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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
2 1
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 
2 2
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 
2 3-4
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 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
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 
3 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
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 1-2
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

Opener cat

4 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 
4 2
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 
4 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 
4 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
5 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 
5 2
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 
5 3-4
The Gas Laws
Boyle?s law
The kinetic theory of gases
By the end of the lesson, the learner should be able to:


State and verify Boyle?s law experimentally


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

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

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

Water
Thermometer
Syringe
Measuring cylinder
Narrow glass tube

Graph paper
Clinical thermometer
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
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
5 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 
6 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
6 2
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
6 3-4
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
6 5
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
Comprehensive secondary physics students book 3 pages 11-12
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 41-46
7 1
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
Comprehensive secondary physics students book 3 pages 12-14
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 47-61 
7 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
Comprehensive secondary physics students book 3 pages 12-14
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 47-61 
7 3-4
Refraction Of Light
Laws of refraction
Refractive index
By the end of the lesson, the learner should be able to:


State the laws of refraction and define refractive index


Determine the refractive index of a given substance

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

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

Glass blocks
Pins
Soft board
Plain paper
Geometric set

Water
Pins
Plain papers
Coins
Beakers
Comprehensive secondary physics students book 3 pages 12-14
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 47-61 
Comprehensive secondary physics students book 3 pages 14-15
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 61-68
7 5
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
Comprehensive secondary physics students book 3 pages 14-15
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 61-68
8 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
Comprehensive secondary physics students book 3 pages 18-19
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 76-79 
8 1-2
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
Comprehensive secondary physics students book 3 pages 18-19
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 76-79 
8-9

Midterm Exams

9

Midterm break

9 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
Comprehensive secondary physics students book 3 pages 19-20
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 79-89
9 5
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
Comprehensive secondary physics students book 3 pages 19-20
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 79-89
10 1
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
Comprehensive secondary physics book 3 pages 21-22
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 82-86
10 2
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
Comprehensive secondary physics book 3 pages 21-22
Comprehensive secondary physics teachers book 3 pages6-9
Secondary physics KLB students book 3 page 82-86
10 3
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
Comprehensive secondary physics students book 3 pages 54-55
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 161-164 
10 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
Comprehensive secondary physics students book 3 pages 54-55
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 161-164 
Comprehensive secondary physics students book 3 pages 55-57
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 168-171
10 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
11 1
Current Electricity
Ammeters and voltmeters
By the end of the lesson, the learner should be able to:


Measure potential difference and current in a circuit using the ammeters

Scale reading
Converting units of measurements
Discussing simple electric circuits

Ammeters
Voltmeters
Battery
Wires
Rheostat
Comprehensive secondary physics students book 3 pages 54-55
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 164-168 
11 2
Current Electricity
Ammeters and voltmeters
By the end of the lesson, the learner should be able to:


Measure potential difference and current in a circuit using the ammeters

Scale reading
Converting units of measurements
Discussing simple electric circuits

Ammeters
Voltmeters
Battery
Wires
Rheostat
Comprehensive secondary physics students book 3 pages 54-55
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 164-168 
11 3-4
Current Electricity
Ammeters and voltmeters
Voltage-current relationships
By the end of the lesson, the learner should be able to:


Measure potential difference and current in a circuit using the ammeters


Define resistance and state its SI unit
Determine experientially the voltage current
Relationship for resistance in series and parallel

Scale reading
Converting units of measurements
Discussing simple electric circuits

Defining resistance
Experiments to determine the relationship between voltage-current

Ammeters
Voltmeters
Battery
Wires
Rheostat

Resistance wire
Rheostat
Battery
Voltmeter
Ammeter
Connecting wires
Comprehensive secondary physics students book 3 pages 54-55
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 164-168 
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 171-177 
11 5
Current Electricity
Voltage-current relationships
By the end of the lesson, the learner should be able to:


Define resistance and state its SI unit
Determine experientially the voltage current
Relationship for resistance in series and parallel

Defining resistance
Experiments to determine the relationship between voltage-current

Resistance wire
Rheostat
Battery
Voltmeter
Ammeter
Connecting wires
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 171-177 
12 1
Current Electricity
Effective resistance for registers in series and parallel
By the end of the lesson, the learner should be able to:


Derive effective resistance

Discussions on deriving the effective resistance
Deriving effective resistance of registers in parallel and series

Cells
Resistors
Ammeters
Voltmeters
wires
Comprehensive secondary physics students book 3 pages 60-66
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 180-189
12 2
Current Electricity
Effective resistance for registers in series and parallel
By the end of the lesson, the learner should be able to:


Derive effective resistance

Discussions on deriving the effective resistance
Deriving effective resistance of registers in parallel and series

Cells
Resistors
Ammeters
Voltmeters
wires
Comprehensive secondary physics students book 3 pages 60-66
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 180-189
12 3-4
Current Electricity
Effective resistance for registers in series and parallel
E.m.f and internal resistance (E=V+1r)
By the end of the lesson, the learner should be able to:


Derive effective resistance



Determine e.m.f
Explain the internal resistance of a cell

Discussions on deriving the effective resistance
Deriving effective resistance of registers in parallel and series

Explanation on internal resistance
Demonstration on e.m.f and internal resistance
Discussion on e.m.f

Cells
Resistors
Ammeters
Voltmeters
wires

Voltmeters
Ammeter
Cells
Connecting wires
Comprehensive secondary physics students book 3 pages 60-66
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 180-189
Comprehensive secondary physics students book 3 pages 62-63
Comprehensive secondary physics teachers book 3 pages 24-28
Secondary physics KLB students book 3 page 190-195 
13

Mid year Exams

14

Closing


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