Mechanics and Thermal Physics

Moments and Equilibrium - Centre of gravity of regular objects
Moments and Equilibrium - Centre of gravity of irregular objects

By the end of the lesson, the learner should be able to:
- Determine the centre of gravity of regularly shaped objects
- Explain the concept of centre of gravity
- Relate centre of gravity to real-life applications like furniture design

In groups, learners are guided to:
- Design and carry out activities to determine centre of gravity of regular objects
- Balance rectangular card on table edge
- Mark and identify centre of gravity

How does the stability of bodies affect the designs of their structures?

- Triumph Physics Grade 10 pg. 75-76
- Rectangular cards
- Ruler
- Pen
- Table
- Triumph Physics Grade 10 pg. 76-78
- Irregular hardboard
- Plumb line
- Pins
- Retort stand

- Practical assessment - Observation - Oral questions

Mechanics and Thermal Physics

Moments and Equilibrium - Stable, unstable and neutral equilibrium
Moments and Equilibrium - Stability factors

By the end of the lesson, the learner should be able to:
- Identify the states of equilibrium in bodies
- Distinguish between stable, unstable and neutral equilibrium
- Relate equilibrium states to everyday objects

In groups, learners are guided to:
- Carry out activities to demonstrate stability, instability and neutral equilibrium using Bunsen burner
- Observe object behavior when pushed
- Discuss the three states

How does the stability of bodies affect the designs of their structures?

- Triumph Physics Grade 10 pg. 78-80
- Bunsen burner
- Flat surface
- Various objects
- Digital devices
- Triumph Physics Grade 10 pg. 80-82
- Protractor
- Ruler
- Weights

- Practical assessment - Observation - Oral questions

Mechanics and Thermal Physics

Moments and Equilibrium - Turning effect of force
Moments and Equilibrium - Demonstrating moments

By the end of the lesson, the learner should be able to:
- Explain the meaning of moment of a force
- Calculate moment using Moment = Force × Distance
- Relate moments to opening doors and using tools

In groups, learners are guided to:
- Discuss with peers the meaning of moment of force
- Use digital devices to search for information
- Share personal experiences of applying moments

How does the stability of bodies affect the designs of their structures?

- Triumph Physics Grade 10 pg. 82-84
- Digital devices
- Reference books
- Calculator
- Exercise books
- Triumph Physics Grade 10 pg. 84-87
- Spring balance
- Wire
- Door
- Measuring tape

- Oral questions - Written assignments - Observation

Mechanics and Thermal Physics

Moments and Equilibrium - Principle of moments
Moments and Equilibrium - Two support points

By the end of the lesson, the learner should be able to:
- Verify the principle of moments
- Explain that clockwise moments = anticlockwise moments
- Apply principle to solve problems

In groups, learners are guided to:
- Carry out activities to verify principle of moments using metre rule and weights
- Balance rule with different weights
- Record distances and calculate moments

How does the stability of bodies affect the designs of their structures?

- Triumph Physics Grade 10 pg. 87-89
- Metre rule
- Weights (50g, 100g, 200g)
- Thread
- Retort stand
- Triumph Physics Grade 10 pg. 89-91
- Spring balances
- Weights
- Calculator

- Practical assessment - Data analysis - Problem solving

Mechanics and Thermal Physics

Moments and Equilibrium - Torque and couple forces
Moments and Equilibrium - Resolving forces

By the end of the lesson, the learner should be able to:
- Describe torque and couple in turning objects
- Calculate torque using Torque = Force × Distance
- Relate to steering wheels and screwdrivers

In groups, learners are guided to:
- Carry out activities to demonstrate couple using wooden strip and spring balances
- Compare single force with couple
- Discuss applications

How does the stability of bodies affect the designs of their structures?

- Triumph Physics Grade 10 pg. 91-94
- Wooden strip
- Spring balances
- Screw
- Table
- Triumph Physics Grade 10 pg. 94-96
- Pulleys
- Weights
- Paper
- Ruler
- Protractor

- Practical assessment - Observation - Oral questions

Mechanics and Thermal Physics

Moments and Equilibrium - Applications in daily life
Moments and Equilibrium - Vehicle stability and load

By the end of the lesson, the learner should be able to:
- Describe applications of torque, couples and stability
- Explain use in spanners, screwdrivers and vehicles
- Appreciate stability in racing cars and buses

In groups, learners are guided to:
- Use print/non-print media to search for applications
- Discuss applications in groups
- Present findings on torque and stability

How does the stability of bodies affect the designs of their structures?

- Triumph Physics Grade 10 pg. 96-98
- Digital devices
- Reference books
- Pictures of tools
- Charts
- Triumph Physics Grade 10 pg. 98-99
- Nearby garage
- Exercise books
- Pens

- Presentations - Oral questions - Written assignments

Mechanics and Thermal Physics

Moments and Equilibrium - Review

By the end of the lesson, the learner should be able to:
- Solve problems on moments and equilibrium
- Apply principles to real situations
- Demonstrate understanding of torque and stability

In groups, learners are guided to:
- Solve numerical problems on moments
- Answer revision questions
- Discuss challenging concepts

How does the stability of bodies affect the designs of their structures?

- Triumph Physics Grade 10 pg. 99
- Exercise books
- Calculators
- Past papers

- Written tests - Problem solving - Self-assessment

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Basic concepts
Energy, Work, Power and Machines - Work done

By the end of the lesson, the learner should be able to:
- Explain the meaning of energy, work and power
- Distinguish between the three concepts
- Relate to real-life examples like lifting objects and running

In groups, learners are guided to:
- Discuss with peers the meaning of energy, work, power and machines
- Give examples from daily life
- Record definitions

How do machines make work easier?

- Triumph Physics Grade 10 pg. 100-102
- Digital devices
- Reference books
- Exercise books
- Triumph Physics Grade 10 pg. 102-105
- Books
- Spring balance
- Ruler
- Calculator

- Oral questions - Written assignments - Group discussions

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Forms of energy
Energy, Work, Power and Machines - Mechanical energy

By the end of the lesson, the learner should be able to:
- Explain energy as ability to do work
- Identify different forms of energy
- Relate energy sources to renewable and non-renewable

In groups, learners are guided to:
- Discuss different forms of energy
- Give examples of energy sources
- Classify sources as renewable or non-renewable

How do machines make work easier?

- Triumph Physics Grade 10 pg. 105-106
- Digital devices
- Charts
- Reference books
- Pictures
- Triumph Physics Grade 10 pg. 106-109
- Tennis ball
- Metre rule
- Calculator
- Exercise books

- Oral questions - Written assignments - Observation

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Energy transformations
Energy, Work, Power and Machines - Law of conservation

By the end of the lesson, the learner should be able to:
- Demonstrate transformation of mechanical energy
- Explain energy changes in swinging pendulum
- Relate to real-life applications like roller coasters

In groups, learners are guided to:
- Carry out activities to demonstrate energy transformation using pendulum
- Observe potential to kinetic energy changes
- Discuss energy at different points

How do machines make work easier?

- Triumph Physics Grade 10 pg. 109-112
- Pendulum (mass and string)
- Retort stand
- Clamp
- Digital devices
- Triumph Physics Grade 10 pg. 112-115
- Pendulum
- Ball
- Marble
- Ramp
- Calculator

- Practical assessment - Observation - Oral questions

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Vehicle energy systems
Energy, Work, Power and Machines - Rate of doing work

By the end of the lesson, the learner should be able to:
- Identify energy transformations in vehicles
- Explain chemical to mechanical energy conversion
- Appreciate safety measures in vehicles

In groups, learners are guided to:
- Visit nearby garage and observe vehicle components
- Identify energy transformations
- Discuss safety precautions

How do machines make work easier?

- Triumph Physics Grade 10 pg. 115-117
- Nearby garage
- Exercise books
- Pens
- Resource persons
- Triumph Physics Grade 10 pg. 117-119
- Stopwatch
- Metre rule
- Weighing scale
- Staircase
- Calculator

- Observation - Oral questions - Written reports

Mechanics and Thermal Physics

Energy, Work, Power and Machines - MA, VR and efficiency
Energy, Work, Power and Machines - Types of levers

By the end of the lesson, the learner should be able to:
- Explain mechanical advantage as Load/Effort
- Explain velocity ratio and efficiency
- Calculate MA, VR and efficiency

In groups, learners are guided to:
- Discuss the meaning of MA, VR and efficiency
- Use mathematical relationships
- Solve numerical problems

How do machines make work easier?

- Triumph Physics Grade 10 pg. 119-122
- Digital devices
- Reference books
- Calculator
- Exercise books
- Triumph Physics Grade 10 pg. 122-125
- Pictures of levers

- Written tests - Problem solving - Oral questions

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Inclined plane
Energy, Work, Power and Machines - Wheel and axle system

By the end of the lesson, the learner should be able to:
- Explain how inclined plane works
- Calculate VR = length/height
- Investigate factors affecting MA

In groups, learners are guided to:
- Investigate how length affects MA of inclined plane
- Use trolley on ramp
- Record data and calculate MA

How do machines make work easier?

- Triumph Physics Grade 10 pg. 125-128
- Trolley
- Inclined plane
- Weights
- Pulley
- Ruler
- Triumph Physics Grade 10 pg. 128-130
- Rod with handle
- Thread
- Calculator

- Practical assessment - Data analysis - Written tests

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Gear systems

By the end of the lesson, the learner should be able to:
- Explain how gears work
- Calculate VR = teeth on driven/teeth on driver
- Relate to bicycles and clocks

In groups, learners are guided to:
- Search for information on gear systems
- Discuss how gears change speed and force
- Solve numerical problems

How do machines make work easier?

- Triumph Physics Grade 10 pg. 130-132
- Digital devices
- Pictures of gears
- Reference books
- Calculator

- Written tests - Problem solving - Oral questions

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Hydraulic systems
Energy, Work, Power and Machines - Other simple machines

By the end of the lesson, the learner should be able to:
- Explain how hydraulic lift works
- Calculate VR = (R/r)²
- Appreciate use in car jacks and garage lifts

In groups, learners are guided to:
- Discuss hydraulic lift principle
- Calculate forces using Pascal's principle
- Solve numerical problems

How do machines make work easier?

- Triumph Physics Grade 10 pg. 132-134
- Digital devices
- Pictures of hydraulic lifts
- Calculator
- Reference books
- Triumph Physics Grade 10 pg. 134-138
- Pictures

- Written tests - Problem solving - Oral questions

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Complex machines
Energy, Work, Power and Machines - Making machines

By the end of the lesson, the learner should be able to:
- Describe use of machines in treadmills, elevators and escalators
- Explain simple machines in excavators
- Appreciate machines in making work easier

In groups, learners are guided to:
- Search for information on complex machines
- Identify simple machines in them
- Discuss applications

How do machines make work easier?

- Triumph Physics Grade 10 pg. 138-141
- Digital devices
- Pictures
- Reference books
- Charts
- Triumph Physics Grade 10 pg. 141
- Wood
- Ropes
- Pulleys
- Nails
- Local materials

- Presentations - Oral questions - Written assignments

Mechanics and Thermal Physics
Waves and Optics
Waves and Optics
Waves and Optics

Energy, Work, Power and Machines - Review
Properties of Waves - Wave properties in real-life situations
Properties of Waves - Demonstrating wave properties using a ripple tank
Properties of Waves - Rectilinear propagation of waves

By the end of the lesson, the learner should be able to:
- Solve problems on energy, work, power and machines
- Apply concepts to real situations
- Demonstrate understanding of all topics

In groups, learners are guided to:
- Solve numerical problems
- Answer revision questions
- Discuss challenging concepts

How do machines make work easier?

- Triumph Physics Grade 10 pg. 142
- Exercise books
- Calculators
- Past papers
- Triumph Physics 10 pg. 139
- Digital devices
- Reference books
- Writing materials
- Triumph Physics 10 pg. 141
- Ripple tank with components
- Bar and ball dippers
- Light source
- White screen
- Triumph Physics 10 pg. 143
- Ripple tank
- Manila paper
- Markers

- Written tests - Problem solving - Self-assessment

Waves and Optics

Properties of Waves - Reflection of waves
Properties of Waves - Refraction of waves
Properties of Waves - Diffraction of waves

By the end of the lesson, the learner should be able to:
- State the law of reflection
- Demonstrate reflection of waves using different shaped barriers
- Relate wave reflection to everyday applications like mirrors, periscopes and acoustic design

In groups, learners are guided to:
- Generate plane waves and observe reflection off straight barriers
- Measure and compare angles of incidence and reflection
- Observe reflection patterns using concave and convex barriers
- Sketch wave patterns before and after reflection

How does the shape of a barrier affect the reflection pattern of waves?

- Triumph Physics 10 pg. 144
- Ripple tank
- Metal barriers (straight, concave, convex)
- Ruler
- Manila paper
- Triumph Physics 10 pg. 147
- Clear plastic sheets (rectangular and convex)
- Manila paper
- Markers
- Triumph Physics 10 pg. 150
- Metal barriers with gaps

- Practical assessment - Observation - Oral questions

Waves and Optics

Properties of Waves - Interference of waves
Properties of Waves - Formation and properties of stationary waves
Properties of Waves - Applications of stationary waves in vibrating strings

By the end of the lesson, the learner should be able to:
- Explain constructive and destructive interference
- Demonstrate interference patterns using two spherical dippers
- Connect interference to noise-cancelling headphones and hologram technology

In groups, learners are guided to:
- Attach two spherical dippers to the vibrator
- Observe alternating bright and dark bands formed
- Sketch wave patterns labelling regions of constructive and destructive interference
- Discuss applications of interference in everyday life

What causes some regions to have louder sound while others are quieter when two speakers play the same tone?

- Triumph Physics 10 pg. 152
- Ripple tank
- Two spherical dippers
- Manila paper
- Markers
- Triumph Physics 10 pg. 155
- Rubber bands
- Slinky spring
- Fixed block
- Smooth surface
- Triumph Physics 10 pg. 159
- String (1-2 metres)
- Fixed support
- Pulley and masses
- Ruler

- Practical assessment - Observation - Written assignments

Waves and Optics

Properties of Waves - Vibrating air columns in closed and open pipes
Properties of Waves - Resonance and frequency modulated waves

By the end of the lesson, the learner should be able to:
- Derive expressions for frequencies in closed and open pipes
- Differentiate between harmonics produced in closed and open pipes
- Connect vibrating air columns to wind instruments like flutes and clarinets

In groups, learners are guided to:
- Blow air across closed and open pipes and listen to sounds produced
- Compare pitch differences between closed and open pipes
- Discuss why closed pipes produce only odd harmonics
- Calculate frequencies of harmonics in pipes

Why do closed pipes produce only odd harmonics while open pipes produce all harmonics?

- Triumph Physics 10 pg. 161
- Closed pipe (boiling tube)
- Open pipe
- Ruler
- Triumph Physics 10 pg. 164
- Glass tube
- Tuning fork
- Container with water
- FM radio receiver

- Written assignments - Oral questions - Practical assessment

Waves and Optics

Properties of Waves - Doppler effect and applications
Radioactivity and Stability of Isotopes - Terminologies used in radioactivity
Radioactivity and Stability of Isotopes - Types and properties of alpha, beta and gamma radiations

By the end of the lesson, the learner should be able to:
- Explain the Doppler effect and its causes
- Describe how frequency changes when source approaches or recedes
- Connect Doppler effect to ambulance sirens, radar speed detection and medical ultrasound

In groups, learners are guided to:
- Watch videos demonstrating Doppler effect with sound waves
- Observe how sound changes as source moves toward or away
- Discuss real-life applications of Doppler effect
- Record observations on frequency and pitch changes

Why does an ambulance siren sound different as it approaches compared to when it moves away?

- Triumph Physics 10 pg. 166
- Digital devices
- Internet access
- Writing materials
- Triumph Physics 10 pg. 169
- Reference books
- Periodic table
- Triumph Physics 10 pg. 171
- Property cards
- Manila paper
- Markers

- Oral questions - Written assignments - Observation

Waves and Optics

Radioactivity and Stability of Isotopes - Behaviour of radiations in electric and magnetic fields
Radioactivity and Stability of Isotopes - Nuclear equations showing how radionuclides attain stability
Radioactivity and Stability of Isotopes - Decay series and chain reactions
Radioactivity and Stability of Isotopes - Safety precautions in handling and disposing of radioactive substances

By the end of the lesson, the learner should be able to:
- Describe how alpha, beta and gamma radiations behave in electric and magnetic fields
- Draw diagrams showing deflection of radiations in fields
- Connect radiation deflection to particle accelerators and mass spectrometers

In groups, learners are guided to:
- Draw bar charts comparing penetrating power and ionising effects
- Draw diagrams showing deflection in electric and magnetic fields
- Discuss why gamma rays are not deflected
- Present charts to class for peer learning

Why are alpha and beta particles deflected in opposite directions in electric and magnetic fields?

- Triumph Physics 10 pg. 173
- Manila paper
- Coloured pencils
- Rulers
- Triumph Physics 10 pg. 175
- Periodic table
- Chart of nuclides
- Exercise books
- Triumph Physics 10 pg. 178
- Uranium-238 decay chart
- Triumph Physics 10 pg. 179
- Digital devices
- Markers

- Practical assessment - Written assignments - Observation

Waves and Optics

Radioactivity and Stability of Isotopes - Detection of radioactive emissions using photographic plates and electroscopes
Radioactivity and Stability of Isotopes - Detection using Geiger-Muller counter and cloud chamber
Radioactivity and Stability of Isotopes - Half-life and decay curves

By the end of the lesson, the learner should be able to:
- Explain how photographic emulsions detect radiation
- Describe how a leaf electroscope detects radiation
- Connect radiation detection to radiation badges worn by hospital workers

In groups, learners are guided to:
- Observe demonstration of photographic plate detection
- Construct a simple electroscope and observe discharge near radioactive material
- Discuss how ionisation affects charge on foil strips
- Compare detection methods and their applications

How do photographic plates and electroscopes indicate the presence of radiation?

- Triumph Physics 10 pg. 180
- Photographic plates
- Electroscope materials
- Radioactive source
- Triumph Physics 10 pg. 183
- Digital devices
- Reference books
- Manila paper
- Triumph Physics 10 pg. 185
- Burette
- Stopwatch
- Beaker
- Graph paper

- Practical assessment - Oral questions - Observation

Waves and Optics
Electricity and Magnetism
Electricity and Magnetism
Electricity and Magnetism

Radioactivity and Stability of Isotopes - Nuclear fission, fusion and applications of radioactivity
Electrostatics - Origin of charges in a material
Electrostatics - Electric field patterns around charges
Electrostatics - Law of electrostatics

By the end of the lesson, the learner should be able to:
- Differentiate between nuclear fission and nuclear fusion
- Write nuclear equations for fission and fusion reactions
- Connect nuclear reactions to power generation, medical imaging and cancer treatment

In groups, learners are guided to:
- Study pictures of nuclear fission reactions
- Discuss chain reactions and their control in nuclear reactors
- Research applications of radioactivity in medicine, industry and agriculture
- Present findings on applications to class

How do nuclear power plants harness fission energy while preventing uncontrolled chain reactions?

- Triumph Physics 10 pg. 189
- Digital devices
- Pictures of nuclear reactions
- Reference books
- Triumph Physics 10 pg. 194
- Balloons
- Woollen cloth
- Small pieces of paper
- Triumph Physics 10 pg. 196
- Manila paper
- Coloured pencils
- Rulers
- Triumph Physics 10 pg. 199
- Plastic rulers
- Glass rod
- Silk cloth
- Woollen cloth

- Written assignments - Oral questions - Observation

Electricity and Magnetism

Electrostatics - Charging by friction and contact methods
Electrostatics - Charging by induction and separation methods

By the end of the lesson, the learner should be able to:
- Explain charging by friction and contact methods
- Demonstrate charging of objects using friction and contact
- Connect charging by friction to static shocks from car doors and door handles

In groups, learners are guided to:
- Rub plastic pen with dry cloth and bring near paper pieces
- Sketch distribution of charges on rubbed materials
- Touch charged glass rod to polystyrene ball and observe charge transfer
- Discuss electron transfer in charging by contact

How does rubbing two materials together cause them to become charged?

- Triumph Physics 10 pg. 200
- Plastic pen
- Dry woollen cloth
- Polystyrene ball
- Glass rod
- Triumph Physics 10 pg. 203
- Polythene rod
- Metal balls on insulated stands
- Connecting wire

- Practical assessment - Written assignments - Observation