Class: Senior Secondary School 1 (SS1, SS 1, SSS1, SSS 1)
Term: 2nd Term
Week: 1
Age: 15 years
Duration: 45 minutes
Subject: Visual Art
Curriculum Theme: Visual Art
Previous Lesson: Art Terminologies: Two-Dimensional Art Terms and Meanings.
Topic: Drawing
Subject Matter: Concept of lines; types of lines (vertical, horizontal, wavy, spiral, zigzag); qualities of lines (thick, thin, heavy, flexible); constructing objects using lines.

Specific Objectives

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

Cognitive Domain:

Define line as a basic element in drawing.
Identify and describe types of lines: vertical, horizontal, wavy, spiral, and zigzag.
State and explain qualities of lines: thick, thin, heavy, and flexible.
Explain how lines can be used to form shapes and construct objects in drawing.

Affective Domain:

Show interest in observing objects to notice line directions and forms.
Appreciate neat line control and good finishing in drawings.
Demonstrate a positive attitude to practice and correction during drawing activities.

Psychomotor Domain:

Draw and label different types of lines correctly.
Use different line qualities to show outline and details.
Construct simple objects using lines with correct proportions.

Work in small groups to observe and describe lines seen in classroom objects.
Share drawings for peer review and offer respectful feedback.
Participate in class discussion by describing line types and qualities used.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum
State Unified Scheme of Work
New Practical Fine Art for Senior Secondary Schools (relevant chapter on drawing and line)
Encyclopaedia Britannica: Line (Art)
Khan Academy: Line as an Art Element
Tate: Art Terms (Glossary)

Instructional Materials

The teacher will teach this lesson with the aid of:

Chairs and other simple classroom objects (cup, book, ruler, table)
Pencils, erasers, sharpener
Drawing paper or sketch pads
Ruler and chalk/marker for board demonstration
Sample drawings showing different line types and qualities

Rationale for the Lesson

Line is the foundation of drawing and helps pupils to form shapes, patterns, and objects. Understanding line types and qualities improves neatness, accuracy, and the ability to represent real objects in everyday drawing tasks.

Prerequisite/Previous Knowledge

Pupils have basic experience of holding a pencil and making simple marks and sketches.

Lesson Content/Board Summary

Drawing: Lines in Drawing

Meaning of Line in Drawing

A line is a continuous mark made by a moving point or tool (pencil, pen, or brush) on a surface.

Types of Lines

The following are types of lines:

Vertical line: A straight up-and-down line.
Horizontal line: A straight side-to-side line.
Wavy line: A line that moves in smooth curves up and down or side to side.
Spiral line: A line that circles around a point and moves outward or inward.
Zigzag line: A line made with sharp turns and angles.

Qualities of Lines

The following are qualities of lines:

Thick line: A wide line produced with more pressure or a broader tool.
Thin line: A narrow line produced with light pressure or a fine tool.
Heavy line: A dark, bold line that looks strong and prominent.
Flexible line: A line that bends easily, usually curved and smooth.

Constructing Objects Using Lines

Construction is forming objects by using lines to create outlines, shapes, and details.

The following are steps for constructing simple objects using lines:

Observe the object and identify major line directions (vertical, horizontal, curved, or angled).
Draw light guide lines to set height, width, and position.
Use straight and curved lines to form the main outline (basic shapes).
Add details using suitable line types (wavy, zigzag, spiral where needed).
Adjust line qualities (thin for guides, heavy/thick for final outlines).
Erase unnecessary guide lines and improve neatness.

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 displays a chair and a simple drawing of it, then asks pupils to identify the lines they can see in the object and in the drawing.
Pupils’ Activity: Pupils observe the chair and mention straight, curved, and angled lines they notice.
Learning Point: Objects can be represented in drawings using lines.

Step 2: Meaning of Line in Drawing

Time: 6 minutes
Teaching Skill: Explanation
Teacher’s Activity: The teacher defines line in drawing and writes the meaning on the board, using quick examples on the board to show a continuous mark.
Pupils’ Activity: Pupils listen, copy the definition, and draw a few simple lines in their notebooks.
Learning Point: A line is a continuous mark made by a moving point or tool.

Step 3: Types of Lines

Time: 6 minutes
Teaching Skill: Demonstration
Teacher’s Activity: The teacher draws vertical, horizontal, wavy, spiral, and zigzag lines on the board, labels them, and explains each type briefly.
Pupils’ Activity: Pupils reproduce the line types on paper and label them correctly.
Learning Point: Different line types have different directions and shapes.

Step 4: Qualities of Lines

Time: 6 minutes
Teaching Skill: Explanation and Illustration
Teacher’s Activity: The teacher demonstrates thick, thin, heavy, and flexible lines by changing pencil pressure and stroke style, and explains how each quality affects appearance.
Pupils’ Activity: Pupils practice making line qualities on their paper and compare results with classmates.
Learning Point: Line qualities depend on pressure, tool control, and stroke style.

Step 5: Using Lines to Construct Simple Objects

Time: 6 minutes
Teaching Skill: Guided Practice
Teacher’s Activity: The teacher demonstrates how to construct a simple object (chair or cup) using guide lines, outlines, and details, showing where to use thin and heavy lines.
Pupils’ Activity: Pupils observe the demonstration and attempt a similar construction on their paper.
Learning Point: Lines can form outlines, shapes, and details to construct objects.

Step 6: Pupils’ Practical Activity

Time: 6 minutes
Teaching Skill: Supervision and Coaching
Teacher’s Activity: The teacher gives pupils a simple object to draw (chair, book, cup), moves round to correct line direction, proportion, and line quality, and ensures neat finishing.
Pupils’ Activity: Pupils draw the selected object using appropriate line types and qualities, then add heavier final outlines.
Learning Point: Practice improves line control and object 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 line in drawing.
Mention five types of lines.
State four qualities of lines.
Explain four steps used to construct an object using lines.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 5 minutes
Teaching Skill: Summary and Reinforcement
Teacher’s Activity: The teacher summarizes the key points, highlights common errors in line control and proportion, and gives a short assignment to redraw the object neatly using better line qualities.
Pupils’ Activity: Pupils submit their work or make corrections and note the assignment.
Learning Point: Correct line types and qualities lead to clearer and neater drawings.

Lesson Keywords

Line – A continuous mark made by a moving point or tool.
Vertical line – A straight up-and-down line.
Horizontal line – A straight side-to-side line.
Wavy line – A curved line that rises and falls smoothly.
Spiral line – A line that circles around a point and moves inward or outward.
Zigzag line – A line with sharp turns and angles.
Line quality – The thickness, weight, and character of a line.
Construction – Building an object in drawing using guide lines, outlines, and details.

Differentiation

Pupils who need support will use simple templates and focus on drawing and labelling line types before attempting an object. Pupils who progress faster will construct two objects and show line qualities clearly by using light guide lines and heavier final outlines.

Note for teachers using this lesson plan

Use real classroom objects to make observation easy and improve accuracy. Emphasize neat control, correct proportion, and clear differences between thin guide lines and heavy final outlines during practical work.