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

Opener examinations

2 1
Lenses
Conveying and diverging 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

Using light beams to distinguish between diverging and converging lenses

Diverging lenses
Converging lenses
Source of light beam
screen
Comprehensive secondary physics students book 4 pages 1-2
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 1
2 2
Lenses
Parts of fair lenses
By the end of the lesson, the learner should be able to:


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

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

Chart showing the parts of thin lens
Graph paper
Diverging lens
Converging lens
Comprehensive secondary physics students book 4 pages 1-3
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 6-7 
2 3
Lenses
Parts of fair lenses
By the end of the lesson, the learner should be able to:


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

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

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


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

Experiment to determine the focal length of a fair lens

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

Converging lenses
Screen
Pins
candle

Converging lenses
Diverging lenses
Graph papers
Ruler
Comprehensive secondary physics students book 4 pages 2-3
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 17-20 
Comprehensive secondary physics students book 4 pages 3-6
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 7-12 
3 1
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 
3 2
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 
3 3
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 
3 4-5
Lenses
Images in diverging lenses
The microscope
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


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

Describe the characteristics of the formed in diverging lenses

Drawing and labeling the parts of a microscope
Describing the work of a microscope
Graph paper
Geometrical set
Diverging lenses
Screen

Simple microscope
Compound microscope
Magnifying lens
Comprehensive secondary physics students book 4 pages 5
teachers book 3 pages 1-5
Secondary physics KLB students book 4 page 11 
Comprehensive secondary physics students book 4 pages 10-11
teachers book 4 pages 1-5 
4 1
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
4 2
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
4 3
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 
4 4-5
Lenses
The camera
Image formation in the human eye
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


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

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

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

Camera
Charts showing the parts of a camera

Chart showing the parts of human eye
Model of the human eye
Comprehensive secondary physics students book 4 pages 11-12
teachers book 4 pages 1-5
Secondary physics KLB students book 4 page 33 
Comprehensive secondary physics students book 4 pages 12-13
teachers book 34pages 1-5
Secondary physics KLB students book 4 page 29-31
5 1
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
5 2
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
5 3
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
5 4-5
Uniform Circular Motion
Circular motion
Radiant, angular displacement and angular velocity
By the end of the lesson, the learner should be able to:


Define circular motion


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

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

Discussions
Experiment

Hoop
String/rope
store

Illustration of angular displacement and angular velocity on a chart
Comprehensive secondary physics students book 4 pages 18
teachers book 34pages 10-12
Secondary physics KLB students book 4 page 37-4
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
6 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 
6 2
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 
6 3
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 
6 4-5
Uniform Circular Motion
Photo Electric Effect
Application of uniform circular motion
Photo electric emissions
By the end of the lesson, the learner should be able to:


Explain centrifuge
Explain vertical and horizontal circles
Explain banked tracks

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
Explanations
Experiments

Experiments
discussions

String
Stone
Ruler

source of light
Metallic surfaces
Photo cell
Comprehensive secondary physics students book 4 pages 22-25
teachers book 34pages 10-12
Secondary physics KLB students book 4 page 47-53 
Comprehensive secondary physics students book 4 pages 87-88
teachers book 4 pages 38-40
Secondary physics KLB students book 4 page 151-152 
7 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 
7 2
Photo-Electric
Plank?s constant
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

Discussions
Demonstration

charts
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
7 3
Photo-Electric
Plank?s constant
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

Discussions
Demonstration

charts
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
7 4
Photo-Electric
The quantum theory of light
By the end of the lesson, the learner should be able to:


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
Calculations

Chart on the use of Einstein?s equation
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
7 4-5
Photo-Electric
The quantum theory of light
By the end of the lesson, the learner should be able to:


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
Calculations

Chart on the use of Einstein?s equation
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
8

Mid term break

9 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 
9 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 
9 3
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 
9 4
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 
9 4-5
Radio Activity
Radio-Activity
Types of radiation
Detecting nuclear radiations
By the end of the lesson, the learner should be able to:


Describe the three types of radiations produced by radioactive elements

explain how a diffusion cloud chamber works

Discussions

Demonstrations
discussions

Radiation
detectors

Radiation detectors
Comprehensive secondary physics students book 4 pages 96-100
Secondary physics KLB students book 4 page 167-171 
Comprehensive secondary physics students book 4 pages 100
Secondary physics KLB students book 4 page 173-174 
10 1
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 
10 2
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 
10 3
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 
10 4-5
Radio-Activity
Radioactivity
Hazards of radioactivity
Nuclear fission and fusion
By the end of the lesson, the learner should be able to:



Explain the dangers of radioactive emissions




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

discussions

Discussions
Problem solving

diffusion cloud chamber

Periodic table
Comprehensive secondary physics students book 4 pages 105-106
teachers book 4 pages 42-45
Secondary physics KLB students book 4 page 182 
Comprehensive secondary physics students book 4 pages 100-108
teachers book 4 pages 42-45
Secondary physics KLB students book 4 page 181-184 
11 1
Electronics
Conductors and semi-conductors
By the end of the lesson, the learner should be able to:


Differentiate between conductors and semi-conductors

Discussions
Experiments

Some semi-conductors
Some insulator
Comprehensive secondary physics students book 4 pages 110-111
teachers book 4 pages 45-48
Secondary physics KLB students book 4 page 187-189 
11 2
Electronics
Conductors and semi-conductors
By the end of the lesson, the learner should be able to:


Differentiate between conductors and semi-conductors

Discussions
Experiments

Some semi-conductors
Some insulator
Comprehensive secondary physics students book 4 pages 110-111
teachers book 4 pages 45-48
Secondary physics KLB students book 4 page 187-189 
11 3
Electronics
Conductors and semi-conductors
By the end of the lesson, the learner should be able to:


Differentiate between conductors and semi-conductors

Discussions
Experiments

Some semi-conductors
Some insulator
Comprehensive secondary physics students book 4 pages 110-111
teachers book 4 pages 45-48
Secondary physics KLB students book 4 page 187-189 
11 4-5
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 
12 1
Electronics
Characteristics of p-n junction
By the end of the lesson, the learner should be able to:



sketch the current voltage characteristics for a diode


experiments

junction diode

Comprehensive secondary physics students book 4 pages 161-117
teachers book 4 pages 48-52
Secondary physics KLB students book 4 page 189-194 
12 2
Electronics
Characteristics of p-n junction
By the end of the lesson, the learner should be able to:



sketch the current voltage characteristics for a diode


experiments

junction diode

Comprehensive secondary physics students book 4 pages 161-117
teachers book 4 pages 48-52
Secondary physics KLB students book 4 page 189-194 
12 3
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 
12 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 
12 3-5
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 
13

End term examination


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