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Form 3 2025
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

CAT

2 1
Hook?s Law
Hook's law
By the end of the lesson, the learner should be able to:
State and derive the Hook?s law
Defining Hook's law

Deriving Hook's law
Wire springs

Masses

Spring balance

Graph paper

Secondary physics KLB students book 2 page 158 
2 2
Hook?s Law
Spring constant
By the end of the lesson, the learner should be able to:


Determine spring constant of a given spring

Determining the spring constant of a given spring
Suspending masses of springs

Springs
Meter rule
Graph papers
Masses

Secondary physics KLB students book 2
Secondary physics KLB students book 2 page 165cs page 18
2 3-4
Hook?s Law
Spring constant
The spring balance
By the end of the lesson, the learner should be able to:


Determine spring constant of a given spring


Construct and calibrate a spring balance

Determining the spring constant of a given spring
Suspending masses of springs

Making and calibrating a spring balance

Springs
Meter rule
Graph papers
Masses


Wires
Wood
Meter rule
Masses

Secondary physics KLB students book 2
Secondary physics KLB students book 2 page 165cs page 18
2 5
Hook?s Law
Revision
By the end of the lesson, the learner should be able to:


Solve problems on Hook?s law

Questions and answers
Problem solving

Questions in the students book 2

Secondary physics KLB students book 2 page 166-169 
3 1
Waves I
Pulses and waves
By the end of the lesson, the learner should be able to:


Describe the information of pulses and waves

Describing the formation of pulses and waves

Strings/ropes
Ripple frank
Water
Stones
Basins

Secondary physics KLB students book 2 page 173-176 7
3 2
Waves I
Pulses and waves
By the end of the lesson, the learner should be able to:


Describe the information of pulses and waves

Describing the formation of pulses and waves

Strings/ropes
Ripple frank
Water
Stones
Basins

Secondary physics KLB students book 2 page 173-176 7
3 3-4
Waves I
Transverse and longitudinal pulse and waves
Characteristics of waves
By the end of the lesson, the learner should be able to:


Describe transverse and longitudinal pulses and waves


Define amplitude (a), the wave length (l) the frequency (f) and the period (T) of a wave

Distinguishing between transverse and longitudinal pulses and waves
Forming pulse and waves

Describing and defining the characteristics of waves

Sources of transverse and longitudinal waves

Ripple tank
Rollers
Springs
Chart showing the characteristics of waves

Secondary physics KLB students book 2 page 170-173
Secondary physics KLB students book 2 page 174-183 
3 5
Waves I
Characteristics of waves
By the end of the lesson, the learner should be able to:


Define amplitude (a), the wave length (l) the frequency (f) and the period (T) of a wave

Describing and defining the characteristics of waves

Ripple tank
Rollers
Springs
Chart showing the characteristics of waves

Secondary physics KLB students book 2 page 174-183 
4 1
Sounds
Production of sounds
By the end of the lesson, the learner should be able to:


Demonstrate that sound is produced by vibrating objects

Producing sound by vibrating strings, tins and bottles

Strings
Tins
Bottles
Stick
Tuning forks
Nails
shakers

Secondary physics KLB students book 2 page 186-189 93
4 2
Sounds
Nature of sound waves
By the end of the lesson, the learner should be able to:


Describe the nature of sound waves

Describing and observing the characteristics of sound waves using the echo methods to find the speed of sound
Discussions

Open tube
Closed tube
Strings
bottles

Secondary physics KLB students book 2 page 190-193
4 3-4
Sounds
Nature of sound waves
Propagation of sounds
By the end of the lesson, the learner should be able to:


Describe the nature of sound waves

By the end of the the lesson, the learner should be able to:
Show that light does not travel in vacuum

Describing and observing the characteristics of sound waves using the echo methods to find the speed of sound
Discussions

Demonstrating that sound requires a materials random for perpetration

Open tube
Closed tube
Strings
bottles

Bell jar
Vacuum pump
Electric bell

Secondary physics KLB students book 2 page 190-193
4 5
Fluid Flow
Structure and turbulent flow
By the end of the lesson, the learner should be able to:


Describe the streamline and turbulent flow

Discussions
Observing and defining
Streamline and turbulent flow

Water
Pipes of varying diameter
Sheet of paper

Secondary physics KLB students book 2 page 204-208 
5 1
Fluid Flow
Equation of continuity
By the end of the lesson, the learner should be able to:


Derive the equation of continuity

Deriving the equation of continuity
Discussions

pipes of varying diameter
charts on equation of continuity

Secondary physics KLB students book 2 page 210-215 
5 2
Fluid Flow
Equation of continuity
By the end of the lesson, the learner should be able to:


Derive the equation of continuity

Deriving the equation of continuity
Discussions

pipes of varying diameter
charts on equation of continuity

Secondary physics KLB students book 2 page 210-215 
5 3-4
Fluid Flow
Bernoulli?s effect
Application of Bernoulli?s effect
By the end of the lesson, the learner should be able to:


