Class: Nursery One
Term: First Term
Subject: basic Science and Technology
Curriculum Theme:
Previous Lesson: Things in the Environment
Topic: Risky Objects
Content/Learning Area: Meaning of risky object, examples of dangerous objects, dangers of playing with dangerous objects
Time Allocation: 40 minutes
Performance Objectives
By the end of the lesson, pupils should be able to:
- Cognitive Domain: List examples of dangerous objects like broken bottles, razors, pins, and sticks.
- Affective Domain: Express concern about playing with dangerous objects.
- Psychomotor Domain: Identify and point to dangerous objects shown to them.
- Social Domain: Share how to avoid playing with dangerous objects and help others stay safe.
Reference Materials
- 9 – Years Basic Education Curriculum
- abuja Educational Resource Center Scheme of Work
- NAPPS National Unified Scheme of Work
- Online Data from Dangerous Objects (https://www.hymscolibrary.com/post/dangerous-objects-in-the-school)
- Relevant Textbooks
Instructional Materials
To deliver this lesson, the teacher will use the following materials:
- Flashcards with images of dangerous objects
- Real-life objects (e.g., a dull razor, broken bottle)
- Safety videos for children
- Charts showing safe and dangerous objects
Rationale for the Lesson
Understanding dangerous objects helps pupils stay safe and make better decisions. Recognizing harmful objects builds awareness and prevents accidents.
Prerequisite/Previous Knowledge
The teacher will begin by asking pupils to name objects they see at home, transitioning into a discussion about objects that can be harmful.
Lesson Content
Meaning of Dangerous Object
A dangerous object is somthing that can hurt us. It can even cause serious injury or death.
Examples of Dangerous Objects
Dangerous objects are items that can cause harm if not handled properly.These include:
- Broken bottles
- Razors
- Pins
- Sharp sticks
- Scissors
- Knives
- Nails
- Matches
- Electric wires
- Chemicals (like bleach)
- Needles
- Axes

Dangers of Playing with a Dangerous Object
Playing with dangerous objects can lead to various negative outcomes. These include:
- Cuts
- Bruises
- Serious injuries
- In certain specific cases, death
We must stay away from these objects and tell an adult if we see one.
teaching Methods
To deliver this lesson, the teacher will adopt the following methods: Set induction, Description, presentation, Discussion, Role Play, and Note taking.
Instructional Procedures
To deliver this lesson, the teacher will adopt the following steps:
Step 1: Introduction
Time: 5 mins
Teaching Skill: Set induction
Teacher’s Activity: Asks: “Can anyone tell me the objects we see at home?”
Pupils’ Activity: Mention common objects.
step 2: Meaning of Dangerous Object
Time: 5 mins
Teaching Skill: Explanation
Teacher’s Activity: Shows flashcards, explains “dangerous” means it can harm us.pupils’ Activity: look at flashcards and repeat.
Step 3: Examples of Dangerous Objects
Time: 10 mins
Teaching Skill: Demonstration
Teacher’s Activity: Shows real objects, guides pupils to name them.
Pupils’ Activity: Point to and name objects.
Step 4: Dangers of Playing with Dangerous Objects
Time: 8 mins
Teaching Skill: Discussion
Teacher’s Activity: Explains dangers, asks questions.
Pupils’ Activity: Respond with ideas.
Step 5: Avoiding Dangerous Objects
Time: 7 mins
Teaching Skill: Role Play
Teacher’s Activity: Acts out avoiding objects, encourages “No!”
Pupils’ Activity: Practice saying “No!” and demonstrating avoidance.
Step 6: Note taking
Time: 3 mins
Teaching Skill: Copying Activity
Teacher’s Activity: Instruct pupils to copy notes.
Pupils’ Activity: Copy notes.
Step 7: Evaluation/Review
Time: 2 mins
Teaching Skill: Verbal Recap
Teacher’s Activity: Reviews the lesson, asks questions.
Pupils’ Activity: Share what they learned.
step 8: Conclusion
to conclude the lesson, the teacher will review key points and emphasize the importance of staying safe around dangerous objects.
Lesson Keywords
- Dangerous – Able or likely to cause harm or injury.
- Objects – A material thing that can be seen and touched.
- Safety – The condition of being protected from harm or other danger.
- harm – Physical injury or damage.
- Injury – Physical damage to the body caused by an accident or attack.
Lesson Evaluation
To evaluate the learning, the teacher asks pupils to:
- Can you name three dangerous objects?
- Why should we not play with dangerous objects?
- What should you do if you find a broken bottle?
- How can dangerous objects hurt or kill us?
- How can you help your friends stay safe from dangerous objects?
Assignment/Homework
- Draw three dangerous objects you can find at home.
- Ask your parents to show you safe places to keep dangerous objects.
- Explain to your younger sibling why they should not play with knives.
Differentiation
- For slower learners: Provide one-on-one assistance and use simple language to explain concepts.
- For advanced learners: Challenge them to create a safety poster about dangerous objects.
- For visual/auditory/kinesthetic learners: Use visual aids and real-life objects for visual learners, and encourage active participation for kinesthetic learners.
Note for Teachers
Ensure to handle real objects with care and supervise pupils closely during demonstrations. Emphasize the importance of telling an adult when they encounter dangerous objects.

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