Meaning of hand tools for JSS 1

Class: JSS 1
Term: First Term
Week: 8
Age: 12 years
Duration: 45 minutes
Subject: Computer Hardware and GSM Repairs
Curriculum Theme: Introduction to mobile Phone Repair
Focal competence: Identify common hardware tools when carrying out mobile phone repairs
Key competencies/values: Collaboration; Problem solving; Responsibility
Skills:

• Sketch and label mobile phone tools
• Manipulate different tools used in repairing mobile phone

Previous Lesson: Components of mobile phone. Software component of mobile phone
Topic: Tools Used For Mobile Phone Repairs
Subject Matter: Meaning of hand tools

Specific Objectives

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

Cognitive Domain

• Define hand tools.
• Identify common hand tools used for mobile-phone repairs.
• State functions of selected repair hand tools.

Affective Domain

• Demonstrate responsibility in handling tools.
• Collaborate effectively in group activities to identify tools.

Psychomotor Domain

• Sketch and label basic mobile phone repair tools.
• Manipulate different hand tools used in repairing mobile phones.

Social Domain

• Participate actively in group discussions about tool usage.

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:

• Mobile phones (for demonstration of repair context)
• Microscope/magnifying lens
• Solder iron
• Table lamp
• Soldering Station
• PCB holder/PCB Stand
• Precision screwdriver set
• Multimeter/battery tester
• Charts showing various hand tools
• Pictures or diagrams of hand tools

Rationale for the Lesson

This lesson is important because it introduces students to the fundamental tools required for mobile phone repairs, which is a practical skill. Understanding these tools and their uses is essential for safely and effectively disassembling, repairing, and reassembling mobile devices. It lays the groundwork for more advanced practical lessons in computer hardware and GSM repairs.

Prerequisite/Previous Knowledge

Students should have a basic understanding of what a mobile phone is and its general components.

Lesson Content/Board Summary

Tools Used For Mobile Phone Repairs

Meaning of Hand Tools

Hand tools are devices that are operated manually (by hand) rather than by an electric motor or other power source. In mobile phone repair, these tools are essential for disassembling, assembling, and performing various tasks on the delicate components of a phone.

Common Hand Tools Used for Mobile Phone Repairs and Their Functions

Some common hand tools used in mobile phone repairs include:

1. Precision Screwdriver Set: These are small screwdrivers with various tips (Phillips, flat-head, Torx, Pentalobe) used to remove and install tiny screws found in mobile phones. They are crucial for opening phone casings without damaging the screws or housing.
2. Plastic Pry Tools (Spudgers): Made of soft plastic, these tools are used to carefully pry open phone casings, separate components, and disconnect fragile ribbon cables without scratching or damaging the device.
3. Tweezers: Fine-tipped tweezers are used to handle small components like screws, flex cables, and connectors. They allow for precise manipulation of tiny parts that are difficult to pick up with fingers.
4. Suction Cup: Often used to lift the screen assembly of a phone, especially those with glued displays. It creates a vacuum to gently pull the screen away from the phone body.
5. Anti-static Wrist Strap: This is a safety device worn on the wrist and connected to a ground point. It prevents electrostatic discharge (ESD) from the body, which can damage sensitive electronic components inside the phone.
6. Magnifying Lens/Microscope: Used to magnify small components and circuit boards, making it easier to inspect for damage, solder small parts, or read tiny markings.
7. Solder Iron: An electrical tool used to melt solder, allowing electronic components to be joined or removed from a printed circuit board (PCB). It is essential for repairing connections or replacing faulty components.
8. Soldering Station: Provides a controlled temperature for the soldering iron, often including a stand and sponge for cleaning the iron tip.
9. PCB Holder/Stand: A device used to securely hold the phone’s Printed Circuit Board (PCB) in place while working on it, preventing movement and making repair work easier and safer.
10. Multimeter/Battery Tester: An electronic measuring instrument that combines several measurement functions in one unit. For mobile phones, it is used to test battery voltage, check continuity, and diagnose electrical issues in circuits.
11. Brush and Cleaning Solution: Used to clean dust, debris, or corrosion from phone components and circuit boards.

Teaching Methods/Instructional Techniques

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

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Engaging/Questioning

Teacher’s Activity: The teacher greets the students and asks them if they have ever seen someone repair a phone or what tools they think are used for such repairs.

Pupils’ Activity: Students respond to the questions, sharing their ideas and experiences.

