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SCHEME OF WORK
Physics
Form 4 2024
TERM III
School




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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1 1
Mains Electricity
Domestic wiring
By the end of the lesson, the learner should be able to:


Explain the domestic wiring system
Describe the domestic wiring system

Discussions
Demonstrations on building wiring
Drawing circuits

Fuses
Wires
Switches
Electrical appliances
Comprehensive secondary physics students book 4 pages 66-69
teachers book 4 pages 27-29
Secondary physics KLB students book 4 page 125-121-122 
1 2
Mains Electricity
Domestic wiring
By the end of the lesson, the learner should be able to:


Explain the domestic wiring system
Describe the domestic wiring system

Discussions
Demonstrations on building wiring
Drawing circuits

Fuses
Wires
Switches
Electrical appliances
Comprehensive secondary physics students book 4 pages 66-69
teachers book 4 pages 27-29
Secondary physics KLB students book 4 page 125-121-122 
1 3-4
Mains Electricity
Cathode Rays
Domestic electrical appliances
Production of cathode rays
By the end of the lesson, the learner should be able to:


Explain the function of fuse in domestic wiring
Explain the function of a two-way switch in domestic wiring


Describe the production of cathode rays
State and explain the properties of cathode rays

Discussions
demonstration

Describing the production of cathode rays
Stating the properties of cathode rays

domestic electrical appliances

Chart on the properties of cathode rays
Comprehensive secondary physics students book 4 pages 66-69
teachers book 4 pages 27-29
Secondary physics KLB students book 4 page 125-122-124 
Comprehensive secondary physics students book 4 pages 72-73
teachers book 4 pages 30-32
Secondary physics KLB students book 4 page 131-133 
2 1
Cathode Rays
The cathode rays Oscilloscope
By the end of the lesson, the learner should be able to:


Explain the functioning of the cathode ray oscilloscope
Explain the functioning of a T.V tube

Discussions of parts and functions of C.R.O

Chart of parts and functions of C.R.O
Comprehensive secondary physics students book 4 pages 73-75
teachers book 4 pages 30-32
Secondary physics KLB students book 4 page 133-134 
2 2
Cathode Rays
The cathode rays Oscilloscope
By the end of the lesson, the learner should be able to:


Explain the functioning of the cathode ray oscilloscope
Explain the functioning of a T.V tube

Discussions of parts and functions of C.R.O

Chart of parts and functions of C.R.O
Comprehensive secondary physics students book 4 pages 73-75
teachers book 4 pages 30-32
Secondary physics KLB students book 4 page 133-134 
2 3-4
Cathode Rays
X-Rays
The cathode rays of Oscilloscope
Production of X-rays
By the end of the lesson, the learner should be able to:


Explain the uses of a C.R.O


Explain the production of x-rays
State and explain the properties of X-rays
Distinguish between hard and soft x-rays

Describing the working of a T.V tube

Demonstrations
Discussions
Calculations involving x-rays

T.V tube

X-ray tube
Charts
Comprehensive secondary physics students book 4 pages 73-75
teachers book 4 pages 30-32
Secondary physics KLB students book 4 page 139 
Comprehensive secondary physics students book 4 pages 80-84
teachers book 4 pages 35-36
Secondary physics KLB students book 4 page 144-148 
3 1
X-Rays
Dangers of x-rays
By the end of the lesson, the learner should be able to:


Explain and state the dangers of X-rays
Highlight the precautions to be undertaken when handling x-rays

Discussions
Explanations

Charts showing the dangers of x-rays
Hospital with x-ray equipment
Comprehensive secondary physics students book 4 pages 84
teachers book 4 pages 35-36
Secondary physics KLB students book 4 page 149 
3 2
X-Rays
Dangers of x-rays
By the end of the lesson, the learner should be able to:


Explain and state the dangers of X-rays
Highlight the precautions to be undertaken when handling x-rays

Discussions
Explanations

Charts showing the dangers of x-rays
Hospital with x-ray equipment
Comprehensive secondary physics students book 4 pages 84
teachers book 4 pages 35-36
Secondary physics KLB students book 4 page 149 
3 3-4
X-Rays
Photo Electric Effect
Uses of x-rays
Photo electric emissions
By the end of the lesson, the learner should be able to:

