Class: Senior Secondary School 1 (SS1 / SSS 1)
Term: Second Term
Week: 9
Age: 15 years
Duration: 45 minutes
Subject: Machine Wood Work
Curriculum Theme: Technology
Previous Lesson: Safety Equipments And Devices: Operation And Demonstration.
Topic: Safety equipments and devices in the wood machine shop
Subject Matter: Fire extinguisher, Sand bucket, First aid box, Fire alarm

Specific Objectives

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

Cognitive Domain:

Define a fire extinguisher, sand bucket, first aid box, and fire alarm.
Identify various safety equipment and devices in a wood machine shop.
State the uses of each safety device.
Explain basic emergency response steps in case of an incident.

Affective Domain:

Appreciate the importance of safety equipment in preventing accidents.
Show willingness to use safety devices correctly when needed.
Develop a positive attitude towards maintaining a safe workshop environment.

Psychomotor Domain:

Locate different safety devices within a simulated workshop setting.
Demonstrate the proper way to raise a fire alarm.

Encourage peers to observe safety rules and use safety devices.
Participate in discussions about workshop safety.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum for Technology.
State Unified Scheme of Work for Senior Secondary Schools.
Woodwork Technology for Senior Secondary Schools by E.A. Adenuga.
https://www.fire.gov.ng
https://www.redcross.org.ng

Instructional Materials

The teacher will teach this lesson with the aid of:

Pictures or charts of fire extinguishers.
A sand bucket.
A first aid kit.
A fire alarm panel (or a diagram/picture).

Rationale for the Lesson

This lesson helps pupils understand the importance of safety equipment in a wood machine shop. Knowing how to identify and use these devices can prevent accidents and save lives, preparing pupils for safe practices in practical workshops and future careers.

Prerequisite/Previous Knowledge

Pupils have basic knowledge of general safety rules and common hazards in a workshop environment.

Lesson Content/Board Summary

Safety Equipment and Devices in the Wood Machine Shop

Fire Extinguisher

A fire extinguisher is a portable active fire protection device used to put out or control small fires, often in emergency situations.

The following are types of fire extinguishers based on the class of fire they can extinguish:

Water Extinguisher (Class A fires: wood, paper, textiles)
Foam Extinguisher (Class A and B fires: flammable liquids)
Dry Powder Extinguisher (Class A, B, C, and electrical fires)
Carbon Dioxide (CO2) Extinguisher (Class B, C, and electrical fires)

The following are uses of a fire extinguisher:

To extinguish small fires before they spread.
To create a safe path for evacuation by controlling small fires.

Sand Bucket

A sand bucket is a container filled with sand, commonly kept in workshops and near machinery.

The following are uses of a sand bucket:

To smother small fires, especially liquid fires (e.g., oil, grease) or electrical fires, by cutting off oxygen.
To absorb spilled flammable liquids, making the area safer.

First Aid Box

A first aid box is a collection of supplies and equipment used to give immediate medical treatment for minor injuries or illnesses.

The following are common contents of a first aid box:

Antiseptic wipes or solution
Cotton wool
Bandages (elastic, adhesive)
Plasters
Scissors
Painkillers
Gloves
Burn gel

The following are uses of a first aid box:

To treat minor cuts, scrapes, and bruises.
To manage small burns.
To provide immediate relief for sprains or strains before professional medical help arrives.

Fire Alarm

A fire alarm is a device or system that detects the presence of fire or smoke and provides an audible and/or visual warning to occupants of a building.

The following are types of fire alarms:

Manual call points (break glass type)
Automatic smoke detectors
Automatic heat detectors

The following are uses of a fire alarm:

To alert occupants to evacuate the premises quickly and safely.
To notify emergency services (fire department) automatically or manually.

Emergency Response Steps

The following are general steps to take in an emergency:

Stay calm and assess the situation.
Raise the alarm immediately (e.g., shout “fire”, activate fire alarm).
If safe, use the appropriate safety equipment (e.g., fire extinguisher for small fires) only if trained.
Evacuate the area following designated escape routes.
Call emergency services (e.g., fire service, ambulance) once in a safe location.

