BASIC ELECTRONICS
SS 1 THIRD TERM
WEEK
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TOPIC/CONTENT
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ACTIVITIES
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1
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MAGNETS AND MAGNETIC FIELD
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Definition of terms, magnetism, magnetic poles, magnetic field and magnetic materials.
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Temporary and permanent magnets.
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Teacher; explains the meaning of the following terms;
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Magnetism
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Magnetic poles
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Magnetic field
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Magnetic materials.
Students participate in class discussion.
Instructional Materials; Magnetic materials.
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2
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MAGNETIC AND MAGNETIC FIELD
Temporary and permanent magnets.
Differentiate between temporary and permanent magnets.
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Teacher leads discussion on the differences between permanent and temporary magnets.
Instructional Materials; Bar magnets, iron fillings, zip drive, magnetic tapes, floppy disk.
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3
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MAGNETS AND MAGNETIC FIELD
The law of attraction and repulsion.
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Teacher explains the laws of attraction and repulsion.
Directs students to state the law of attraction and repulsion.
Students to demonstrate law of attraction and repulsion using two bar magnets, and iron fillings.
Instructional Materials; Bar magnets, iron filling, etc.
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4
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MAGNETS AND MAGNETISM
Application of magnetism (zip-disk, floppy disk, hard disk, etc).
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Teacher states the application of magnetism. Students identify application areas of magnetism (appliances and equipments). Instructional Materials; Appliance and equipments.
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5
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MAGNETS AND MAGNETISM
Demonstration of law of attraction and repulsion.
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Teacher to guide students on demonstration of laws of attraction and repulsion.
Instructional Materials Bar magnets, iron filling.
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6
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ELECTRO-MAGNETISM
Explanation of terms;
1 Electric field.
2 Electro-magnet.
3 Electro-magnetism
4 Inductance.
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Teacher explain the terms; electric field, electro-magnet, electro-magnetism, inductance.
Students define terms; electric field, electro-magnet, electro-magnetism.
Instructional Materials Charts showing electro-magnetism diagrams.
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7
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Application of electro-magnetism (e.g. electric bell, relay transformer, etc).
Construction of any of the following, (electric bells, relays, and transformer).
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Teacher explains application areas of electro-magnetism. Students list the applications of magnetism chart showing application areas of electro-magnetism.
Teacher shows the construction of electric bells, relays, transformer etc. students practice the construction of an electric bell, relay and transformer.
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8
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ELECTRIC EMISSION
Concepts of thermionic emission, photo electric emission, secondary and field emission.
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Teacher explains the different types of electron emission. Students listen attentively.
Instructional Materials; Pictures showing the different types of emission.
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9
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ELECTRIC EMISSION
Application of electronic emission. Differences between the types of electron emission.
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Teacher discusses the application of electron emission. The different types of electron emission.
Students differentiate the four types of electron emission. Instructional Materials; Different types of thermionic values, charts, software.
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10
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SEMI-CONDUCTORS
Concept of semi-conductor, semi-conductor materials (silicon germanium etc)
Doping of semi-conductor material. Formation of
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Teacher explains the concept of semi- conductor, guides the students to identify semi- conductor materials, explains how doping of semi-conductor is achieved.
Students participate in class, ask and answer questions.
Explain concept of semi-conductor.
List the types of semi-conductor.
Explain how doping of semi-conductor is achieved.
Instructional Materials; Pictures of semi-conductor materials, software.
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11
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SEMI-CONDUCTORS.
Forward and reverse bias of semi-conductors. Concepts and principle of operation of diode (forward and reverse bias).
Types of diodes and rating.
Identification of the following;
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P-N junction diodes.
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Zeior diodes, tunnel diodes, light emitting diodes (LED diodes).
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Teacher discusses the process the process of P-type and N-type semi-conductor.
Explain the forward and reverse biasing of semi- conductor.
Students explain the process of formation of P-type and N-type semi-conductor.
Explain the forward and reverse biasing of semi-conductor.
Instructional Materials; Picture of semi-conductor materials, software.
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12
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Voltage, current and power rating of diode. Application of diodes (rectification, detection and instrument protection).
Construction of simple circuit using semi-conductive diodes.
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Teacher explains the concept of diodes. Guide students to differentiate the types of diodes. Directs discussion on the operational principles of semi-conductor diodes. Explain the rating of diode.
States the application of the different types of diodes.
Constructs simple circuits using semi-conductor diodes.
Assorted kinds of semi-conductor diodes, chart containing pictures of different diodes.
Instructional Materials; Software on semi-conductor diodes.
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13
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Revision
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Revision
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14
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Examination
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Examination
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AUTO MECHANIC WORK
SS 1 FIRST TERM
WEEK
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TOPIC/CONTENT
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ACTIVITIES
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1
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SAFETY
Definition of safety.
Definition of workshop
Meaning and causes of workshop accidents.
Accident prevention techniques.