By the end of the lesson the learner should be able to
State the uses of X-rays
Explain the uses of X-rays

By the end of the lesson ,the learner should be able to
Perform simple experiments to illustrate photo electric effect
Describe simple experiments to illustrate photoelectric effect

Discussions

Experiments
discussions

Hospital with X-ray equipment

source of light
Metallic surfaces
Photo cell
Comprehensive secondary physics students book 4 pages 84
teachers book 4 pages 35-36
Secondary physics KLB students book 4 page 148
Comprehensive secondary physics students book 4 pages 87-88
teachers book 4 pages 38-40
Secondary physics KLB students book 4 page 151-152 
4 1
Photo-Electric
Factors effecting photoelectric emissions
By the end of the lesson, the learner should be able to:


State the factors affecting photo-electric emission
Explain the factors affecting the photoelectric emissions

Discussions
Demonstrations

charts
Comprehensive secondary physics students book 4 pages 88-90
teachers book 4 pages 38-40
Secondary physics KLB students book 4 page 156-158 
4 2
Photo-Electric
Factors effecting photoelectric emissions
By the end of the lesson, the learner should be able to:


State the factors affecting photo-electric emission
Explain the factors affecting the photoelectric emissions

Discussions
Demonstrations

charts
Comprehensive secondary physics students book 4 pages 88-90
teachers book 4 pages 38-40
Secondary physics KLB students book 4 page 156-158 
4 3-4
Photo-Electric
Plank?s constant
The quantum theory of light
By the end of the lesson, the learner should be able to:

Define plank?s constant threshold frequency work function and photoelectric effect
Explain threshold frequency, work function and photoelectric effect


Determine the energy of p photos
Apply the equation E=hf to calculate the energy of photos
Explain photoelectric effect using Einstein?s equation=hf+1/2mv2

Discussions
Demonstration

Discussions
Calculations

charts

Chart on the use of Einstein?s equation
Comprehensive secondary physics students book 4 pages 90-91
teachers book 4 pages 38-40
Secondary physics KLB students book 4 page 153-156 79
Comprehensive secondary physics students book 4 pages 90-92
teachers book 4 pages 38-40
Secondary physics KLB students book 4 page 153-156 0
5 1
Photo-Electric
Application of photoelectric effect
By the end of the lesson, the learner should be able to:


Explain the working of a
Photo emissive cell
Photo conductive cell
Photo voltaic cell

Demonstrations
Discussions

Charts on the photo cell and how it works
Solar panels
Watch cells
Comprehensive secondary physics students book 4 pages 92-93
teachers book 4 pages 38-40
Secondary physics KLB students book 4 page 160-163 
5 2
Photo-Electric
Application of photoelectric effect
By the end of the lesson, the learner should be able to:


Explain the working of a
Photo emissive cell
Photo conductive cell
Photo voltaic cell

Demonstrations
Discussions

Charts on the photo cell and how it works
Solar panels
Watch cells
Comprehensive secondary physics students book 4 pages 92-93
teachers book 4 pages 38-40
Secondary physics KLB students book 4 page 160-163 
5 3-4
Photo-Electric
Application of photoelectric effect
By the end of the lesson, the learner should be able to:


Explain the working of a
Photo emissive cell
Photo conductive cell
Photo voltaic cell

Demonstrations
Discussions

Charts on the photo cell and how it works
Solar panels
Watch cells
Comprehensive secondary physics students book 4 pages 92-93
teachers book 4 pages 38-40
Secondary physics KLB students book 4 page 160-163 
6 1
Radio Activity
Types of radiation
By the end of the lesson, the learner should be able to:


Describe the three types of radiations produced by radioactive elements

Discussions

Radiation
detectors
Comprehensive secondary physics students book 4 pages 96-100
Secondary physics KLB students book 4 page 167-171 
6 2
Radio-Activity
Detecting nuclear radiations
By the end of the lesson, the learner should be able to:

explain how a diffusion cloud chamber works

Demonstrations
discussions

Radiation detectors
Comprehensive secondary physics students book 4 pages 100
Secondary physics KLB students book 4 page 173-174 
6 3-4
Radio-Activity
Radio-active decay
By the end of the lesson, the learner should be able to:

define radio-active decay and half life

discussion

Charts on radio-active decay
Comprehensive secondary physics students book 4 pages 100-102
teachers book 4 pages 42-45
Secondary physics KLB students book 4 page 176-181 
7 1
Radio-Activity
Hazards of radioactivity
By the end of the lesson, the learner should be able to:



