SECOND TERM SCHEME OF WORK FOR BASIC TECHNOLOGY JSS 3 (BASIC 9)
Junior Secondary School Curriculum Basic Technology – Edudelight.com
NERDC Curriculum Basic Technology JSS3
JSS2 Second Term Basic Technology Curriculum Lagos State
Week 1 – Mechanical energy (friction and its effect)
- Advantages and disadvantages of friction
- Lubrication and its importance
Week 2 –
- Gears, Belt and Chain drive
- Gears ratio and speed ratio
- Calculation of gear ratio and speed ratio
Week 3 –
- Motion and types of motion
- Devices that exhibit rotary motion
- Conversion of rotary motion to linear motion
Week 4 –
- Laws of motion
- Newton’s first, second and third laws of motion
Week 5 –
- Air flow and pneumatics
- Bernaulli’s principle
Week 6 – Hydraulic presses and pneumatic devices
Week 7 – Water wheels
Week 8 – Turbines etc
Week 9 – Method of joining metals. E.g soldering and types
Week 10 – Welding and types of welding
Week 11 – Forging, riveting, belt and nuts
Week 12 – Floors, doors and windows
SECOND TERM SCHEME OF WORK FOR BASIC TECHNOLOGY JSS 3 (BASIC 9) – MODIFIED I
Week 1; revision of last terms work
Week 2; building components [foundation]
Week 3; windows, doors and roofs
Week 4; wood work project
Week 5; wood work project
Week 6; metal joining
Week 7; metal work project
Week 8; motion in engineering
Week 9; simple electrical wiring
Week 10; wiring tools and materials
Week 11; revision
Week 12; examination
SECOND TERM SCHEME OF WORK FOR BASIC TECHNOLOGY JSS 3 (BASIC 9) – MODIFIED II
1. Revision of first term work
2. Mechanical energy transmission system. (a) Friction (b) effects of friction (c) advantages and disadvantages of friction (d) methods of reducing friction (e) belt and chain drive (f) comparison with the gear drive
3. Mechanical energy transmission system. Gear. (i) Gears and gearing systems and related calculations. (ii) types of gears; internal gear, external gear,… (iii) uses of gears; power transmission, changing of direction, for selecting speed(iv) gear ratios and speed ratio (V) friction between meshed gears.
4. Mechanical energy transmission system. Motion (i) linear motion (ii) lever arrangement to produce linear motion (iii) uses of slides and slot in mechanical system (iv) Rotary motion, types of rotary motion – one way rotary motion and the reversible rotary motion. (v) Conversion of rotary motion to linear motion
5. Mechanical energy transmission system. Airflow. (i) Speed and pressure relationship in air flow. (ii) Variation of air pressure and air speed and their applications. Pneumatics; (i) simple hydraulics and pneumatics devices; simple force pump, double acting pump,… (ii) Compressed air devices, hydraulic jacks, simple garden sprinkler, reaction turbine, water wheel
6. Simple electrical wiring: (a) electrical circuit: series and parallel circuits (b) wiring tools and materials; pliers, hammer, screw driver, clips, wooden blocks, cables, etc. (c) accessories: switches, lamp holders, etc
7. Building (a) foundation (i) definition and function of foundation: support and weight of walls, roofs and inhabitants (ii) foundation types: strip, stepped, raft etc. (iii) types and properties of soil (iv) hand tools and plant for excavation: diggers, shovels, excavator, etc. (b) walls; (i) materials for making walls: grass, zinc, curtain, bricks, etc. (ii) types of walls: walls grass, zinc, curtain bricks etc. (iii) materials for bonding
8. Building (c) floors: (i) floor: basement, ground floor, first floor, etc. (ii) DPC (d) doors, windows and openings (i) Doors: flush door, glazed, sliding, revolving, etc. (ii) windows: louver, sliding, casement, etc (iii) lintel
9. Building (e) Roofs (i) types of roof: flat roof, double pitched, lean-to Gable, etc (ii) roofing materials: grass, zinc, aluminium, etc. (f) simple blue print reading (I) sanitary wares: sink, bath, showers, etc. soak-away, septic tank, socket, windows, doors, room, etc.
10. Practical projects.
