Class: JSS 1
Term: First Term
Week: 11
Age: 12 years
Duration: 45 minutes
Subject: Solar PV Installation and Maintenance
Curriculum Theme: All themes covered in the term
Focal competence: Integration and consolidation of the term’s
Skills:

• Curriculum skills covered in Weeks 1- 10

Previous Lesson: Observing safety precautions Wearing PPE
Topic: Revision and Consolidation
Subject Matter: core term topics, taught skills, common misconceptions, revision exercises

Specific Objectives

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

Cognitive Domain

• Recall the main concepts taught during the term.

Psychomotor Domain

• Apply the term’s skills in oral, written, or practical exercises.

Reference Materials

The following resources were used in planning this lesson:

• 2025 Revised 9 Years Basic Education Curriculum
• Relevant State Unified Scheme of Work
• Approved Solar PV Installation and Maintenance textbook for JSS 1
• The HeadTeacher Scheme of work

Instructional Materials

The teacher will teach this lesson with the aid of:

• Class notes and approved texts from the term
• Prepared revision exercises (oral, written, practical)
• Relevant practical materials (e.g., simple solar panel, battery, LED bulb for demonstration)

Rationale for the Lesson

This lesson is essential for reinforcing the knowledge and practical skills acquired throughout the first term. It helps students to integrate various concepts, identify and correct misunderstandings, and build confidence in applying their learning. Effective revision ensures a strong foundation for future topics in Solar PV Installation and Maintenance.

Prerequisite/Previous Knowledge

Students should have covered all the introductory topics and basic practical skills related to Solar PV Installation and Maintenance during the first term.

Lesson Content/Board Summary

Revision and Consolidation of First Term Topics in Solar PV Installation and Maintenance

Introduction to Solar PV Systems

Solar PV (Photovoltaic) systems convert sunlight directly into electricity. They are a clean, renewable, and sustainable source of energy, reducing reliance on traditional power sources.

Key Components of a Simple Solar PV System

A basic solar PV system typically consists of the following main parts:

1. Solar Panels: These are made of photovoltaic cells that capture sunlight and convert it into direct current (DC) electricity.
2. Charge Controller: This device regulates the flow of electricity from the solar panels to the battery, preventing overcharging and deep discharging, which can damage the battery.
3. Battery: The battery stores the DC electricity generated by the solar panels. This stored energy can then be used when there is no sunlight, such as at night or on cloudy days.
4. Inverter: An inverter converts the DC electricity from the battery into alternating current (AC) electricity. Most household appliances and electrical devices operate on AC power.
5. Load: This refers to the electrical appliances or devices that consume the electricity produced by the solar PV system (e.g., light bulbs, fans, radios).

Basic Safety Precautions in Solar PV Installation

Safety is paramount when working with electrical systems and tools. Key safety rules include:

1. Always wear appropriate Personal Protective Equipment (PPE), such as safety gloves and safety glasses, to protect against hazards.
2. Ensure all tools are in good working condition and are used correctly for their intended purpose.
3. Never work on live electrical circuits without proper training, supervision, and ensuring the power is disconnected.
4. Be cautious when handling heavy components like solar panels and batteries to prevent injuries.
5. Always follow the manufacturer’s instructions and guidelines for installing and maintaining all solar PV equipment.

Simple Applications of Solar Energy

Solar energy has many practical applications, especially in areas with abundant sunlight:

1. Home and Street Lighting: Solar-powered lights are used for illuminating homes, gardens, and public streets.
2. Charging Devices: Small solar chargers can power mobile phones, power banks, and other portable electronic devices.
3. Powering Small Appliances: Solar energy can operate small household appliances like radios, fans, and small televisions.
4. Remote Area Electrification: Solar PV systems provide electricity to rural and remote communities that are not connected to the national grid.

Teaching Methods/Instructional Techniques

Discussion, Question and Answer, Explanation, Demonstration, Guided Practice, Group Work, Practical Activity

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Activating Prior Knowledge

Teacher’s Activity: The teacher greets the students and explains that today’s lesson is a revision of all the topics covered in the first term for Solar PV Installation and Maintenance. The teacher asks students to briefly mention one thing they remember learning about solar PV systems.

