Note for teachers using this lesson plan
This lesson introduces JSS 1 students to the meaning of a mobile phone and the essential safety rules for its repair. Prepare to explain key concepts clearly and demonstrate the use of Personal Protective Equipment (PPE) to make the learning practical. Ensure students understand why safety is paramount in handling electronic devices and can identify appropriate PPE by the end of the lesson.
Class: JSS 1
Term: First Term
Week: 1
Age: 12 years
Duration: 45 minutes
Subject: Computer Hardware and GSM Repairs
Curriculum Theme: Introduction to Mobile Phone Repair
Focal competence: Observe safety rules for mobile phone repairs
Key competencies/values: Communication; Critical Thinking; ICT and Digital Competencies; Responsibility
Skills:
- Usage of various protective equipment for mobile phone repairs
Previous Lesson:
Topic: Safety Rules In Mobile Phone Repairs
Subject Matter: Meaning of mobile phone
Specific Objectives
By the end of the lesson, pupils/students should be able to:
Cognitive Domain
- Define a mobile phone.
- Identify types of safety precautions in mobile-phone repairs.
Affective Domain
- Appreciate the importance of safety in handling electronic devices.
- Demonstrate responsibility in observing safety rules during repairs.
Psychomotor Domain
- Describe appropriate personal protective equipment (PPE) for mobile-phone repairs.
- Show how to use basic PPE correctly.
Reference Materials
The following resources were used in planning this lesson:
- 2025 Revised 9 Years Basic Education Curriculum
- Relevant State Unified Scheme of Work
- Basic Computer Hardware and GSM Repairs for JSS 1
- The HeadTeacher Scheme of work
Instructional Materials
The teacher will teach this lesson with the aid of:
- A functional mobile phone
- Charts showing different types of PPE
- Hand Gloves
- Antistatic jacket/Apron
- Antistatic mat
- Safety Goggles
- Respirators/Nose Guard
- Fire Extinguisher
- Smoke absorbers/detector
- Whiteboard and markers
Rationale for the Lesson
This lesson is important as it lays the foundation for understanding mobile phone technology and the critical need for safety during repairs. It equips students with basic knowledge of mobile phones and the necessary precautions to prevent accidents and injuries, fostering a responsible approach to technical work.
Prerequisite/Previous Knowledge
Students have a basic understanding of common electronic gadgets and their everyday uses.
Lesson Content/Board Summary
Safety Rules In Mobile Phone Repairs
Meaning of Mobile Phone
A mobile phone is a portable electronic device used for communication, especially for making and receiving calls over a cellular network. It can also perform various other functions such as sending messages, browsing the internet, taking pictures, and playing games.
Types of Safety Precautions in Mobile Phone Repairs
When repairing mobile phones, it is important to observe various safety precautions to prevent injury to oneself and damage to the device. These include:
- Electrical Safety: Always disconnect the power source before starting any repair. Avoid working with wet hands or in damp environments.
- Chemical Safety: Be careful when using cleaning agents or solvents. Ensure proper ventilation and avoid direct contact with skin or eyes.
- Fire Safety: Keep a fire extinguisher nearby, especially when working with batteries or soldering equipment. Avoid smoking in the repair area.
- Tool Safety: Use the correct tools for each task. Handle sharp tools with care and store them properly after use.
- Battery Safety: Mobile phone batteries can be volatile. Handle them carefully, avoid puncturing or overheating them, and dispose of damaged batteries safely.
- General Workplace Hygiene: Keep the repair area clean and organized to prevent accidents.
Appropriate Personal Protective Equipment (PPE) for Mobile Phone Repairs
Personal Protective Equipment (PPE) are items worn to minimize exposure to hazards that cause serious workplace injuries and illnesses. For mobile phone repairs, essential PPE includes:
- Hand Gloves: Protect hands from cuts, chemicals, and static electricity.
- Antistatic Jacket/Apron: Prevents static discharge from damaging sensitive electronic components.
- Antistatic Mat: Provides a safe, static-free work surface for handling delicate phone parts.
- Safety Goggles: Protect eyes from flying debris, chemical splashes, or solder fumes.
- Respirators/Nose Guard: Filters out harmful fumes and dust, especially when soldering or using solvents.
- Smoke Absorbers/Detectors: Used to extract and detect harmful fumes generated during soldering or heating components.
- Fire Extinguisher: Essential for quickly putting out small fires that may occur during repairs.
Teaching Methods/Instructional Techniques
Discussion, Demonstration, Guided Practice, Question and Answer, Explanation, Observation
Instructional Procedures
Step 1: Introduction
Time: 5 minutes
Teaching Skill: Questioning/Engagement
Teacher’s Activity: The teacher greets the students and asks them to mention some electronic devices they use daily. The teacher then guides the discussion towards mobile phones.