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Define safety, and workshop.
Explain the causes of workshop accident.
Students participate actively in class discussion.
Charts and posters showing workshop and accident pictures.
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2
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SAFETY; accidents prevention techniques.
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Explain what accident is, emphasize different ways of preventing accidents- (safety rules and regulations. Students contribute by mentioning other ways of preventing accidents.
Charts and posters, magnetic marker board.
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3
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SAFETY
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Explain safety devices and their applications. Students participate in mentioning other safety devices.
Safety devices; fire extinguisher, sand, bullats.
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4
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HAND TOOLS/MAINTENANCE
Definition of a hand tool. Types and uses of hand tools (measuring, cutting, boring, bench, and golding tools).
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Define hand tool, sketch and explain hand tools, types and uses. Students observe hand tools, sketch hand tools, state uses of hand tools.
Hand tools, charts and posters, soft ware of hand tools, projector.
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5
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HAND TOOLS/MAINTENANCE
Hand tools maintenance care in handling hand tools.
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Teacher explain how to maintain hand tools.
Students state and explain how to maintain hand tools.
Hand tools, cleaning and maintaining items.
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6
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WORKSHOP EQUIPMENTS AND MAINTENANCE
Definition of equipments.
Types and uses, e.g compressor, battery charger, wheel balancing and alignment gauge.
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Sketch, define and explain types of equipments.
Students observe and sketch equipments.
Equipment chart and posters, equipment soft wares.
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7
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MAINTENANCE OF EQUIPMENTS
Equipment maintenance
Types of maintenance
Importance of maintenance.
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Explain how to maintain equipments, state and explain types of maintenance, explain importance of maintenance. Students explain how an equipment can be maintained. Equipment soft-ware.
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8
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THE CHASSIS
Explanation of chassis,
Types of motor vehicle chassis.
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Teacher introduces students to vehicle layout, explain types of chassis.
Students identify the vehicle layout.
Sketch of chassis layout, lesson plan, posters, charts, types of chassis layout models.
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9
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THE CHASSIS
Principle components of motor vehicle; identification of engine, transmission system, chassis members, breaking system, suspension system as are mounted on the chassis, diagrammatical illustrations.
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Teacher lists the main components, such as engine, gearbox, clutch, chassis rear axle, wad wheels and vehicle body.
Students inspect types of vehicle chassis and various components stated, identify the various components.
Various components of chassis layout.
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10
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THE CHASSIS
Functions of each principal components and uses.
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Teacher explains the functions and uses of the chassis components. Students participate in the discussion and explain the importance of various components.
Chassis assembly with various components, charts showing the assently.
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11
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ENGINE
Types of engine design
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Teacher explains the types of engine design, e.g single cylinder, multi cylinder, unline and V-engine designs.
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12
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ENGINE
Identification of main components of engine
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Teacher lists main components of engine, lists parts of engine, shows and explain sketches of engine, showing details, and explains the importance of various components. Students visit a workshop to observe the various components of engines.
Complete engine chart and posters.
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13
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Revision
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Revision
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14
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Examination
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Examination
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AUTO MECHANIC WORK
SS 1 SECOND TERM
WEEK
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TOPIC/CONTENT
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ACTIVITIES
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1
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TYPES OF ENGINE
Line diagrams of multi cylinder engines and explanation.
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Teacher draws and explain line diagram of multi-cylinder engine. Students participate in the discussion.
Resources; Engine block of a multi-cylinder engine.
Charts and posters.
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2
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TYPES OF ENGINE
Types of cylinder liners e.g dry and wet.
Constructional details of cylinder liners.
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Teacher illustrates and explains types of cylinder liners.
Differentiate between types of liners and state the advantages and disadvantages. Students identify different cylinder liners, and explain their differences.
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3
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TRANSMISSION SYSTEM
Transmission system layout (the engine, clutch, gearbox, universal joint, propeller shaft, rear axle and half shafts.
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Teacher sketch and display the layout of transmission system, explain the components of transmission system.
Students identify and examine transmission layout, mention the components in sequential order.
Resources; Charts, transmission models, posters, live vehicle.
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4
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TRANSMISSION SYSTEM
Types of drive (front engine front wheel drive, rear engine rear wheel drive.)
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Teacher explains types of engine and driving arrangements. Students observe different types of driving arrangements, identify the various types of vehicle and their driving arrangement. Resources; Posters, charts, live vehicles.
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5
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TRANSMISSION SYSTEM
Types of suspension system with their functions e.g laminated spring, coil, spring and fusion bar.
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Teacher explain and illustrate the types of suspension system (laminated spring, coil spring, fusion bar, etc). list functions of suspension system.
Students observe and identify types of suspension system. Lists functions of suspension systems.
Resources; Suspension system components, charts, posters.
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6
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STEERING SYSTEM
Functions of steering
Components of steering system, e.g kingpin, steering column, stub axle, steering box.