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, reviews the previous lesson briefly, and then asks pupils to mention some dangers that can occur in a workshop. The teacher then introduces the topic: “Safety equipment and devices in the wood machine shop,” explaining that today’s lesson will focus on understanding these important tools.
Pupils’ Activity: Pupils respond to questions and listen attentively to the introduction.
Learning Point: Pupils recall previous knowledge and are introduced to the new topic.

Step 2: Fire Extinguisher

Time: 8 minutes
Teaching Skill: Explanation/Demonstration
Teacher’s Activity: The teacher defines a fire extinguisher and explains its purpose. The teacher shows pictures or a real fire extinguisher, discussing different types and their suitable fire classes (A, B, C, electrical). The teacher explains the basic principle of using an extinguisher (PASS method: Pull, Aim, Squeeze, Sweep).
Pupils’ Activity: Pupils listen, observe the visuals, ask questions, and take notes.
Learning Point: Pupils understand what a fire extinguisher is and its general uses.

Step 3: Sand Bucket

Time: 6 minutes
Teaching Skill: Explanation/Discussion
Teacher’s Activity: The teacher defines a sand bucket and explains why sand is effective for certain types of fires (smothering, absorbing flammable liquids). The teacher discusses situations where a sand bucket would be used in a wood machine shop.
Pupils’ Activity: Pupils contribute to the discussion, identify locations where sand buckets might be found, and note down key points.
Learning Point: Pupils learn about the function and specific uses of a sand bucket.

Step 4: First Aid Box

Time: 8 minutes
Teaching Skill: Explanation/Listing
Teacher’s Activity: The teacher defines a first aid box and emphasizes its importance for minor injuries. The teacher displays a first aid kit (if available) or a chart showing its contents, naming and explaining the use of common items like bandages, antiseptics, and painkillers.
Pupils’ Activity: Pupils identify items in the first aid box and discuss scenarios where it would be used.
Learning Point: Pupils understand the purpose and contents of a first aid box.

Step 5: Fire Alarm

Time: 6 minutes
Teaching Skill: Explanation/Questioning
Teacher’s Activity: The teacher defines a fire alarm and explains how it works (detecting smoke/heat, alerting people). The teacher shows a diagram of a fire alarm panel or a manual call point, explaining how to activate it and the importance of timely activation.
Pupils’ Activity: Pupils ask questions about fire alarm systems and discuss the importance of acting quickly when an alarm sounds.
Learning Point: Pupils learn about fire alarms and their role in emergency notification.

Step 6: Emergency Response Steps

Time: 5 minutes
Teaching Skill: Discussion/Instruction
Teacher’s Activity: The teacher leads a discussion on general emergency response steps to take when an incident occurs in the workshop, such as raising the alarm, evacuating, and contacting emergency services.
Pupils’ Activity: Pupils contribute ideas and discuss the correct sequence of actions during an emergency.
Learning Point: Pupils understand the proper sequence of actions during an emergency.

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

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

Define a fire extinguisher.
Mention three safety devices found in a wood machine shop.
State two uses of a sand bucket.
List four items that can be found in a first aid box.
Explain why a fire alarm is important in a workshop.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 2 minutes
Teaching Skill: Summarization
Teacher’s Activity: The teacher summarizes the key points of the lesson, reiterating the importance of safety equipment and devices in preventing accidents in the wood machine shop. The teacher assigns homework: “Draw and label any two safety devices discussed today.”
Pupils’ Activity: Pupils listen to the summary and copy the homework.
Learning Point: Pupils consolidate their learning and are given a follow-up task.

Lesson Keywords

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 supplies for treating minor injuries.
Fire Alarm – A system that detects fire and alerts people to evacuate.
Safety Equipment – Devices designed to protect people from harm.

Differentiation

For visual learners, the teacher will use charts and actual items (where available). Auditory learners will benefit from explanations and discussions. Kinesthetic learners can be encouraged to identify and point out safety devices in the classroom or workshop. Struggling pupils will receive additional explanations and simpler questions, while advanced pupils can be asked to research different types of fire extinguishers and their chemical compositions.

Note for teachers using this lesson plan

Ensure that all instructional materials, especially visual aids, are prepared before the lesson. If a workshop is accessible, a brief tour to identify actual safety devices can enhance understanding. Emphasize practical application and proper conduct during emergencies. Encourage pupils to ask questions and share any personal experiences related to safety to make the lesson more relatable.