Pupils’ Activity: Students respond to the teacher’s questions and share their initial thoughts on what they remember.

Learning Point: Term topics recall

Step 2: Review of Key Concepts

Time: 10 minutes

Teaching Skill: Explanation/Recap

Teacher’s Activity: The teacher leads a quick review of the main concepts from the term, such as what solar PV is, its key components (panel, battery, charge controller, inverter, load), basic safety rules, and simple applications. The teacher uses the board summary as a guide and asks targeted questions.

Pupils’ Activity: Students listen attentively, answer questions, and participate in the recap of concepts.

Learning Point: Core concepts reinforcement

Step 3: Practical Application/Problem Solving

Time: 10 minutes

Teaching Skill: Demonstration/Guided Application

Teacher’s Activity: The teacher presents a few revision exercises, which could be oral questions, short written tasks, or a simple practical demonstration (e.g., connecting a small solar panel to charge a phone or light an LED). The teacher guides students through solving a sample problem or performing a task.

Pupils’ Activity: Students observe the demonstration, ask questions, and attempt to follow the steps in solving the problem or performing the task.

Learning Point: Skills application practice

Step 4: Addressing Misconceptions

Time: 5 minutes

Teaching Skill: Clarification/Correction

Teacher’s Activity: Based on observations from previous lessons or common errors in the current activity, the teacher identifies and clarifies any recurring misconceptions or difficult concepts. The teacher provides simpler explanations or alternative examples.

Pupils’ Activity: Students listen to the clarifications, ask further questions if needed, and correct their understanding.

Learning Point: Misconceptions clarification

Step 5: Guided Practice

Time: 5 minutes

Teaching Skill: Facilitation/Monitoring

Teacher’s Activity: The teacher distributes prepared revision exercises (oral, written, or practical) to students, either individually or in small groups. The teacher moves around the classroom, providing support and guidance as students work.

Pupils’ Activity: Students work on the revision exercises, applying the concepts and skills learned throughout the term.

Learning Point: Independent practice

Step 6: Peer Review/Discussion

Time: 5 minutes

Teaching Skill: Collaborative Learning

Teacher’s Activity: The teacher encourages students to discuss their answers or approaches to the revision exercises with their peers. The teacher facilitates a brief class discussion to share solutions and different perspectives.

Pupils’ Activity: Students discuss their work with classmates, compare answers, and participate in the class discussion.

Learning Point: Collaborative problem-solving

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

1. Mention two key components of a simple solar PV system.
2. State one important safety rule when working with solar PV.
3. Give one application of solar energy in our community.
4. How does a charge controller help a solar battery?

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Term concepts assessed

Step 8: Conclusion

Time: 2 minutes

Teaching Skill: Consolidation

Teacher’s Activity: The teacher briefly summarizes the importance of understanding solar PV concepts and skills, encourages students to continue revising, and thanks them for their participation.

Pupils’ Activity: Students listen and prepare for the next lesson.

Learning Point: Lesson consolidation

Lesson Keywords

• Solar PV – Converts sunlight to electricity
• Solar Panel – Captures sunlight
• Battery – Stores energy
• Charge Controller – Regulates charging
• Inverter – Converts DC to AC
• Safety – Preventing harm
• Renewable – Replenishes naturally

Differentiation

For students who are struggling, the teacher can provide simplified revision questions or pair them with more capable students for peer support. Faster learners can be challenged with more complex problem-solving scenarios or asked to explain concepts in greater detail to the class.

Suggested Lesson Videos

For further understanding, search on YouTube for: “JSS 1 Solar PV basics revision” or “Simple solar system components explained”

Teacher Guide for Using This Lesson Plan

Before the lesson, review the first term’s curriculum to identify key topics and common areas where students might have struggled. Prepare a variety of revision exercises, including oral questions, short written tasks, and if possible, a simple hands-on demonstration with basic solar components. During the lesson, actively engage students through questioning and discussion to gauge their understanding. Pay close attention to individual responses to identify and address any lingering misconceptions. Encourage peer learning and provide constructive feedback. Since this is a revision lesson, there is no separate note-taking stage; the focus is on active recall and application of knowledge. Ensure a safe environment, especially if practical demonstrations are involved.