Class: Senior Secondary School 1 (SS1, SS 1, SSS1, SSS 1)
Term: 1st Term
Week: 3
Age: 15 years
Duration: 45 minutes
Subject: Auto Mechanic Work
Curriculum Theme: Auto Mechanic Work
Previous Lesson: Safety Rules and Accident Prevention Techniques.
Topic: SAFETY – Safety Devices and Applications
Subject Matter: safety devices, fire extinguisher, sand bucket, workshop safety equipment uses
Specific Objectives
By the end of the lesson, pupils should be able to:
Cognitive Domain:
- Define safety devices.
- List at least five types of safety devices used in an auto mechanic workshop.
- Explain the application of common safety devices like fire extinguishers and sand buckets.
Affective Domain:
- Appreciate the importance of using safety devices in the workshop.
- Value the role of safety devices in preventing accidents and injuries.
Psychomotor Domain:
- Identify various safety devices correctly when presented with them.
- Describe the correct procedure for using a fire extinguisher.
Social Domain:
- Participate actively in discussions about workshop safety.
- Work cooperatively with peers to identify potential hazards and relevant safety devices.
Reference Materials
The following resources were used in planning this lesson:
- 9 Years Basic Education Curriculum for Senior Secondary Schools (Auto Mechanic Work)
- State Unified Scheme of Work for Senior Secondary Schools (Auto Mechanic Work)
- Akinola, A. S. (2018). *Auto Mechanic Work for Senior Secondary Schools*. University Press PLC.
Instructional Materials
The teacher will teach this lesson with the aid of:
- A fire extinguisher
- A sand bucket
- Charts showing various safety devices and their uses
- A first aid box
- Safety posters
- Pictures of workshop safety equipment
Rationale for the Lesson
This lesson helps pupils understand the importance of safety equipment in an auto mechanic workshop. Knowing how to identify and use these devices can prevent accidents and save lives, ensuring a safer working environment for everyone involved in auto mechanic activities.
Prerequisite/Previous Knowledge
Pupils have basic knowledge of general safety rules and the need for caution when working in a workshop environment.
Lesson Content/Board Summary
SAFETY – Safety Devices and Applications
Definition of Safety Devices
Safety devices are tools, equipment, or measures designed to prevent accidents, injuries, or damage to property in a working environment. They are essential for protecting workers and maintaining a safe workplace.
Importance of Safety Devices in the Workshop
Safety devices are important in an auto mechanic workshop for the following reasons:
- They prevent accidents and injuries to workers.
- They protect workshop equipment and tools from damage.
- They help maintain a healthy and safe working environment.
- They ensure compliance with safety regulations and standards.
- They reduce the risk of fire and other emergencies.
Types of Safety Devices and Their Applications
The following are common types of safety devices found in an auto mechanic workshop and their applications:
- Fire Extinguisher – Used to put out small fires. Different types are available for different classes of fire (e.g., A, B, C, D, K). Pupils should know how to use the PASS method (Pull, Aim, Squeeze, Sweep).
- Sand Bucket – Used to smother small liquid fires (e.g., fuel spills) or to absorb spilled oil and other fluids to prevent slips.
- First Aid Box – Contains essential medical supplies for treating minor injuries like cuts, burns, and bruises immediately.
- Safety Goggles/Face Shields – Protect the eyes and face from flying debris, chemical splashes, and harmful dust during operations like grinding, welding, or working with batteries.
- Safety Gloves – Protect hands from cuts, abrasions, chemicals, heat, and electrical hazards. Different types are used for different tasks (e.g., leather gloves for welding, rubber gloves for chemical handling).
- Safety Boots/Shoes – Protect feet from heavy falling objects, sharp objects, and electrical hazards. They often have steel toes and slip-resistant soles.
- Ear Protectors (Earplugs/Earmuffs) – Reduce exposure to loud noises from machinery, preventing hearing damage.
- Warning Signs and Labels – Communicate potential hazards (e.g., “Wet Floor,” “High Voltage,” “No Smoking”) and instruct on safety procedures.
