Class: Primary One
Term: First Term
Subject: Basic Science and Technology
Previous Lesson: Uses of Simple Machines at HomeCurriculum Theme: Basic Technology
Previous Lesson: Simple Machines in the School
Topic: Safety When Using Simple Machines at School
Content/Learning Area: Safety Practices When Using Simple Machines in the School
Time Allocation: 40 minutes

Performance Objectives

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

Cognitive Domain:

Recall examples of simple machines found in the school.
Explain why it is important to be careful when using simple machines.
List four or more safety rules for using simple machines at school.

Affective Domain:

Show concern for their own safety and that of others while using simple machines.
Respect and follow safety rules given by the teacher.

Psychomotor Domain:

Demonstrate the safe handling of simple machines (e.g., scissors, broom, sharpener) under supervision.

Social Domain:

Work cooperatively with classmates while using or identifying simple machines.

Reference Materials

9-Year Basic Education Curriculum
Abuja Educational Resource Centre Scheme of Work
NAPPS National Unified Scheme of Work
Relevant Textbooks and Online Sources from 10 Essential Safety Measures for Handling Simple Machines (https://quizgecko.com/learn/safety-tips-for-using-simple-machines-uq5ja5)

Instructional Materials

Pictures or charts showing safe and unsafe use of simple machines
Real examples of classroom tools (scissors, sharpener, broom, etc.)
Whiteboard and markers
Flashcards showing “Do” and “Don’t” safety actions

Rationale for the Lesson

Pupils often use simple tools like scissors, sharpeners, and brooms at school. Learning to use them safely prevents injuries and teaches responsibility. This lesson helps pupils develop safe habits when handling tools around their classroom and school.

Prerequisite/Previous Knowledge

Pupils already know what simple machines are and can identify examples of simple machines found in the school environment.

Lesson Content

Meaning of Safety When Using Simple Machines

“Safety when using simple machines” means being careful and following rules to avoid getting hurt when using tools or equipment in school.

We must always use simple machines in a safe way so that no one gets injured.

Safety Rules When Using Simple Machines at School

Always use tools carefully—do not play with them.
Ask your teacher for help before using sharp tools.
Do not run or play with simple machines like scissors or broomsticks.
Keep your tools clean and in the right place after using them.
Do not point sharp objects at others.
Use each tool only for its right purpose.
Report any broken or damaged tool to your teacher immediately.
Watch what you are doing and avoid distractions when using simple machines.

Teaching Methods

Discussion, Question and Answer, Demonstration, Group Work

Instructional Procedures

Step 1: Introduction (Set Induction)

Time: 5 minutes
Teaching Skill: Questioning, Explaining
Teacher’s Activity:

Ask pupils: “What simple machines do we use in school?”
Then ask: “Can we get hurt if we use them wrongly?”
Introduce the topic: Safety When Using Simple Machines at School.
Pupils’ Activity:
Respond to questions and share their experiences.

Step 2: Explanation of Key Concepts

Time: 10 minutes
Teaching Skill: Explaining, Illustrating
Teacher’s Activity:

Explain the meaning of “safety when using simple machines.”
Use pictures or real tools to discuss how to handle them properly.
Pupils’ Activity:
Listen, observe, and answer questions.

Step 3: Demonstration/Guided Practice

Time: 10 minutes
Teaching Skill: Demonstrating, Guiding
Teacher’s Activity:

Show pupils how to hold scissors, sharpen pencils, or sweep properly.
Demonstrate unsafe behaviors (e.g., running with scissors) and explain why they are dangerous.
Pupils’ Activity:
Observe, identify safe and unsafe actions, and demonstrate safe practices.

Step 4: Self-Reliant Practice

Time: 5 minutes
Teaching Skill: Monitoring, Assessing
Teacher’s Activity:

Ask pupils to act out or list safety rules for using school tools.
Pupils’ Activity:
Recite or act out the rules.

Step 5: Note-Taking

Time: 5 minutes
Teaching Skill: Guiding, Summarizing
Teacher’s Activity:

Guide pupils to write short notes on safety rules.
Pupils’ Activity:
Write notes neatly.

Step 6: Evaluation/Review

Time: 5 minutes
Teaching Skill: Questioning, Reinforcing
Teacher’s Activity: Ask pupils:

What does it mean to be safe when using simple machines?
Mention three simple machines you use in school.
Give three safety rules to follow when using simple machines.
Why should you not play with scissors?

Pupils’ Activity:

Answer questions orally.

Step 7: Conclusion

Time: 2 minutes
Teaching Skill: Summarizing, Encouraging
Teacher’s Activity:

Summarize the main safety rules.
Remind pupils that being careful keeps everyone safe.
Pupils’ Activity:
Listen and repeat key points.

Lesson Keywords

Safety: Being careful to avoid danger or harm.
Simple Machines: Tools that make work easier.
Rules: Instructions to keep us safe.
Accident: Something bad that happens when we are not careful.

Lesson Evaluation

What is safety when using simple machines?
Mention two simple machines found in your school.
Say three safety rules to follow when using simple machines.
Why should we not play with scissors or sharpeners?
What should you do if a machine is broken?

Assignment/Homework

Draw one simple machine you use in school and write one safety rule for it.
Ask your parents to tell you one safety rule they follow when using tools at home.

Differentiation

For Slower Learners:
- Use pictures and real objects to explain each rule.
- Provide one-on-one guidance and repeat key ideas slowly.
For Advanced Learners:
- Ask them to suggest extra safety rules or give examples of unsafe behavior to correct.
For Visual/Auditory/Kinesthetic Learners:
- Use role-play (acting out safety and unsafe behaviors), show pictures, and allow pupils to demonstrate safe handling.

Note for Teachers

Emphasize safety first throughout the lesson.
Supervise pupils closely during demonstrations.
Use real-life examples and gentle correction when unsafe behavior occurs.
Reinforce that safety is everyone’s responsibility—never for adults alone.