Describe experiments to illustrate Benoullli?s effect


Describe where Bernoulli?s effect is applied such as in the Bunsen burner, spray gun, carburetor, aerofoil and spinning ball

Illustrating Bernoulli?s effect by experiments

Describing the application of Bernoulli?s principle

Paper funnel
Plane paper

Bunsen burner

Secondary physics KLB students book 2 page 215-220
Secondary physics KLB students book 2 page 221-231 
5 5
Fluid Flow
Application of Bernoulli?s effect
By the end of the lesson, the learner should be able to:


Describe where Bernoulli?s effect is applied such as in the Bunsen burner, spray gun, carburetor, aerofoil and spinning ball

Describing the application of Bernoulli?s principle

Bunsen burner

Secondary physics KLB students book 2 page 221-231 
6 1
Linear Motion
Introduction of linear motion
By the end of the lesson, the learner should be able to:


Define distance, displacement, speed, velocity and acceleration

Defining distance, speed, displacement, velocity and acceleration

Charts on motion
Trolleys
Inclined planes

Secondary physics KLB students book 2 page 1-7 
6 2
Linear Motion
Determining velocity
By the end of the lesson, the learner should be able to:


Describe experiments to determine velocity

Describing experiments on velocity

Trolleys
Stop watches
Graph paper
Ticker timer

Secondary physics KLB students book 3 page 4-6 
6 3-4
Linear Motion
Determining velocity
Motion time graphs
By the end of the lesson, the learner should be able to:


Describe experiments to determine velocity


Plot and explain motion time graphs

Describing experiments on velocity

Plotting and interpreting motion-time graphs

Trolleys
Stop watches
Graph paper
Ticker timer

Appropriate charts on velocity time and distance graphs
Graph paper
Data showing different distance, velocity and time

Secondary physics KLB students book 3 page 4-6 
6 5
Linear Motion
Measuring speed, velocity and acceleration
By the end of the lesson, the learner should be able to:


Describe experiments to determine and measure speed, velocity and acceleration

Describing experiments to determine and measure speed velocity & acceleration

Graphs
Ticker timer
Tapes
Graphs

Secondary physics KLB students book 3 page 18-25 
7 1
Linear Motion
Acceleration
By the end of the lesson, the learner should be able to:


Describe acceleration

Describing acceleration
Problem solving

Charts on acceleration
Graphs
Data on velocity and time

Secondary physics KLB students book 3 page 7-8 
7 2
Linear Motion
Acceleration
By the end of the lesson, the learner should be able to:


Describe acceleration

Describing acceleration
Problem solving

Charts on acceleration
Graphs
Data on velocity and time

Secondary physics KLB students book 3 page 7-8 
7 3-4
Linear Motion
Equations of motion
Acceleration due to gravity
By the end of the lesson, the learner should be able to:


Derive and apply the equations of uniform acceleration

;
Determine acceleration due to gravity by free-fall and simple pendulum

Stating the equations of motion
Deriving the equations of motion
Applying the equations of motion

Determining acceleration by tree-fall and pendulum method

Graphs
Worked examples on motion

Pendulum bob
String
Stop watches
Ticker-timer

Secondary physics KLB students book 3 page 26-28
Secondary physics KLB students book 3 page 29-36 
7 5
Linear Motion
Acceleration due to gravity
By the end of the lesson, the learner should be able to:

;
Determine acceleration due to gravity by free-fall and simple pendulum

Determining acceleration by tree-fall and pendulum method

Pendulum bob
String
Stop watches
Ticker-timer

Secondary physics KLB students book 3 page 29-36 
8 1
Refraction Of Light
The meaning of refraction
By the end of the lesson, the learner should be able to:


Describe simple experiments to illustrate refraction of light

Experiments demonstrating refraction of light

Beakers
Water
Stick or glass rod
Basins
Coins
Glass blocks
Pin

Secondary physics KLB students book 3 page 41-46
8 2
Refraction Of Light
Laws of refraction
By the end of the lesson, the learner should be able to:


State the laws of refraction and define refractive index

Discovering Snell?s law of refraction through experiments
Defining refractive index
Stating the laws of refraction

Glass blocks
Pins
Soft board
Plain paper
Geometric set

Secondary physics KLB students book 3 page 47-61 
8 3
Refraction Of Light
Refractive index
By the end of the lesson, the learner should be able to:


Determine the refractive index of a given substance

Experiments to determine the refractive index of rates and glass by real and apparent depth method

Water
Pins
Plain papers
Coins
Beakers

Secondary physics KLB students book 3 page 61-68
8

CAT

9

MID TERM BREAK

10 1
Refraction Of Light
Application of a total internal reflection in a prism periscope, optical fibre
By the end of the lesson, the learner should be able to:


Explain the working of a prisms and optical fibres among other applications

Making a periscope
Discussion on working of an optical fibre

Charts on total internal reflection and applications

Secondary physics KLB students book 3 page 76-79 
10 2
Refraction Of Light
Application of a total internal reflection in a prism periscope, optical fibre
By the end of the lesson, the learner should be able to:


Explain the working of a prisms and optical fibres among other applications

Making a periscope
Discussion on working of an optical fibre

Charts on total internal reflection and applications

Secondary physics KLB students book 3 page 76-79 
10 3-4
Refraction Of Light
Dispersion of white light and recombination of colors of the spectrum
By the end of the lesson, the learner should be able to:


Describe an experiment to illustrate the dispersion of light

Experiment on dispersion of light using glass prisms

Triangular glass prisms
Source of light
Screen

Secondary physics KLB students book 3 page 79-89
10 5
Refraction Of Light
Problems of refractive index and critical angle
By the end of the lesson, the learner should be able to:


Solve problems involving the refractive index and critical angle

Discussions and problem solving in critical angle using the formulae sin C=i/n and n=sin i/sin r

Review questions
Past exams
Examples in the topic

Secondary physics KLB students book 3 page 82-86
11 1
Newton?s Law?s Of Motion
Newton?s Laws of motion
By the end of the lesson, the learner should be able to:


State the Newton?s laws of motion
State and explain the significance of a Newton?s laws of motion
Describe simple experiments to illustrate inertion

Discussion on Newton?s laws
Experiments to illustrate
? Education Plus Agencies
Newton?s laws of motion

Inclined plane
Trolley
Marbles
Spring balances

Secondary physics KLB students book 3 page 87-102 
11 2
Newton?s Law?s Of Motion
Newton?s Laws of motion
By the end of the lesson, the learner should be able to:


State the Newton?s laws of motion
State and explain the significance of a Newton?s laws of motion
Describe simple experiments to illustrate inertion

Discussion on Newton?s laws
Experiments to illustrate
? Education Plus Agencies
Newton?s laws of motion

Inclined plane
Trolley
Marbles
Spring balances

Secondary physics KLB students book 3 page 87-102 
11 3-4
Energy, Work, Power And Machines
Energy
Sources of energy Renewable Non-renewable
By the end of the lesson, the learner should be able to:


Define energy
Describe various forms of energy


Describe renewable and non-renewable sources of energy

Defining energy
Stating the forms of energy
Identifying and describing energy transformation

Discussion on the sources of energy
Descriptions of renewable and non-renewable sources of energy

Chart on the forms of energy and transformation

Chart on the sources of energy

Secondary physics KLB students book 3 page 121,122-125
11 5
Energy, Work, Power And Machines
Kinetic energy Potential energy power
By the end of the lesson, the learner should be able to:


define power
explain the meaning of power potential and kinetic energies
distinguish between kinetic energy and potential energy

Discussion and the meanings of kinetic energy and potential energy
Defining power
Distinguishing between kinetic energy and potential energy

Object that can be lifted
Spring balance

Secondary physics KLB students book 3 page 126-132,134-136 
12 1
Energy, Work, Power And Machines
Simple machines
By the end of the lesson, the learner should be able to:


State and describe the efficiency of various machines

Discussion on efficiency of different machines
Experiments to illustrate efficiency of various machines
Problem solving

Levers
Pulleys
Inclined planes
Strings
Masses

Secondary physics KLB students book 3 page 137-159 
12 2
Current Electricity Ii
Electric current Scale reading
By the end of the lesson, the learner should be able to:


Define potential
Differentiate and state its SI units
Measure potential difference and current in a circuit

Defining potential difference
Measuring P.d
Discussion on p.d and current
Experiments to illustrate p.d and current

Ammeter
Voltmeter
Battery
Connecting wires

Secondary physics KLB students book 3 page 168-171
12 3-4
Current Electricity Ii
Electric current Scale reading
Ohm?s Law
By the end of the lesson, the learner should be able to:


Define potential
Differentiate and state its SI units
Measure potential difference and current in a circuit


Derive and verify ohm?s law
State ohm?s law

Defining potential difference
Measuring P.d
Discussion on p.d and current
Experiments to illustrate p.d and current

Experiments verifying ohm?s law
Stating ohm?s law

Ammeter
Voltmeter
Battery
Connecting wires

Ammeter
Voltmeter
Rheostat
Wires
Dry cells

Secondary physics KLB students book 3 page 168-171
12 5
Current Electricity Ii
Measurement of resistance
By the end of the lesson, the learner should be able to:


Describe experiment to measure resistance using ? voltmeter method
The Wheatstone bridge method
The meter bridge

Experiments to measure resistance of materials

Ammeters
Voltmeters
Rheostats
Connecting wires
Resistance wire
Dry cells
Switches
Meter bridge
Wheatstone bridge
Resisters with known resistance
Comprehensive secondary physics students book 3 pages 57-59
Comprehensive secondary physics teachers book 3 pages 26-28
Secondary physics KLB students book 3 page 177-180
13-14

EXAMINATIONS


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