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Form 4 2025
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
2 1
Electrostatics Ii
Electric field patterns
By the end of the lesson, the learner should be able to:


Sketch electric field patterns around charged bodies

Discussion on electric field patterns
Observing and plotting field patterns

Charts on magnetic fields
Comprehensive secondary physics students book 3 pages 76-77
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 222-225
P
2 2
Electrostatics Ii
Electric field patterns
By the end of the lesson, the learner should be able to:


Sketch electric field patterns around charged bodies

Discussion on electric field patterns
Observing and plotting field patterns

Charts on magnetic fields
Comprehensive secondary physics students book 3 pages 76-77
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 222-225
P
2 3-4
Electrostatics Ii
Charge distribution on conductors
By the end of the lesson, the learner should be able to:


Describe charge distribution on conductors:
Spherical and pear shaped conductors

Discussions on charge distribution on conductors
Experiment is demonstrated/illustrate charge distribution on conductors

Vande Graaf generator
Chart showing charge distribution on different conductors
Gold leaf electroscope
Comprehensive secondary physics students book 3 pages 77-78
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 225-228 
2 5
Electrostatics Ii
Charge distribution on conductors
By the end of the lesson, the learner should be able to:


Describe charge distribution on conductors:
Spherical and pear shaped conductors

Discussions on charge distribution on conductors
Experiment is demonstrated/illustrate charge distribution on conductors

Vande Graaf generator
Chart showing charge distribution on different conductors
Gold leaf electroscope
Comprehensive secondary physics students book 3 pages 77-78
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 225-228 
3 1
Electrostatics Ii
Lighting arrestor
By the end of the lesson, the learner should be able to:


Explain how lightning arrestor works

Discussions on the lighting arrestor
Explanations on the lighting arrestor

Improvised lighting arrestor
Photographs of lightning arrestor
Comprehensive secondary physics students book 3 pages 79-80
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 229-230 
3 2
Electrostatics Ii
Capacitance
By the end of the lesson, the learner should be able to:


Define capacitance and state its SI units
Describe the charging and discharging of a capacitor
State and explain the factors that affect the capacitance of a parallel plate capacitor

Experiments on charging and discharging capacitor
Discussion on factors affecting capacitance
Defining capacitance

Complete circuits
capacitors
Comprehensive secondary physics students book 3 pages 80-82
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 230-237
3 3-4
Electrostatics Ii
Capacitance
By the end of the lesson, the learner should be able to:


Define capacitance and state its SI units
Describe the charging and discharging of a capacitor
State and explain the factors that affect the capacitance of a parallel plate capacitor

Experiments on charging and discharging capacitor
Discussion on factors affecting capacitance
Defining capacitance

Complete circuits
capacitors
Comprehensive secondary physics students book 3 pages 80-82
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 230-237
3 5
Electrostatics Ii
Combinations of capacitors
By the end of the lesson, the learner should be able to:


Derive the effective capacitance of capacitors in series and parallel

Deriving effective capacitance of capacitors in series and parallel
Solving problems
Discussion in the effective capacitance

Capacitors in series and parallel connections
Charts showing complete circuits
Comprehensive secondary physics students book 3 pages 80-82
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 237-241 
4 1
Electrostatics Ii
Energy stored in a charged capacitor
By the end of the lesson, the learner should be able to:


Describe the energy stored in a charged capacitor

Describing the energy stored in a charged capacitor

Capacitors
Dry cells
Charts on capacitors used
Comprehensive secondary physics students book 3 pages 82
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 244 
4 2
Electrostatics Ii
Energy stored in a charged capacitor
By the end of the lesson, the learner should be able to:


Describe the energy stored in a charged capacitor

Describing the energy stored in a charged capacitor

Capacitors
Dry cells
Charts on capacitors used
Comprehensive secondary physics students book 3 pages 82
Comprehensive secondary physics teachers book 3 pages 34-39
Secondary physics KLB students book 3 page 244 
4 3-4
Quantity Of Heat
Heat capacity Specific heat capacity Units of heat capacity
By the end of the lesson, the learner should be able to:

By the end of the lesson the learner should be able to
Define heat capacity and specific heat capacity and derive their SI units

Experiments on heat capacity and specific heat capacity
Discussion on heat capacity and specific h eat capacity
Defining heat capacity and heat specific heat capacity

Source of heat
Water
Lagged can
Thermometer
Comprehensive secondary physics students book 3 pages 93-96
Comprehensive secondary physics teachers book 3 pages 42-46
Secondary physics KLB students book 3 page 246-260-271 
4 5
Quantity Of Heat
Change of state
By the end of the lesson, the learner should be able to:

