Class: Senior Secondary School 1 (SS1, SS 1, SSS1, SSS 1)
Term: 3rd Term
Week: 3
Age: 15 years
Duration: 45 minutes
Subject: Building Construction
Curriculum Theme: Building Construction
Previous Lesson: Ground Floor: Functional Requirements and Floor Production.
Topic: Walls: Meaning, Types and Functions
Subject Matter: Definition of wall, types of wall (load-bearing and non-load-bearing), functions of walls, basic wall sketches, wall materials examples from site.

Specific Objectives

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

Cognitive Domain:

Define a wall.
State the two main types of walls.
List at least three functions of walls in a building.
Mention four examples of materials used for constructing walls.

Affective Domain:

Appreciate the importance of walls in building construction.
Show interest in identifying different wall types and materials.

Psychomotor Domain:

Sketch simple diagrams illustrating different wall types.

Participate actively in discussions about wall types and materials.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum for Building Construction.
State Unified Scheme of Work for Senior Secondary Schools.
Building Construction for Senior Secondary Schools by O.B. Adeyemi.
Relevant charts and diagrams showing wall construction.

Instructional Materials

The teacher will teach this lesson with the aid of:

Samples of bricks, concrete blocks, stones, sheet metal, and fibre-cement boards.
Charts showing different types of walls and their cross-sections.
Pictures of buildings under construction.

Rationale for the Lesson

This lesson helps pupils understand the fundamental components of a building, specifically walls. Knowing the meaning, types, and functions of walls enables pupils to grasp how buildings are structured and provides a foundation for further study in building construction.

Prerequisite/Previous Knowledge

Pupils should have basic knowledge of common building components and their general uses in a structure.

Lesson Content/Board Summary

Walls: Meaning, Types and Functions

Definition of Wall

A wall is a vertical structural element that encloses or divides spaces within a building or forms the exterior boundary of a building.

Types of Walls

Walls can be classified based on their structural function:

Load-bearing Walls: These walls support the weight of the roof, floors, and other structural elements above them. They transfer these loads to the foundation.
Non-load-bearing Walls (Partition Walls): These walls do not carry any structural load other than their own weight. Their primary function is to divide spaces or act as screens.

Functions of Walls

Walls perform several important functions in a building:

To enclose and divide spaces within the building.
To provide privacy and security for occupants.
To support the roof and floor structures (in the case of load-bearing walls).
To protect against weather elements like sun, rain, and wind.
To provide thermal and sound insulation.
To enhance the aesthetic appearance of a building.

Basic Wall Sketches

Sketches help to illustrate the cross-section and plan views of different wall types, showing their thickness and typical construction details.

Examples of Wall Materials

Walls can be constructed from various materials, including:

Bricks
Concrete Blocks
Stones
Timber (wood)
Sheet Metal
Glass
Fibre-cement boards
Reinforced concrete

Teaching Methods/Instructional Techniques

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

Instructional Procedures

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher greets the pupils and asks them to identify the vertical structures that separate classrooms or form the outer part of the school building. The teacher then introduces the topic: “Walls: Meaning, Types and Functions”.
Pupils’ Activity: Pupils respond by identifying walls and listen attentively to the topic.
Learning Point: Pupils are introduced to the topic and relate it to their environment.

Step 2: Definition of Wall

Time: 8 minutes
Teaching Skill: Explanation/Definition
Teacher’s Activity: The teacher defines a wall as a vertical structural element that encloses or divides spaces within a building or forms its exterior boundary. The teacher writes the definition on the board.
Pupils’ Activity: Pupils listen, take notes, and contribute their understanding of a wall.
Learning Point: Pupils understand the basic definition of a wall.

Step 3: Types of Walls

Time: 10 minutes
Teaching Skill: Classification/Demonstration
Teacher’s Activity: The teacher explains the two main types of walls: load-bearing and non-load-bearing walls, using examples and simple diagrams. The teacher uses charts to illustrate the concept.
Pupils’ Activity: Pupils observe the diagrams, ask questions, and differentiate between load-bearing and non-load-bearing walls.
Learning Point: Pupils can identify and differentiate between load-bearing and non-load-bearing walls.

Step 4: Functions of Walls

Time: 7 minutes
Teaching Skill: Listing/Discussion
Teacher’s Activity: The teacher guides pupils to brainstorm and list various functions of walls in a building, emphasizing their importance for enclosure, support, protection, and aesthetics.
Pupils’ Activity: Pupils contribute ideas and list the functions of walls in their notes.
Learning Point: Pupils understand the multiple roles walls play in building construction.

Step 5: Wall Materials

Time: 5 minutes
Teaching Skill: Identification/Observation
Teacher’s Activity: The teacher displays samples of wall materials like bricks, blocks, stones, and pictures of others, explaining where each is typically used.
Pupils’ Activity: Pupils observe the materials, identify them, and discuss their common uses.
Learning Point: Pupils can identify various materials used for wall construction.

Step 6: Basic Wall Sketches

Time: 5 minutes
Teaching Skill: Demonstration/Drawing
Teacher’s Activity: The teacher draws simple sketches of typical wall sections on the board, explaining their components and encouraging pupils to copy them.
Pupils’ Activity: Pupils observe the sketches and attempt to draw them in their notebooks.
Learning Point: Pupils develop basic sketching skills related to wall construction.

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

Define a wall.
Mention two types of walls based on their function.
State three functions of walls in a building.
List four common materials used for wall construction.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 5 minutes
Teaching Skill: Summarization/Assignment
Teacher’s Activity: The teacher summarizes the key points of the lesson, reiterating the definition, types, and functions of walls. The teacher assigns homework: “Draw and label a simple cross-section of a brick wall.”
Pupils’ Activity: Pupils listen to the summary and copy the homework assignment.
Learning Point: Pupils consolidate their learning and are given tasks for reinforcement.

Lesson Keywords

Wall – A vertical structural element that encloses or divides spaces.
Load-bearing Wall – A wall that supports structural loads from above.
Non-load-bearing Wall – A wall that only supports its own weight and divides spaces.
Partition Wall – Another name for a non-load-bearing wall.

Differentiation

For pupils who grasp concepts quickly, they can be asked to research different types of wall finishes. For those needing more support, the teacher can provide simplified diagrams and allow for peer-tutoring during sketching activities.

Note for teachers using this lesson plan

Teachers should ensure they have adequate samples of wall materials or clear visual aids. Encourage pupils to relate the lesson to actual buildings they see daily. Emphasize safety if discussing practical construction aspects or site visits.