Pupils’ Activity: Students mention various electronic devices and participate in the discussion about mobile phones.
Learning Point: Electronic device recognition
Step 2: Meaning of Mobile Phone
Time: 7 minutes
Teaching Skill: Explanation/Definition
Teacher’s Activity: The teacher explains what a mobile phone is, its primary functions, and shows a physical example of a mobile phone.
Pupils’ Activity: Students listen attentively and observe the mobile phone shown by the teacher.
Learning Point: Mobile phone definition
Step 3: Importance of Safety in Repairs
Time: 5 minutes
Teaching Skill: Discussion/Rationale
Teacher’s Activity: The teacher initiates a discussion on why it is important to be careful when handling or repairing electronic devices, leading to the concept of safety rules.
Pupils’ Activity: Students share their ideas on why safety is important and contribute to the discussion.
Learning Point: Importance of safety
Step 4: Types of Safety Precautions
Time: 8 minutes
Teaching Skill: Explanation/Listing
Teacher’s Activity: The teacher explains and lists various types of safety precautions to be observed during mobile phone repairs, such as electrical, chemical, and fire safety.
Pupils’ Activity: Students listen and identify different safety precautions.
Learning Point: General safety precautions
Step 5: Introduction to Personal Protective Equipment (PPE)
Time: 5 minutes
Teaching Skill: Introduction/Definition
Teacher’s Activity: The teacher introduces the concept of Personal Protective Equipment (PPE) and explains its purpose in ensuring safety during repairs.
Pupils’ Activity: Students listen and understand the role of PPE.
Learning Point: Purpose of PPE
Step 6: Demonstration and Description of PPE
Time: 6 minutes
Teaching Skill: Demonstration/Description
Teacher’s Activity: The teacher demonstrates and describes each item of PPE (e.g., hand gloves, safety goggles, antistatic mat) and explains its specific use in mobile phone repairs.
Pupils’ Activity: Students observe the demonstration and describe the use of each PPE item.
Learning Point: Specific PPE identification
Step 7: Evaluation/Review
Time: 5 minutes
Teaching Skill: Questioning/Assessment
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:
- What is a mobile phone?
- Mention two types of safety precautions in mobile phone repairs.
- Name three items of Personal Protective Equipment (PPE) used in mobile phone repairs and state their uses.
Pupils’ Activity: Pupils answer orally and in writing.
Learning Point: Mobile phone and safety knowledge
Step 8: Note-Taking
Time: 4 minutes
Teaching Skill: Guided Writing
Teacher’s Activity: The teacher guides pupils/students to copy the essential Board Summary notes on the meaning of mobile phone, safety precautions, and PPE into their notebooks.
Pupils’ Activity: Pupils/students copy the notes carefully into their notebooks.
Learning Point: Recording lesson notes
Step 9: Conclusion
Time: 2 minutes
Teaching Skill: Reinforcement
Teacher’s Activity: The teacher briefly summarizes the lesson, emphasizing the importance of understanding mobile phones and strictly adhering to safety rules when performing repairs. The teacher encourages students to always prioritize safety.
Pupils’ Activity: Students listen and acknowledge the importance of the lesson.
Learning Point: Lesson summary
Continuous Assessment/Further Study
Type: Homework
Instruction: Answer the following questions in your notebook:
- In your own words, explain what a mobile phone is.
- List five safety precautions you would observe if you were to repair a mobile phone.
- Draw and label any two items of Personal Protective Equipment (PPE) used in mobile phone repairs.
Lesson Keywords
- Mobile phone – A portable electronic device for communication.
- Safety – Measures taken to prevent accidents or harm.
- PPE – Personal Protective Equipment, items worn to minimize exposure to hazards.
- Repairs – The process of fixing a damaged item.
- Precautions – Actions taken in advance to prevent something undesirable from happening.
Differentiation
For learners who may struggle, the teacher will provide simplified explanations and use more visual aids like pictures of PPE. Faster learners can be challenged to research additional safety rules or different types of mobile phone repair tools.
Suggested Lesson Videos
For further understanding, students can search on YouTube for:
meaning of mobile phone for jss1
safety rules in mobile phone repair
Teacher Guide for Using This Lesson Plan
Before the lesson, ensure all instructional materials, especially the PPE items, are readily available for demonstration. Begin by engaging students with familiar electronic devices to transition smoothly into the topic of mobile phones. Emphasize the practical application of safety rules and the importance of PPE. During the demonstration of PPE, allow students to identify and describe the items. Encourage group discussion on safety rules to foster collaborative learning. Ensure students copy the Board Summary accurately during the note-taking phase. For weaker learners, provide extra guidance during the identification and description of PPE. For faster learners, encourage them to think critically about the consequences of not observing safety rules. Always check for understanding through questioning throughout the lesson and reinforce the main learning points.

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