By the end of the lesson the learner should be able to define and explain latent heat of fusion, specific latent heat of fusion
Define and explain latent heat of vaporization, specific latent heat of vaporization
State the SI units of latent heat of fusion and latent heat of vaporization

Experiments on latent heat of fusion and latent heat of vaporization
Discussion on latent heat of fusion and latent heat of vaporization

File
Water
Thermometer
Weighing balance
Source of heat
Comprehensive secondary physics students book 3 pages 96-97
Comprehensive secondary physics teachers book 3 pages 42-46
Secondary physics KLB students book 3 page 246-271-281 
5 1
Quantity Of Heat
Boiling and melting
By the end of the lesson, the learner should be able to:


Distinguish between boiling and melting
State the factors affecting melting points and boiling points of a substance
Describe the working of a pressure cooker and a refrigerator

Distinguishing between boiling and melting points
Stating factors affecting boiling and melting points
Experiments to illustrate boiling and melting point

Pressure cooker
Refrigerator
Charts on melting and boiling points
Ice
Heat
Sufuria
water
Comprehensive secondary physics students book 3 pages 97-101
Comprehensive secondary physics teachers book 3 pages 42-46
Secondary physics KLB students book 3 page 246-282-288 
5 2
The Gas Laws
Pressure law
By the end of the lesson, the learner should be able to:


State and verify the gas laws for an ideal gas experimentally

Experiments to verify pressure law
Demonstrations on pressure law
Discussion on pressure law

Water
Thermometer
Measuring cylinder
Syringe
Narrow glass tube
Comprehensive secondary physics students book 3 pages 103-104
Comprehensive secondary physics teachers book 3 pages 47-50
Secondary physics KLB students book 3 page 299-302
5 3-4
The Gas Laws
Pressure law
Charles?s law
By the end of the lesson, the learner should be able to:


State and verify the gas laws for an ideal gas experimentally


State and verify Charles?s law experimentally

Experiments to verify pressure law
Demonstrations on pressure law
Discussion on pressure law

Experiments to verify Charles?s law
Discussion on Charles?s law

Water
Thermometer
Measuring cylinder
Syringe
Narrow glass tube

Water
Thermometer
Measuring cylinder
Syringe
Narrow glass tube
Comprehensive secondary physics students book 3 pages 103-104
Comprehensive secondary physics teachers book 3 pages 47-50
Secondary physics KLB students book 3 page 299-302
Comprehensive secondary physics students book 3 pages 105-106
Comprehensive secondary physics teachers book 3 pages 47-50
Secondary physics KLB students book 3 page 295-298 
5 5
The Gas Laws
Charles?s law
By the end of the lesson, the learner should be able to:


State and verify Charles?s law experimentally

Experiments to verify Charles?s law
Discussion on Charles?s law

Water
Thermometer
Measuring cylinder
Syringe
Narrow glass tube
Comprehensive secondary physics students book 3 pages 105-106
Comprehensive secondary physics teachers book 3 pages 47-50
Secondary physics KLB students book 3 page 295-298 
6 1
The Gas Laws
Boyle?s law
By the end of the lesson, the learner should be able to:


State and verify Boyle?s law experimentally

Experiments verifying and explain Boyle?s law
Discussion on Boyle?s law

Water
Thermometer
Syringe
Measuring cylinder
Narrow glass tube
Comprehensive secondary physics students book 3 pages 106-107
Comprehensive secondary physics teachers book 3 pages 47-50
Secondary physics KLB students book 3 page 290-294
6 2
The Gas Laws
The kinetic theory of gases
By the end of the lesson, the learner should be able to:


Convert Celsius scales to Kelvin scale of temperature and state basic assumptions of kinetic theory of gases

Discussion on basic assumptions of kinetic theory of gases
Conversion of Celsius to Kelvin scales

Graph paper
Clinical thermometer
Comprehensive secondary physics students book 3 pages 110-111
Comprehensive secondary physics teachers book 3 pages 50-51
Secondary physics KLB students book 3 page 107
6 3-4
Lenses
Conveying and diverging lenses
Parts of fair lenses
By the end of the lesson, the learner should be able to:

By the end of the lesson the learner should be able to
Describe converging lenses
Describe diverging lenses


Describe the principal focus using ray diagram
Describe the optical center using ray diagram
Describe the focal length of thin lenses using ray diagram

Using light beams to distinguish between diverging and converging lenses

Description of principal focus, optical centre and focal length of a thin lens

Diverging lenses
Converging lenses
Source of light beam
screen

Chart showing the parts of thin lens
Graph paper
Diverging lens
Converging lens
Comprehensive secondary physics students book 4 pages 1-2
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 1
Comprehensive secondary physics students book 4 pages 1-3
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 6-7 
7

Mid Term Exam

8

Half Term Break

9 1
Lenses
Focal length
By the end of the lesson, the learner should be able to:


Determine experimentally the focal length of a converging lens
Determine the focal length of a converging lens using estimation method

Experiment to determine the focal length of a fair lens

Converging lenses
Screen
Pins
candle
Comprehensive secondary physics students book 4 pages 2-3
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 17-20 
9 2
Lenses
Images in fair lenses
By the end of the lesson, the learner should be able to:


Construct the principal rays for converging lens
Construct the principal rays for diverging lenses

Constructing the principal rays for diverging lenses
Constructing the principal rays for converging lenses

Converging lenses
Diverging lenses
Graph papers
Ruler
Comprehensive secondary physics students book 4 pages 3-6
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 7-12 
9 3-4
Lenses
Images in converging lenses
By the end of the lesson, the learner should be able to:


Locate imaged formed by converging lenses using ray construction method
Describe the images formed in converging lenses

Describing the characteristics of images formed in converging lenses

Graph paper
Geometrical set
Converging lenses
screen
Comprehensive secondary physics students book 4 pages 5-6
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 7-10 
9 5
Lenses
Images in diverging lenses
By the end of the lesson, the learner should be able to:


Locate imaged formed by diverging lenses using ray construction method
Describe the images formed in diverging lenses

Describe the characteristics of the formed in diverging lenses
Graph paper
Geometrical set
Diverging lenses
Screen
Comprehensive secondary physics students book 4 pages 5
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 11 
10

Pre-Mock Exam

11 1
Lenses
The microscope
By the end of the lesson, the learner should be able to:


Explain the working of a simple microscope
Explain the working of a compound microscope

Drawing and labeling the parts of a microscope
Describing the work of a microscope

Simple microscope
Compound microscope
Magnifying lens
Comprehensive secondary physics students book 4 pages 10-11
teachers book 4 pages 1-5 
11 2
Lenses
The microscope
By the end of the lesson, the learner should be able to:


Explain the working of a simple microscope
Explain the working of a compound microscope

Drawing and labeling the parts of a microscope
Describing the work of a microscope

Simple microscope
Compound microscope
Magnifying lens
Comprehensive secondary physics students book 4 pages 10-11
teachers book 4 pages 1-5 
11 3-4
Lenses
The telescope
By the end of the lesson, the learner should be able to:


Describe the structure of a telescope
Describe the working of a telescope

Drawing and labeling the parts of a telescope
Describing how a telescope works

Telescope
Lenses
Manilla paper
Comprehensive secondary physics students book 4 pages 11
teachers book 4 pages 1-5
11 5
Lenses
The camera
By the end of the lesson, the learner should be able to:


Describe the parts of a camera
Explain the working of a camera
Explain the use of lenses in a camera

Describing the parts of a camera
Explaining the use of lenses in a camera

Camera
Charts showing the parts of a camera
Comprehensive secondary physics students book 4 pages 11-12
teachers book 4 pages 1-5
Secondary physics KLB students book 4 page 33 
12 1
Lenses
Image formation in the human eye
By the end of the lesson, the learner should be able to:


Describe the parts of a human eye
Explain the function of each part of the human eye

Describing the parts of the human eye
Explaining the function of each part of the human eye

Chart showing the parts of human eye
Model of the human eye
Comprehensive secondary physics students book 4 pages 12-13
teachers book 34pages 1-5
Secondary physics KLB students book 4 page 29-31
12 2
Lenses
Working of the human eye
By the end of the lesson, the learner should be able to:


Explain the image formation in the human eye

Explaining the image formation in the eye

Chart showing the image formation in the human eye
Comprehensive secondary physics students book 4 pages 13-14
teachers book 34pages 1-5
Secondary physics KLB students book 4 page 29-31
12 3-4
Lenses
Working of the human eye
Defects of vision
By the end of the lesson, the learner should be able to:


Explain the image formation in the human eye


Describe the defects of the human eye
Explain the corrections of human eye defects

Explaining the image formation in the eye

Describing the defects of the human eye
Explaining the eye defects are corrected

Chart showing the image formation in the human eye

Charts showing eye defects and how they are corrected
Comprehensive secondary physics students book 4 pages 13-14
teachers book 34pages 1-5
Secondary physics KLB students book 4 page 29-31
Comprehensive secondary physics students book 4 pages 13-14
teachers book 34pages 1-5
Secondary physics KLB students book 4 page 31-32
12 5
Lenses
Defects of vision
By the end of the lesson, the learner should be able to:


Describe the defects of the human eye
Explain the corrections of human eye defects

Describing the defects of the human eye
Explaining the eye defects are corrected

Charts showing eye defects and how they are corrected
Comprehensive secondary physics students book 4 pages 13-14
teachers book 34pages 1-5
Secondary physics KLB students book 4 page 31-32

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