- Spill Kits – Contain materials like absorbents, gloves, and disposal bags to quickly clean up chemical or oil spills, preventing environmental contamination and slip hazards.
Teaching Methods/Instructional Techniques
Discussion, Lecture, Demonstration, Question and Answer, Visual Aids
Instructional Procedures
Step 1: Introduction
Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher greets the pupils and reviews the previous lesson briefly. The teacher then asks pupils what comes to mind when they hear the word “safety” in a workshop. The teacher introduces the topic: “SAFETY – Safety Devices and Applications.”
Pupils’ Activity: Pupils respond to questions and listen attentively.
Learning Point: Pupils are prepared for the new lesson and connect it to prior knowledge.
Step 2: Explanation of Safety Devices
Time: 10 minutes
Teaching Skill: Explanation/Lecture
Teacher’s Activity: The teacher defines safety devices and explains their general importance in preventing accidents and injuries in an auto mechanic workshop. The teacher writes the definition on the board.
Pupils’ Activity: Pupils listen, take notes, and ask questions for clarification.
Learning Point: Pupils understand what safety devices are and why they are important.
Step 3: Identification and Discussion of Types of Safety Devices
Time: 15 minutes
Teaching Skill: Demonstration/Discussion
Teacher’s Activity: The teacher presents various instructional materials such as a fire extinguisher, sand bucket, first aid box, and charts. The teacher explains each device, its specific application, and demonstrates its use where appropriate (e.g., how to operate a fire extinguisher using the PASS method). The teacher encourages pupils to mention other safety devices they know.
Pupils’ Activity: Pupils observe the demonstrations, identify the safety devices, contribute examples, and ask questions.
Learning Point: Pupils learn about different types of safety devices and their practical applications.
Step 4: Workshop Safety Equipment Uses
Time: 5 minutes
Teaching Skill: Elaboration/Questioning
Teacher’s Activity: The teacher elaborates on the uses of specific workshop safety equipment such as safety goggles, gloves, safety boots, and ear protectors, emphasizing when and why each should be used. The teacher asks pupils to state scenarios where each device would be necessary.
Pupils’ Activity: Pupils listen, respond to questions, and identify specific situations for using each safety device.
Learning Point: Pupils understand the appropriate use of various personal protective equipment in the workshop.
Step 5: Evaluation/Review
Time: 5 minutes
Teaching Skill: Questioning/Assessment
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:
- Define safety devices.
- List three types of safety devices found in an auto mechanic workshop.
- Explain the application of a fire extinguisher.
- State two reasons why safety devices are important in a workshop.
Pupils’ Activity: Pupils answer orally and in writing.
Learning Point: Pupils demonstrate understanding of the lesson.
Step 8: Conclusion
Time: 5 minutes
Teaching Skill: Summarization/Assignment
Teacher’s Activity: The teacher summarizes the key points of the lesson, reiterating the importance of safety devices. The teacher gives pupils an assignment to draw and label five safety devices and write their uses.
Pupils’ Activity: Pupils listen to the summary and copy the assignment.
Learning Point: Pupils reinforce their learning and prepare for further study.
Lesson Keywords
- Safety devices – Equipment or measures designed to prevent accidents and injuries.
- Fire extinguisher – A device used to put out small fires.
- Sand bucket – A container of sand used to smother small fires or absorb spills.
- First aid box – A kit containing medical supplies for treating minor injuries.
- Workshop safety – Practices and equipment used to ensure a safe working environment.
Differentiation
For visual learners, charts and physical demonstrations of safety devices will be emphasized. Kinesthetic learners will benefit from handling the devices and describing their use. Group discussions will allow for peer learning and support for pupils with varying comprehension levels. Pupils requiring additional support will be paired with stronger peers.
Note for teachers using this lesson plan
Teachers should ensure that actual safety devices are available for demonstration. Practical demonstration of the fire extinguisher (e.g., using water if a real fire cannot be safely created) or showing a video of its use is highly recommended. Emphasize the real-world consequences of neglecting safety in a workshop.

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