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Form 3 2025
TERM II
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1 1
Newton?s Laws Of Motion
Viscosity
By the end of the lesson, the learner should be able to:

By the end of the lesson, the leaner should be able to:
Define viscosity
Explain the concept of terminal velocity

Distinguishing viscous from- non-viscous liquids
Defining viscous liquids
Defining and explaining terminal viscosity

Glycerin
Paraffin
Water
Ball bearings
Stat watches
Meter rule
Measuring cylinders
Comprehensive secondary physics students book 3 pages33
Comprehensive secondary physics teachers book 3 pages 13-17
Secondary physics KLB students book 3 page 115-119 
1 2-3
Newton?s Laws Of Motion
Energy, Work, Power And Machines
Viscosity
Energy
By the end of the lesson, the learner should be able to:

By the end of the lesson, the leaner should be able to:
Define viscosity
Explain the concept of terminal velocity


Define energy
Describe various forms of energy

Distinguishing viscous from- non-viscous liquids
Defining viscous liquids
Defining and explaining terminal viscosity

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

Glycerin
Paraffin
Water
Ball bearings
Stat watches
Meter rule
Measuring cylinders

Chart on the forms of energy and transformation
Comprehensive secondary physics students book 3 pages33
Comprehensive secondary physics teachers book 3 pages 13-17
Secondary physics KLB students book 3 page 115-119 
Comprehensive secondary physics students book 3 pages34-35
Comprehensive secondary physics teachers book 3 pages 17-18
Secondary physics KLB students book 3 page 121,122-125 
1 4
Energy, Work, Power And Machines
Energy
By the end of the lesson, the learner should be able to:


Define energy
Describe various forms of energy

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

Chart on the forms of energy and transformation
Comprehensive secondary physics students book 3 pages34-35
Comprehensive secondary physics teachers book 3 pages 17-18
Secondary physics KLB students book 3 page 121,122-125 
1 5
Energy, Work, Power And Machines
Sources of energy Renewable Non-renewable
By the end of the lesson, the learner should be able to:


Describe renewable and non-renewable sources of energy

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

Chart on the sources of energy
Comprehensive secondary physics students book 3 pages41
Comprehensive secondary physics teachers book 3 pages 19-21
Secondary physics KLB students book 3 page 121,122-125
2 1
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
Comprehensive secondary physics students book 3 pages 43-45
Comprehensive secondary physics teachers book 3 pages 18-22
Secondary physics KLB students book 3 page 126-132,134-136 
2 2-3
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
Comprehensive secondary physics students book 3 pages 43-45
Comprehensive secondary physics teachers book 3 pages 18-22
Secondary physics KLB students book 3 page 126-132,134-136 
2 4
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
Comprehensive secondary physics students book 3 pages 43-45
Comprehensive secondary physics teachers book 3 pages 18-22
Secondary physics KLB students book 3 page 126-132,134-136 
2 5
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
Comprehensive secondary physics students book 3 pages 45-51
Comprehensive secondary physics teachers book 3 pages 18-22
Secondary physics KLB students book 3 page 137-159 
3 1
Energy, Work, Power And Machines
The law of conservation of energy
By the end of the lesson, the learner should be able to:


State the laws of conservation of energy
Explain the applications of the laws of conservations of energy

Discussion on the law of conservation of energy

Chart on the laws of conservation of energy
Comprehensive secondary physics students book 3 pages 41-42
Comprehensive secondary physics teachers book 3 pages 20-21
Secondary physics KLB students book 3 page 132-134 
3 2-3
Energy, Work, Power And Machines
Energy, Work, Power And Machines
The law of conservation of energy
Work
By the end of the lesson, the learner should be able to:


State the laws of conservation of energy
Explain the applications of the laws of conservations of energy


Define work
Explain the concept of work and energy

Discussion on the law of conservation of energy

Experiment on work done by moving objects through a distance
Problem solving

Chart on the laws of conservation of energy

Masses
Wooden block
Spring balance
Comprehensive secondary physics students book 3 pages 41-42
Comprehensive secondary physics teachers book 3 pages 20-21
Secondary physics KLB students book 3 page 132-134 
Comprehensive secondary physics students book 3 pages 42-43
Comprehensive secondary physics teachers book 3 pages 18-22
Secondary physics KLB students book 3 page 125-132 
3 4
Energy, Work, Power And Machines
Work
By the end of the lesson, the learner should be able to:


Define work
Explain the concept of work and energy

Experiment on work done by moving objects through a distance
Problem solving

Masses
Wooden block
Spring balance
Comprehensive secondary physics students book 3 pages 42-43
Comprehensive secondary physics teachers book 3 pages 18-22
Secondary physics KLB students book 3 page 125-132 
3 5
The Heating Effect Of Electric Current
Electric current heating effect
By the end of the lesson, the learner should be able to:


Perform and describe experiments to illustrate the heating effect of electric current

Experiments to illustrate heating effect of electric current
Discussions on heating effect of electric current

Complete circuit
Water in a beaker
Metallic rod
Thermometer
Comprehensive secondary physics students book 3 pages 88
Comprehensive secondary physics teachers book 3 pages 39-41
Secondary physics KLB students book 3 page 246-247 
4 1
The Heating Effect Of Electric Current
Heating devices fuses
By the end of the lesson, the learner should be able to:


describe the working of electric iron, bulb filament and an electric water

discussion on electric devices
observations and experiments on heating devices

electric irons
electric bulb
electric kettle
electric heater
fuses
Comprehensive secondary physics students book 3 pages 90-91
Comprehensive secondary physics teachers book 3 pages 39-41
Secondary physics KLB students book 3 page 255-258
4 2-3
The Heating Effect Of Electric Current
Heating devices fuses
By the end of the lesson, the learner should be able to:


describe the working of electric iron, bulb filament and an electric water

discussion on electric devices
observations and experiments on heating devices

electric irons
electric bulb
electric kettle
electric heater
fuses
Comprehensive secondary physics students book 3 pages 90-91
Comprehensive secondary physics teachers book 3 pages 39-41
Secondary physics KLB students book 3 page 255-258
4 4
The Heating Effect Of Electric Current
Heating devices fuses
By the end of the lesson, the learner should be able to:


describe the working of electric iron, bulb filament and an electric water

discussion on electric devices
observations and experiments on heating devices

electric irons
electric bulb
electric kettle
electric heater
fuses
Comprehensive secondary physics students book 3 pages 90-91
Comprehensive secondary physics teachers book 3 pages 39-41
Secondary physics KLB students book 3 page 255-258
4 1
The Heating Effect Of Electric Current
Heating devices fuses
By the end of the lesson, the learner should be able to:


describe the working of electric iron, bulb filament and an electric water

discussion on electric devices
observations and experiments on heating devices

electric irons
electric bulb
electric kettle
electric heater
fuses
Comprehensive secondary physics students book 3 pages 90-91
Comprehensive secondary physics teachers book 3 pages 39-41
Secondary physics KLB students book 3 page 255-258
4-5

Cat 1

5 2-3
The Heating Effect Of An Electric Current
Quantity Of Heat
Factors affecting electric current
Heat capacity Specific heat capacity Units of heat capacity
By the end of the lesson, the learner should be able to:


State and explain the factors affecting electrical energy

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

Discussions on the factors affecting electrical energy
Experiments on electrical energy
Stating and explaining factors affecting the electrical energy

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

Complete circuit
Wires
Rheostat
Ammeter
battery

Source of heat
Water
Lagged can
Thermometer
Comprehensive secondary physics students book 3 pages 88-90
Comprehensive secondary physics teachers book 3 pages 39-41
Secondary physics KLB students book 3 page 247-255 
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 
5 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 
5 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 
6 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 
6 2-3
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 
6 4
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
6 5
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
7 1
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 
7 2-3
The Gas Laws
Charles?s law
Boyle?s law
By the end of the lesson, the learner should be able to:


State and verify Charles?s law experimentally


State and verify Boyle?s law experimentally

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

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

Water
Thermometer
Measuring cylinder
Syringe
Narrow glass tube

Water
Thermometer
Syringe
Measuring cylinder
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 
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
7 4
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
7 5
The Gas Law?s
The kinetic theory of gases
By the end of the lesson, the learner should be able to:


Explain law absolute zero temperature may be obtained from pressure and temp. graphs

Discussions on the absolute zero temperature from pressure using kinetic theory of gases

Graph paper
Clinical thermometer
Working out sums
Comprehensive secondary physics students book 3 pages 108-110
Comprehensive secondary physics teachers book 3 pages 47-50
Secondary physics KLB students book 3 page 303 
8 1
Uniform Circular Motion
Circular motion
By the end of the lesson, the learner should be able to:


Define circular motion

Observing and running a hoop
Rotate a stone tied to the end of a rope

Hoop
String/rope
store
Comprehensive secondary physics students book 4 pages 18
teachers book 34pages 10-12
Secondary physics KLB students book 4 page 37-4
8 2-3
Uniform Circular Motion
Circular motion
By the end of the lesson, the learner should be able to:


Define circular motion

Observing and running a hoop
Rotate a stone tied to the end of a rope

Hoop
String/rope
store
Comprehensive secondary physics students book 4 pages 18
teachers book 34pages 10-12
Secondary physics KLB students book 4 page 37-4
8 4
Uniform Circular Motion
Radiant, angular displacement and angular velocity
By the end of the lesson, the learner should be able to:


Define the radiant measure
Define the angular displacement and velocity
Explain the angular displacement and velocity

Discussions
Experiment

Illustration of angular displacement and angular velocity on a chart
Comprehensive secondary physics students book 4 pages 18-20
teachers book 34pages 10-12
Secondary physics KLB students book 4 page 37-42
Golden tips Physics pages 34-35
8 4-5
Uniform Circular Motion
Radiant, angular displacement and angular velocity
By the end of the lesson, the learner should be able to:


Define the radiant measure
Define the angular displacement and velocity
Explain the angular displacement and velocity

Discussions
Experiment

Illustration of angular displacement and angular velocity on a chart
Comprehensive secondary physics students book 4 pages 18-20
teachers book 34pages 10-12
Secondary physics KLB students book 4 page 37-42
Golden tips Physics pages 34-35
9

Half term

10 1
Uniform Circular Motion
Centripetal force
By the end of the lesson, the learner should be able to:


Describe simple experiment on centripetal force
Illustrate centripetal force
Determine the magnitude of centripetal force experimentally

Experiments
Discussions
observations

Pendulum
String
Stone
Round table
Ball/bob
Stop clock
Comprehensive secondary physics students book 4 pages 20-21
teachers book 34pages 10-12
Secondary physics KLB students book 4 page 42-47 
10 2-3
Uniform Circular Motion
Centripetal force
Application of uniform circular motion
By the end of the lesson, the learner should be able to:


Describe simple experiment on centripetal force
Illustrate centripetal force
Determine the magnitude of centripetal force experimentally


Explain centrifuge
Explain vertical and horizontal circles
Explain banked tracks

Experiments
Discussions
observations

Discussions
Explanations
Experiments

Pendulum
String
Stone
Round table
Ball/bob
Stop clock

String
Stone
Ruler
Comprehensive secondary physics students book 4 pages 20-21
teachers book 34pages 10-12
Secondary physics KLB students book 4 page 42-47 
Comprehensive secondary physics students book 4 pages 22-25
teachers book 34pages 10-12
Secondary physics KLB students book 4 page 47-53 
10 4
Floating And Sinking
Archimedes? principle
By the end of the lesson, the learner should be able to:


State Archimedes? principle
Verify Archimedes principle
Use of Archimedes principle to solve problems

Experiments
Discussions
Calculations based on Archimedes Principle

Water
Measuring cylinder
Weighing balance
Overflow can
Objects denser than water
Comprehensive secondary physics students book 4 pages 28-29
teachers book 34pages 14-17
Secondary physics KLB students book 4 page 58-60 
10 5
Floating And Sinking
Archimedes? principle
By the end of the lesson, the learner should be able to:


State Archimedes? principle
Verify Archimedes principle
Use of Archimedes principle to solve problems

Experiments
Discussions
Calculations based on Archimedes Principle

Water
Measuring cylinder
Weighing balance
Overflow can
Objects denser than water
Comprehensive secondary physics students book 4 pages 28-29
teachers book 34pages 14-17
Secondary physics KLB students book 4 page 58-60 
11 1
Floating And Sinking
The laws of floatation Relative density
By the end of the lesson, the learner should be able to:


State the law of floatation
Define relative density

Discussions
Measuring

Density bottle
Overflow can
Spring balance
measuring cylinder
Comprehensive secondary physics students book 4 pages 29-33
teachers book 34pages 14-17
Secondary physics KLB students book 4 page 64-70 
11 2-3
Floating And Sinking
The laws of floatation Relative density
By the end of the lesson, the learner should be able to:


State the law of floatation
Define relative density

Discussions
Measuring

Density bottle
Overflow can
Spring balance
measuring cylinder
Comprehensive secondary physics students book 4 pages 29-33
teachers book 34pages 14-17
Secondary physics KLB students book 4 page 64-70 
11 4
Floating And Sinking
Applications of floating and sinking
By the end of the lesson, the learner should be able to:


Describe the applications of Archimedes Principle
Describe the applications of relative density (hydrometer)

Discussions
experiments

charts depicting the uses of Archimedes principle and the law of floatation
A hydrometer
Comprehensive secondary physics students book 4 pages 33-35
teachers book 34pages 14-17
Secondary physics KLB students book 4 page 75-77 
11 5
Floating And Sinking
Applications of floating and sinking
By the end of the lesson, the learner should be able to:


Describe the applications of Archimedes Principle
Describe the applications of relative density (hydrometer)

Discussions
experiments

charts depicting the uses of Archimedes principle and the law of floatation
A hydrometer
Comprehensive secondary physics students book 4 pages 33-35
teachers book 34pages 14-17
Secondary physics KLB students book 4 page 75-77 
13

Cat 2


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