JSS3 Basic Technology Scheme of Work

Nigeria • NERDC-aligned Junior Secondary School 3

Basic Technology — JSS3

Term-by-term breakdown for JSS3 Basic Technology, aligned with BECE/NERDC guidance.

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Syllabus Topics

JSS3
  1. Processing of Materials
    1. Timber: processing concepts (growth, felling, conversion, seasoning), properties, defects, preservation and importance
    2. Metals: processing (smelting, casting), pros/cons, alloys — examples, properties, uses
    3. Clay, ceramics and glass: processing methods, pros/cons, production and uses
    4. Plastics and rubber: examples, processing, pros/cons, uses
  2. Isometric Drawing
    1. Examples; isometric drawing of simple shape blocks (without curves)
  3. Oblique Drawing
    1. Examples; simple oblique drawings
  4. Orthographic Projection
    1. Meaning; principal planes; angles of projection; principal views
    2. Placing views in quadrants; dimensioning techniques
  5. One Point Perspective Drawing
    1. Meaning, examples, principles; practice
  6. Scales and Scale Drawing
    1. Measuring and comparing given size
    2. Scale drawing: full size (1:1), reductions (1:5, 1:10, 1:20…), enlargements (2:1, 3:1…)
  7. Drawing of Plans and Blue-prints
    1. Common symbols and interpretations; identification of building components on plans
  8. Wood Work Projects
    1. Production of objects: tables, stools, boxes, frames, tee-square, pot stand, book-rack/stand, shelf
  9. Metal Work Projects
    1. Bottle openers; trash bins/cans, coal pots; metal stools, chairs, benches
  10. Soldering and Brazing
    1. Meaning; tools and materials; operations, types and uses
  11. Machines Motion
    1. Linear: lever arrangements, slides and slots
    2. Rotary: one-way and reversible (e.g., shafts, drums of cranes, brakes, clutches)
    3. Principles and applications; conversion between rotary and linear (rack and pinion, screws, crank and slider, connecting rod and piston)
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