Class: Junior Secondary School 1 (JSS1, JSS 1)
Term: 1st Term
Week: 8
Age: 12 years
Duration: 45 minutes
Subject: Basic Science And Technology
Curriculum Theme: Basic Technology
Previous Lesson: Properties of Metals, Physical Properties, Types and Alloys
Topic: Classification, Forms And uses of Metal
Subject Matter: Classification, Forms of metal, Uses

Specific Objectives

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

Cognitive Domain:
(a) Explain the classification of metals into ferrous and non-ferrous.
(b) State the various forms of metals and give examples.
(c) Describe at least three common uses of metals in everyday life.
Affective Domain:
(a) Appreciate the importance of metals in human development.
(b) Show positive attitude towards proper utilization and preservation of metal resources.
Psychomotor Domain:
(a) Identify common metallic objects around them and classify them correctly.
(b) Sketch simple forms of metals as shown by the teacher.
Social Domain:
(a) Work cooperatively in groups while discussing examples of metals.
(b) Share knowledge of local uses of metals in their environment.

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
Mead Metals – Types of Metal and Their Applications
Relevant Textbooks

Instructional Materials

The teacher will teach this lesson with the aid of:

Samples of metallic objects (iron nail, aluminium spoon, copper wire, etc.)
Chart showing classification of metals
Diagram of metallic structures
Whiteboard/marker or chalkboard/chalk

Rationale for the Lesson

Metals play a vital role in technology, construction, and daily life, hence pupils need to understand their classification, forms, and uses for practical relevance.

Prerequisite/Previous Knowledge

Pupils have seen and used common metal objects such as spoons, pots, nails, and coins in their environment. They can also distinguish metals from non-metals by appearance.

Lesson Content/Board Summary

Classification, Forms and Uses of Metals

Classification of Metals

Metals can be grouped based on their composition into ferrous and non-ferrous metals. Ferrous metals contain iron while non-ferrous metals do not contain iron.

The following are the classification of metals:

Ferrous Metals – e.g. steel, cast iron, and wrought iron.
Non-Ferrous Metals – e.g. copper, aluminium, lead, zinc, and tin.

Forms of Metals

Metals can exist in different physical forms based on their preparation and usage.

These include:

Sheet Metals – thin, flat pieces of metals used in roofing sheets and automobile bodies.
Rods – long cylindrical shapes used in construction and making gates.
Tubes – hollow cylindrical forms used for water pipes.
Wires – thin flexible metals used for electrical connections.
Ingots – solid blocks of metals used for further processing in industries.

Uses of Metals

Metals are widely used in various aspects of human life due to their strength, durability, and conductivity.

Examples include:

Construction of buildings, bridges, and roads.
Production of household utensils like pots, spoons, and cutlery.
Electrical wiring and production of cables.
Manufacturing of machines, automobiles, and tools.
Making ornaments and coins.

Teaching Methods/Instructional Techniques:

Discussion, Lecture, Storytelling, Explanation, Group Work, Question and Answer, Demonstration, Use of 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 shows metallic objects such as an iron nail and a copper wire and asks pupils to describe their features.
Pupils’ Activity: Pupils observe the objects and give answers.
Learning Point: Pupils become curious and interested in the lesson.

Step 2: Classification of Metals

Time: 8 minutes
Teaching Skill: Explanation
Teacher’s Activity: The teacher explains ferrous and non-ferrous metals and gives examples.
Pupils’ Activity: Pupils listen and write examples.
Learning Point: Pupils understand the two main classifications of metals.

Step 3: Forms of Metals

Time: 10 minutes
Teaching Skill: Demonstration
Teacher’s Activity: The teacher uses charts and real objects to show sheet metals, rods, tubes, wires, and ingots.
Pupils’ Activity: Pupils identify the forms and mention where they have seen them.
Learning Point: Pupils learn to recognize the various forms of metals.

Step 4: Uses of Metals

Time: 10 minutes
Teaching Skill: Discussion
Teacher’s Activity: The teacher explains common uses of metals and allows pupils to discuss local uses.
Pupils’ Activity: Pupils mention and discuss uses of metals in their homes and communities.
Learning Point: Pupils discover the importance of metals in daily life.

Step 5: Note-Taking

Time: 5 minutes
Teaching Skill: Supervision
Teacher’s Activity: The teacher dictates and writes the board summary for pupils to copy.
Pupils’ Activity: Pupils copy the lesson summary into their notebooks.
Learning Point: Pupils have a written record of the lesson.

Step 6: Evaluation/Review

Time: 5 minutes
Teaching Skill: Questioning
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

Define metals and state their two classifications.
Mention three examples of ferrous and non-ferrous metals.
List four forms of metals.
Mention four uses of metals in daily life.
Pupils’ Activity: Pupils answer the questions orally.
Learning Point: Pupils recall the major points of the lesson.

Step 7: Conclusion

Time: 2 minutes
Teaching Skill: Reinforcement
Teacher’s Activity: The teacher summarizes the lesson and emphasizes the importance of metals in everyday life.
Pupils’ Activity: Pupils listen attentively.
Learning Point: Pupils consolidate their knowledge of metals.

Home Task: Record two correct examples of Classification, Forms And uses of Metal from the lesson or home environment and explain each in your own words.

Lesson Keywords

Ferrous Metals – metals containing iron.
Non-Ferrous Metals – metals without iron.
Sheet Metals – thin flat pieces of metal.
Rods – cylindrical solid forms of metals.
Ingots – solid blocks of metals for processing.

Differentiation

The teacher will use real objects and visual aids for pupils who learn better by sight, discussions for verbal learners, and group activities for collaborative learners.

Note for teachers using this lesson plan

Ensure pupils actively participate by handling sample objects. Relate the uses of metals to their immediate environment to make the lesson practical and memorable.