Explain the dangers of radioactive emissions


discussions

diffusion cloud chamber
Comprehensive secondary physics students book 4 pages 105-106
teachers book 4 pages 42-45
Secondary physics KLB students book 4 page 182 
7 2
Radio-Activity
Hazards of radioactivity
By the end of the lesson, the learner should be able to:



Explain the dangers of radioactive emissions


discussions

diffusion cloud chamber
Comprehensive secondary physics students book 4 pages 105-106
teachers book 4 pages 42-45
Secondary physics KLB students book 4 page 182 
7 3-4
Radioactivity
Electronics
Nuclear fission and fusion
Conductors and semi-conductors
By the end of the lesson, the learner should be able to:


Define nuclear fission and nuclear fusion
Write balanced nuclear equations
State the application of radioactivity


Differentiate between conductors and semi-conductors

Discussions
Problem solving

Discussions
Experiments

Periodic table

Some semi-conductors
Some insulator
Comprehensive secondary physics students book 4 pages 100-108
teachers book 4 pages 42-45
Secondary physics KLB students book 4 page 181-184 
Comprehensive secondary physics students book 4 pages 110-111
teachers book 4 pages 45-48
Secondary physics KLB students book 4 page 187-189 
8 1
Electronics
Intrinsic and extrinsic semi-conductors
By the end of the lesson, the learner should be able to:


Explain doping in semi-conductors
Explain the working of p-n junction diode
Distinguish between intrinsic and extrinsic semi-conductors

Discussions
Experiments

Samples of semi-conductors
Complete circuit
Transistors
Junction diode
Comprehensive secondary physics students book 4 pages 111-112
teachers book 4 pages 48-52
Secondary physics KLB students book 4 page 189-194 
8 2
Electronics
Intrinsic and extrinsic semi-conductors
By the end of the lesson, the learner should be able to:


Explain doping in semi-conductors
Explain the working of p-n junction diode
Distinguish between intrinsic and extrinsic semi-conductors

Discussions
Experiments

Samples of semi-conductors
Complete circuit
Transistors
Junction diode
Comprehensive secondary physics students book 4 pages 111-112
teachers book 4 pages 48-52
Secondary physics KLB students book 4 page 189-194 
8 3-4
Electronics
Intrinsic and extrinsic semi-conductors
Characteristics of p-n junction
By the end of the lesson, the learner should be able to:


Explain doping in semi-conductors
Explain the working of p-n junction diode
Distinguish between intrinsic and extrinsic semi-conductors



sketch the current voltage characteristics for a diode


Discussions
Experiments

Samples of semi-conductors
Complete circuit
Transistors
Junction diode

junction diode

Comprehensive secondary physics students book 4 pages 111-112
teachers book 4 pages 48-52
Secondary physics KLB students book 4 page 189-194 
Comprehensive secondary physics students book 4 pages 161-117
teachers book 4 pages 48-52
Secondary physics KLB students book 4 page 189-194 
9 1
Electronics
Applications of diodes
By the end of the lesson, the learner should be able to:


explain the application of diodes in rectifications

Discussions
Questions and answers

Chart showing the application of diode
Comprehensive secondary physics students book 4 pages 117-120
teachers book 4 pages 48-52
Secondary physics KLB students book 4 page 198-201 
9 2
Electronics
Applications of diodes
By the end of the lesson, the learner should be able to:


explain the application of diodes in rectifications

Discussions
Questions and answers

Chart showing the application of diode
Comprehensive secondary physics students book 4 pages 117-120
teachers book 4 pages 48-52
Secondary physics KLB students book 4 page 198-201 
9 3-4
Electronics
Applications of diodes
By the end of the lesson, the learner should be able to:


explain the application of diodes in rectifications

Discussions
Questions and answers

Chart showing the application of diode
Comprehensive secondary physics students book 4 pages 117-120
teachers book 4 pages 48-52
Secondary physics KLB students book 4 page 198-201 

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