Class: Junior Secondary School 3 (JSS3, JSS 3)
Term: 2nd Term
Week: 5–6
Age: 14 years
Duration: 45 minutes
Subject: Basic Science And Technology
Curriculum Theme: Physical And Health Education
Previous Lesson: Nigeria Sports Heroes and Career Guidance in Physical Education
Topic: Puberty Stage
Subject Matter: Meaning of puberty, Puberty as a growth stage, Puberty changes in boys and girls, Instructions for puberty stage

Specific Objectives

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

Cognitive Domain:
(a) Define puberty correctly.
(b) Identify physical and emotional changes during puberty in boys and girls.
Affective Domain:
(a) Develop positive attitudes toward body changes during puberty.
(b) Show respect for individual differences in growth and development.
Psychomotor Domain:
(a) Demonstrate correct personal hygiene practices required during puberty.
Social Domain:
(a) Communicate puberty-related issues responsibly with peers and trusted adults.

Reference Materials

The following resources was used in planning this lesson:

9 Years Basic Education Curriculum
Lagos State Unified Scheme of Work for Junior Secondary Schools
Online Information from:
- World Health Organization – Adolescent development (https://www.who.int/health-topics/adolescent-health)
Relevant Textbooks

Instructional Materials

The teacher will teach this lesson with the aid of:

Charts showing stages of human growth
Diagrams of male and female body changes
Flash cards
Pictures and posters
Chalkboard and markers

Rationale for the Lesson

Understanding puberty helps pupils cope with physical and emotional changes, promotes healthy habits, builds self-confidence, and encourages responsible behaviour during adolescence.

Prerequisite/Previous Knowledge

Pupils have basic knowledge of the human body and growth stages from previous Basic Science lessons and personal life experiences.

Lesson Content/Board Summary

Puberty Stage

Meaning of Puberty

Puberty is the stage of human growth when a child develops into a physically mature adult, marked by changes in the body, emotions, and reproductive organs.

They are:

A natural biological process.
A stage between childhood and adulthood.
A period of rapid physical and emotional development.

Puberty as a Growth Stage

Puberty is one of the major stages of human growth and development, occurring during adolescence when hormones cause visible and invisible body changes.

The following are characteristics of puberty as a growth stage:

Rapid increase in height and weight.
Development of reproductive organs.
Increased emotional sensitivity.
Development of adult body features.

Puberty Changes in Boys and Girls

During puberty, boys and girls experience different physical and emotional changes due to hormonal activities in the body.

These include:

Growth of body hair.
Change in voice in boys.
Development of breasts in girls.
Menstruation in girls.
Increased sweating and body odour.

Instructions for Puberty Stage

Proper care and behaviour during puberty help maintain good health and self-esteem.

The following are instructions for puberty stage:

Maintain good personal hygiene.
Eat balanced and nutritious meals.
Engage in regular physical exercise.
Seek guidance from parents, teachers, or health workers.
Avoid harmful behaviours and peer pressure.

Teaching Methods/Instructional Techniques:

Discussion, Explanation, Lecture, Visual Aids, Question and Answer

Instructional Procedures

To deliver this lesson, the teacher will adopt the following steps:

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher asks pupils questions about body changes they have noticed as they grow and reviews the previous lesson briefly.
Pupils’ Activity: Pupils respond to questions and share ideas.
Learning Point: Puberty is a natural part of growing up.

Step 2: Meaning of Puberty

Time: 8 minutes
Teaching Skill: Explanation
Teacher’s Activity: The teacher defines puberty and explains it using charts.
Pupils’ Activity: Pupils listen attentively and ask questions.
Learning Point: Puberty marks the transition from childhood to adulthood.

Step 3: Puberty as a Growth Stage

Time: 8 minutes
Teaching Skill: Discussion
Teacher’s Activity: The teacher explains puberty as a growth stage and highlights its characteristics.
Pupils’ Activity: Pupils participate in discussion.
Learning Point: Puberty involves physical and emotional growth.

Step 4: Puberty Changes and Instructions

Time: 10 minutes
Teaching Skill: Demonstration
Teacher’s Activity: The teacher explains changes in boys and girls and outlines instructions for proper care.
Pupils’ Activity: Pupils observe and take part in discussions.
Learning Point: Proper care is important during puberty.

Step 5: Note-Taking

Time: 5 minutes
Teaching Skill: Guided Writing
Teacher’s Activity: The teacher writes the board summary and guides pupils to copy.
Pupils’ Activity: Pupils copy notes into their notebooks.
Learning Point: Key concepts of puberty are recorded.

Step 6: Evaluation/Review

Time: 6 minutes
Teaching Skill: Questioning
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

What is puberty?
Mention two changes in boys during puberty.
State two instructions for proper care during puberty.
Pupils’ Activity: Pupils answer questions orally.
Learning Point: Understanding of puberty is assessed.

Step 7: Conclusion

Time: 3 minutes
Teaching Skill: Reinforcement
Teacher’s Activity: The teacher summarizes the lesson and encourages positive attitudes toward growth changes.
Pupils’ Activity: Pupils listen and respond.
Learning Point: Puberty is a normal and healthy stage of life.

Lesson Keywords

Puberty – stage of growth into adulthood
Adolescence – period between childhood and adulthood
Hormones – chemical substances controlling body changes
Menstruation – monthly flow of blood in girls
Hygiene – cleanliness of the body

Differentiation

Use visual aids for slow learners, peer discussion for average learners, and questioning for fast learners.

Note for teachers using this lesson plan

Handle the topic with sensitivity, encourage open discussion, avoid embarrassing pupils, and provide accurate health information.