Class: Junior Secondary School 1 (JSS1, JSS 1)
Term: 1st Term
Week: 5
Age: 12 years
Duration: 45 minutes
Subject: Basic Science And Technology
Curriculum Theme: Basic Science
Sub Theme: Concept Of Living And Non Living Things
Previous Lesson: Classification Of Non Living Things Into Metals And Non Metals
Topic: Human Development
Subject Matter: Meaning of Puberty and Adolescence, Puberty/Adolescent Changes – Physical, Social and Emotional Changes, Personal Hygiene. Menstruation, Menstrual Cycle and Menstrual Hygiene – Myths and Facts about Pubertal Changes in Boys and Girls. Coping with concerns at Adolescence Pubertal Changes and Emotional Development

Specific Objectives

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

Cognitive Domain:
(a) Explain the meaning of puberty and adolescence.
(b) Identify physical, social, and emotional changes during puberty.
(c) Describe menstruation and the menstrual cycle.
(d) Explain myths and facts about pubertal changes in boys and girls.
Affective Domain:
(a) Appreciate the importance of personal and menstrual hygiene.
(b) Show positive attitudes towards peers experiencing pubertal changes.
Psychomotor Domain:
(a) Demonstrate proper hygiene practices during adolescence.
(b) Role-play coping strategies for emotional challenges during adolescence.
Social Domain:
(a) Interact respectfully with peers of the opposite sex during adolescence.
(b) Work collaboratively in groups to discuss coping strategies for pubertal concerns.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum
Lagos State Unified Scheme of Work for Junior Secondary Schools
Online information from: Britannica – Human development | Description, Rate, Growth, & Puberty
Relevant Textbooks

Instructional Materials

The teacher will teach this lesson with the aid of:

Charts showing physical changes in boys and girls during puberty
Model of the female reproductive system
Flip charts on personal hygiene practices
Short video clips or animations on adolescence and puberty
Marker and whiteboard

Rationale for the Lesson

Adolescents face rapid physical, emotional, and social changes, and equipping them with knowledge on puberty, hygiene, and coping skills will help them grow into healthy, confident, and responsible adults.

Prerequisite/Previous Knowledge

Pupils have experienced some physical growth and have basic knowledge of living and non-living things; they may also have observed changes in themselves or their peers.

Lesson Content/Board Summary

Human Development

Meaning of Puberty and Adolescence

Puberty is the stage in human development when children begin to mature into adults and develop the ability to reproduce. Adolescence is the period of life between childhood and adulthood, usually between ages 10 and 19.
The following are characteristics of puberty and adolescence:

It involves rapid physical growth and development.
It marks the beginning of reproductive maturity.
It includes emotional and social changes.
It is a transition period into adulthood.

Physical, Social and Emotional Changes

During puberty, boys and girls experience changes in their bodies and behaviors.
The following are physical changes in boys and girls:

Growth of breasts in girls and voice deepening in boys.
Growth of hair in the armpit and pubic areas.
Increase in height and body size.
Production of sperm in boys and start of menstruation in girls.

The following are social and emotional changes:

Desire for independence.
Mood swings and sensitivity to criticism.
Increased interest in friends and the opposite sex.
Development of identity and self-awareness.

Personal Hygiene

Personal hygiene is the practice of keeping the body clean to maintain good health.
These include:

Bathing regularly to remove sweat and dirt.
Brushing the teeth at least twice daily.
Washing hands with soap after using the toilet.
Wearing clean clothes and underwear.
Proper disposal of sanitary pads.

Menstruation, Menstrual Cycle and Menstrual Hygiene

Menstruation is the monthly flow of blood from the uterus of a girl or woman when pregnancy does not occur. The menstrual cycle is the regular monthly process that prepares the female body for pregnancy.
The following are menstrual hygiene practices:

Use clean sanitary pads or materials.
Change pads regularly to avoid infection.
Wash the body and private parts daily.
Dispose used pads properly.

Myths and Facts about Pubertal Changes

There are several misconceptions about puberty that are not true.
The following are examples:

Myth: Menstruation is a disease.
Fact: Menstruation is a normal biological process.
Myth: Boys do not have emotional changes.
Fact: Both boys and girls experience emotional changes.
Myth: Talking about puberty is a taboo.
Fact: Learning about puberty is important for health and growth.

