Lesson Notes By Weeks and Term v4 - JHS 1
COMMUNICATING DESIGNS
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COMMUNICATING DESIGNS
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Subject: Career Technology
Class: JHS 1
Term: 3rd Term
Week: 4
Grade code: B7.5.1.1.4
Strand code: 5
Sub-strand code: 1
Content standard code: B7.5.1.1
Indicator code: B7.5.1.1.4
Theme: DESIGNING AND MAKING OF ARTEFACTS/PRODUCTS
Subtheme: COMMUNICATING DESIGNS
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This lesson introduces learners to the fundamental skill of sketching. Sketching is the first step in bringing an idea to life. Before a carpenter builds a chair, a tailor sews a dress, or an engineer designs a new machine, they all start with a simple sketch. It is a quick, powerful way to think on paper, share ideas with others, and plan a project without wasting materials. In Ghana, from our talented Kente weavers to the artisans at Kokompe, sketching helps turn creative thoughts into tangible products that we use every day. This lesson will equip learners with the basic skills to visually communicate their own design ideas.
A. What is a Sketch?
A sketch is a quick, freehand drawing that is not intended to be a finished work. Think of it as a "rough draft" of an idea. Freehand: This means you draw it without using tools like rulers, stencils, or compasses. Your hand guides the pencil directly. Quick and Rough: The goal is speed, not perfection. Lines may not be perfectly straight, and circles may not be perfectly round. That is okay! Purpose: The main purpose of a sketch is to communicate an idea visually. It helps you to: Brainstorm: Quickly draw many different ideas. Plan: Figure out the shape, size, and parts of an object before you start making it. Explain: Show someone else what you are thinking when words are not enough.
Sketch vs. Technical Drawing: A sketch is the first idea. A technical drawing is a very precise, detailed drawing made later with tools, showing exact measurements for construction. Today, we are focusing only on sketching. B. The Building Blocks of Sketching: Basic 3D Shapes
Almost every object you see around you can be broken down into a combination of simple 3D shapes. If you can draw these shapes, you can draw anything!