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Teacher explain the functions of steering, illustrate the components of steering. Students observe the components of steering system.
Resources; Steering system components, posters, charts.
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7
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STEERING SYSTEM
Types of steering boxes with their functions e.g raw and pinon cam and worm redrculating balls etc.
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Differentiate between types of steering boxes. Students identify types of steering boxes.
Resources; Steering boxes, charts, posters.
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8
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ENGINE LUBRICATING AND COOLING SYSTEM
Friction, merits and demerits of friction.
Purpose of lubricating system e.g of passages, pump, filters etc.
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Teacher explain friction with merits and demerits, explain reasons for lubricating system, demonstrate existence and uses of lubrication, show students types of lubricants, and areas of application. Students rub palms and explain why they become warm. Rub two surfaces on each other with oil and without oil, and note the differences.
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9
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ENGINE LUBRICATION AND COOLING SYSTEM
functions of cooling system
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Teacher defines cooling system, and emphasize the need for cooling system. Students notice the effect of lack of water in running an engine.
Resources; Posters, charts.
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10
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COOLING SYSTEM
Types of cooling system,
Components of cooling system e.g radiator, water pump, hoses, cooling fan with passages.
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Teacher lists and explain types of cooling system, demonstrate the cyculation of water in cooling system and state the role of the role of the system components. students mention in sequence, the function of the components of cooling system. Resources; Line vehicle, cooling system components, charts, posters.
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11
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Revision
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Revision
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12
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Examination
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Examination
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AUTO MECHANIC WORK
SS 1 THIRD TERM
WEEK
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TOPIC/CONTENT
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ACTIVITIES
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1
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BRAKING SYSTEM
Basic concept of friction as applied to braking system
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Teacher explains the importance of brakes and braking system in a motor vehicle. Students say what brake does with a moving vehicle.
Resources; Live vehicle, brake components.
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2
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BREAKING SYSTEM
Functions of braking system.
Drum brakes and disc brakes.
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Teacher state the functions of braking system, list and explain types of brake i.e drum and disc. Students identify disc and drum brake, say where in a motor vehicle each type is mostly found.
Resources; Live vehicle, disc and drum.
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3
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BRAKING SYSTEM
Types and principle of operation of mechanical and hydraulic brake systems.
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The teacher, with the aid of sketches, explains mechanically and hydraulically operated brakes. Students identify and distinguish mechanical and hydraulic brakes.
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4
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BRAKING SYSTEM Components of types of braking system e.g master cylinder, wheel cylinder, pipe lines, calipers, disc, shoes, pedal, linkages, actuating rods etc.
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Teacher list and explain the hydraulic brake system, components and the mechanical braking components. Students differentiate components of hydraulic brake system, and mechanical brake system.
Resources; Live vehicle, components of bolt system of brakes, charts and posters.
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5
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BRAKING SYSTEM
Advantages and disadvantages of mechanical and hydraulic brake systems.
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Teacher list and explain the advantages and disadvantages of the two types of brake systems. Students white brake has more advantages, and efficient operation.
Resources; Lesson plan, chart.
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6
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FUEL AND COMBUSTION
General layout of working principle of fuel system.
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Teacher list and explain types of fuel e.g petrol, diesel, paraffin, etc.
Students examine the layout of the fuel system.
Resources; Fuel pump, fuel hose, fuel filter- live vehicle.
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FUEL AND COMBUSTION
Components and part of fuel system and illustration e.g. fuel pump, carburetor, float, float chamber etc
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Teacher illustrates the components and part of fuel system using sketches.
Students visit workshop to see a live vehicle and model fuel system layout.
Resources; Workshop, fuel system layout, live vehicle.
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8
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MANIFOLD
Functions of manifold, types of manifold e.g. inlet and exhaust manifold.
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Teacher state and explain function of manifold- demonstrate how to remove and replace manifold. Students identify inlet and exhaust manifold, and say what each do.
Resources; Manifolds, charts, posters, live vehicle.
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9
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RIMS
Functions of RIMS
Types of RIMS
Sizes of RIMS
Removing and fixing of RIMS, tools used.
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Teacher explains the function of RIM, illustrate types of RIM, remove and replace RIMS. Students identify types and sizes of RIMS, observe the dismantling and coupling of RIM. Resources; Alloy RIMS, press steel RIMS, chart and posters, RIM removing tools.
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10
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TYRES
Function of tyres, sizes of tyres e.g. tyre designation.
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The teacher states the functions of tyres, list and explain types of tyre- tube and tubeless.
Students distinguish tube from tubeless tyre.
Resources; Tubeless tyre, tube tyre, lesson plan.
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11
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TYRES
Advantages and disadvantages of tube and tubeless tyres.
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Teacher list and explain the advantages and disadvantages of tube and tubeless tyres.
Students identify the tyres, based of most efficient type.
Resources; Tube and tubeless tyre, lesson plan.
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12
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Revision & Examination
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Revision & Examination
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