Coping with Concerns at Adolescence

Adolescents face challenges such as mood swings, peer pressure, and body image concerns.
The following are ways of coping with adolescent concerns:

Talking to trusted adults, parents, or teachers.
Practicing good personal and menstrual hygiene.
Engaging in sports and healthy hobbies.
Developing self-confidence and positive thinking.
Avoiding bad peer influence.

Teaching Methods/Instructional Techniques:

Discussion, Lecture, Storytelling, Explanation, Group Work, Demonstration, Question and Answer, Visual Aids

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 narrates a short story of a child experiencing changes such as height increase and mood swings, then asks pupils if they have noticed such changes in themselves or others.
Pupils’ Activity: Pupils listen and respond with examples.
Learning Point: Pupils become interested in the topic of human development.

Step 2: Meaning of Puberty and Adolescence

Time: 7 minutes
Teaching Skill: Explanation
Teacher’s Activity: The teacher defines puberty and adolescence and explains their importance.
Pupils’ Activity: Pupils listen and take notes.
Learning Point: Pupils understand the meaning of puberty and adolescence.

Step 3: Changes During Puberty

Time: 10 minutes
Teaching Skill: Discussion
Teacher’s Activity: The teacher presents charts showing physical, social, and emotional changes in boys and girls.
Pupils’ Activity: Pupils observe, discuss, and identify the changes.
Learning Point: Pupils identify physical, social, and emotional changes during puberty.

Step 4: Personal and Menstrual Hygiene

Time: 8 minutes
Teaching Skill: Demonstration and Explanation
Teacher’s Activity: The teacher demonstrates proper hygiene practices and explains menstrual hygiene using charts and models.
Pupils’ Activity: Pupils observe and practice simple hygiene demonstrations.
Learning Point: Pupils appreciate and apply hygiene practices during adolescence.

Step 5: Coping with Concerns at Adolescence

Time: 7 minutes
Teaching Skill: Discussion
Teacher’s Activity: The teacher explains myths and facts about puberty and suggests coping strategies for challenges faced during adolescence.
Pupils’ Activity: Pupils participate in group discussion on coping strategies.
Learning Point: Pupils learn how to cope with adolescent concerns positively.

Step 6: Note-Taking

Time: 3 minutes
Teaching Skill: Writing
Teacher’s Activity: The teacher dictates or writes the board summary for pupils to copy.
Pupils’ Activity: Pupils copy the note into their books.
Learning Point: Pupils have accurate notes for reference.

Step 7: Evaluation/Review

Time: 3 minutes
Teaching Skill: Questioning
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

What is puberty?
Mention three physical changes during puberty.
What is menstruation?
List two myths and facts about puberty.
Mention two ways of coping with adolescent concerns.
Pupils’ Activity: Pupils answer the questions orally.
Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 2 minutes
Teaching Skill: Reinforcement
Teacher’s Activity: The teacher summarizes the lesson and encourages pupils to apply good hygiene and positive coping skills during adolescence.
Pupils’ Activity: Pupils listen and respond with lessons learned.
Learning Point: Pupils reflect on the importance of healthy growth and development.

Home Task: Record two correct examples of Human Development from the lesson or home environment and explain each in your own words.

Lesson Keywords

Puberty – The stage when children mature into adults and develop reproductive ability.
Adolescence – The period between childhood and adulthood, usually between ages 10 and 19.
Menstruation – The monthly flow of blood from a girl’s uterus when pregnancy does not occur.
Hygiene – Practices of keeping the body clean to maintain good health.
Myths – False beliefs or misconceptions about a subject.

Differentiation

The teacher will use visual aids, group discussions, and storytelling to support all learners. Pupils with higher ability will lead group activities, while those with learning difficulties will receive individual guidance and extra explanations.

Note for teachers using this lesson plan

Teachers should create a safe and respectful environment for pupils to freely share experiences and ask questions. Encourage open discussion but maintain sensitivity when addressing personal or gender-related issues.