Learning Point: Activating prior knowledge

Step 2: Meaning of Hand Tools

Time: 7 minutes

Teaching Skill: Explanation/Definition

Teacher’s Activity: The teacher explains what hand tools are, emphasizing that they are manually operated and crucial for delicate tasks like mobile phone repairs. The teacher writes the definition on the board.

Pupils’ Activity: Students listen attentively and ask questions for clarity.

Learning Point: Definition of hand tools

Step 3: Identification of Hand Tools (Group Activity 1)

Time: 8 minutes

Teaching Skill: Observation/Facilitation

Teacher’s Activity: The teacher divides students into groups and provides each group with a set of actual mobile phone repair hand tools or charts showing them. The teacher instructs them to identify and list the tools they recognize.

Pupils’ Activity: Students work in groups to identify and list the tools provided or shown on charts.

Learning Point: Tool identification practice

Step 4: Discussion on Tool Uses (Group Activity 2)

Time: 8 minutes

Teaching Skill: Discussion/Guidance

Teacher’s Activity: The teacher asks each group to discuss the possible uses or functions of the different hand tools they identified. The teacher moves around, guiding discussions and providing hints.

Pupils’ Activity: Groups discuss the functions of the tools and share their ideas.

Learning Point: Discussing tool functions

Step 5: Teacher-led Explanation of Tools and Functions

Time: 8 minutes

Teaching Skill: Demonstration/Explanation

Teacher’s Activity: The teacher demonstrates each tool, naming it and explaining its specific function in mobile phone repair, drawing on the students’ group discussions. The teacher corrects misconceptions and provides detailed explanations.

Pupils’ Activity: Students observe the demonstration, listen to explanations, and ask clarifying questions.

Learning Point: Specific tool functions

Step 6: Practical Manipulation and Sketching

Time: 5 minutes

Teaching Skill: Practical Guidance

Teacher’s Activity: The teacher allows students (under strict supervision) to briefly handle some of the safer tools like screwdrivers and pry tools. The teacher also encourages them to make quick sketches of one or two tools in their notebooks.

Pupils’ Activity: Students carefully manipulate tools and attempt to sketch them.

Learning Point: Tool manipulation and sketching

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. What are hand tools?
2. Mention two common hand tools used for mobile phone repairs.
3. State one function of a precision screwdriver.
4. Why is an anti-static wrist strap important?

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Assessment of understanding

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 hand tools and their specific examples/functions into their notebooks.

Pupils’ Activity: Pupils/students copy the notes carefully into their notebooks.

Learning Point: Recording lesson content

Step 9: Conclusion

Time: 1 minute

Teaching Skill: Reinforcement

Teacher’s Activity: The teacher briefly summarizes the importance of understanding and correctly using hand tools for mobile phone repairs, reminding students that proper tool usage is key to successful and safe repairs.

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

Learning Point: Lesson consolidation

Continuous Assessment/Further Study

Type: Homework

Instruction: Research and write down five additional hand tools used in mobile phone repair that were not discussed in class, and briefly state their functions.

1. Research five additional hand tools.
2. Write down their names.
3. State one function for each tool.

Lesson Keywords

• Hand tools – Manually operated devices for repair.
• Precision screwdriver – Used for tiny screws.
• Pry tools – For opening casings.
• Tweezers – For handling small components.
• Solder iron – For melting solder.
• Multimeter – For electrical testing.

Differentiation

For struggling learners, provide simplified charts with fewer tools and clearer labels. Offer more direct guidance during group activities. For advanced learners, challenge them to research specialized tools or explain the principles behind certain tools (e.g., how a multimeter works).

Suggested Lesson Videos

Search on YouTube for: basic mobile phone repair tools JSS1

Teacher Guide for Using This Lesson Plan

Before the lesson, gather a variety of actual mobile phone repair hand tools or prepare clear charts/pictures of them. Ensure the tools are clean and safe for demonstration. Begin by engaging students with questions about phone repairs to activate their interest. Clearly define hand tools and then transition into the group activity for identification and discussion. During the group work, circulate to offer support and correct any misunderstandings. Follow up with a comprehensive teacher-led explanation and demonstration of each tool and its function, using the actual tools if available. Allow students to briefly manipulate safer tools to develop practical skills. Emphasize the importance of safe handling and the anti-static wrist strap. Students should copy the Board Summary after the main teaching and evaluation steps. Encourage questions throughout the lesson to check understanding and address misconceptions immediately. Provide extra support to students who struggle with tool identification by pairing them with stronger peers or giving them simpler tasks.