Lesson Notes By Weeks and Term - Junior Secondary 3

TERM – 2^ND TERM

WEEK FIVE

Class: Junior Secondary School 3

Age: 14 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC TECHNOLOGY

Topic: WOODWORK PROJECTS –WOODWORK JOINTS

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

1. Define wood work joint
2. Identify the types of wood work joints
3. State the uses of wood work joints

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers,

demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures, tools and materials for wood work joining

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION	TEACHER’S ACTIVITY	STUDENT’S ACTIVITY
STEP 1 INTRODUCTION	The teacher introduces and explains wood work joint to the students	Students pay attention
STEP 2 EXPLANATION	Teacher identify and discuss the various types of wood work joints	Students pay attention and participate
STEP 3 DEMONSTRATION	Teacher stat the uses of wood work joints.	Students pay attention and participate
STEP 4 NOTE TAKING	The teacher writes a summarized note on the board	The students copy the note in their books

 

NOTE

WOODWORK PROJECTS –WOODWORK JOINTS

A woodwork joint refers to the connection or joining of two or more pieces of wood to create a single, cohesive structure. Woodworkers use various types of joints, each with its own purpose, strength, and appearance. Common woodwork joints include:

1. Dovetail Joint: An interlocking joint known for its strength and decorative appearance, often used in drawer construction.

2. Mortise and Tenon Joint: It consists of a projecting tenon on one-piece fitting into a precut mortise in another, providing stability and strength.

3. Butt Joint: The simplest joint where two pieces of wood are joined at their ends or edges, usually reinforced with nails or screws.

4. Rabbet Joint: One piece of wood has a recess (rabbet) into which the end or edge of another piece fits, creating a flush surface.

5. Dowel Joint: Its involves inserting wooden dowels into corresponding holes in two pieces to create a secure connection.

Uses of woodwork joints

Woodwork joints serve various purposes in woodworking, contributing to the structural integrity, aesthetics, and functionality of the finished piece. Here are some common uses of woodwork joints:

1. Many woodwork joints, such as mortise and tenon or dovetail joints, are designed to provide strong and stable connections, ensuring the durability of the assembled structure.
2. Joints like dovetails and finger joints are not only strong but also add decorative elements to furniture and woodworking projects, enhancing their visual appeal.
3. Joints like biscuits, dowels, and tongue and groove help in aligning and joining pieces of wood precisely, ensuring accurate assembly.
4. Different joints offer flexibility in design, allowing woodworkers to create unique and intricate patterns or shapes in their projects.
5. Certain joints, like the biscuit joint or pocket hole joint, simplify the assembly process, making it more accessible for hobbyists and DIY enthusiasts.
6. Woodwork joints, especially those designed to accommodate the natural movement of wood, help prevent issues such as warping or splitting due to changes in humidity and temperature.
7. Woodwork joints enable customization of furniture and structures, allowing woodworkers to tailor their creations to specific needs and preferences.

EVALUATION: 1. Define wood work joints.

2. Mention 5 types of wood work joints you know.
3. State 5 uses of wood work joints you know

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively