Mechanics and Thermal Physics

Energy, Work, Power and Machines - Basic concepts

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

- Oral questions - Written assignments - Group discussions

Mechanics and Thermal Physics

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

By the end of the lesson, the learner should be able to:
- Explain work as force × distance
- Calculate work done using W = F × d
- Solve numerical problems on work

In groups, learners are guided to:
- Carry out activities to demonstrate work
- Push objects across the room
- Calculate work done in different scenarios

How do machines make work easier?

- Triumph Physics Grade 10 pg. 102-105
- Books
- Spring balance
- Ruler
- Calculator
- Triumph Physics Grade 10 pg. 105-106
- Digital devices
- Charts
- Reference books
- Pictures

- Practical assessment - Problem solving - Written tests

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Mechanical energy

By the end of the lesson, the learner should be able to:
- Explain gravitational potential energy using PE = mgh
- Explain kinetic energy using KE = ½mv²
- Calculate potential and kinetic energy

In groups, learners are guided to:
- Drop tennis ball from different heights
- Observe energy transformation
- Calculate PE and KE using formulas

How do machines make work easier?

- Triumph Physics Grade 10 pg. 106-109
- Tennis ball
- Metre rule
- Calculator
- Exercise books

- Practical assessment - Problem solving - Written tests

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Energy transformations

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

- Practical assessment - Observation - Oral questions

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Law of conservation

By the end of the lesson, the learner should be able to:
- Explain the law of conservation of energy
- Demonstrate energy conservation using experiments
- Apply conservation law to solve problems

In groups, learners are guided to:
- Carry out experiments to demonstrate conservation (swinging pendulum, ball thrown upwards)
- Calculate total energy at different points
- Verify energy is conserved

How do machines make work easier?

- Triumph Physics Grade 10 pg. 112-115
- Pendulum
- Ball
- Marble
- Ramp
- Calculator

- Practical assessment - Problem solving - Written tests

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Vehicle energy systems

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

- Observation - Oral questions - Written reports

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Rate of doing work
Energy, Work, Power and Machines - MA, VR and efficiency

By the end of the lesson, the learner should be able to:
- Explain power as rate of doing work
- Calculate power using P = W/t
- Solve numerical problems on power

In groups, learners are guided to:
- Carry out activities to measure power (running up stairs)
- Calculate work done and time taken
- Determine power output

How do machines make work easier?

- Triumph Physics Grade 10 pg. 117-119
- Stopwatch
- Metre rule
- Weighing scale
- Staircase
- Calculator
- Triumph Physics Grade 10 pg. 119-122
- Digital devices
- Reference books
- Exercise books

- Practical assessment - Problem solving - Written tests

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Types of levers

By the end of the lesson, the learner should be able to:
- Describe levers and their types
- Explain principle of moments in levers
- Calculate VR and MA of levers

In groups, learners are guided to:
- Search for information on levers
- Identify different classes of levers
- Calculate VR = effort arm/load arm

How do machines make work easier?

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

- Written tests - Problem solving - Oral questions

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Inclined plane

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

- Practical assessment - Data analysis - Written tests

Mechanics and Thermal Physics

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

By the end of the lesson, the learner should be able to:
- Explain how wheel and axle works
- Calculate VR = radius of wheel/radius of axle
- Relate to winches and door knobs

In groups, learners are guided to:
- Investigate wheel and axle using rod and handle
- Apply force at different positions
- Calculate VR and MA

How do machines make work easier?

- Triumph Physics Grade 10 pg. 128-130
- Rod with handle
- Thread
- Weights
- Ruler
- Calculator

- Practical assessment - Problem solving - Written tests

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Gear systems
Energy, Work, Power and Machines - Hydraulic 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
- Triumph Physics Grade 10 pg. 132-134
- Pictures of hydraulic lifts

- Written tests - Problem solving - Oral questions

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Other simple machines

By the end of the lesson, the learner should be able to:
- Explain pulleys, screws and pulley belts
- Calculate VR for different pulley systems
- Relate to real applications

In groups, learners are guided to:
- Search for information on pulleys, screws and belts
- Discuss their working principles
- Calculate VR for each type

How do machines make work easier?

- Triumph Physics Grade 10 pg. 134-138
- Digital devices
- Pictures
- Reference books
- Calculator

- Written tests - Problem solving - Presentations

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Complex 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

- Presentations - Oral questions - Written assignments

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Making machines

By the end of the lesson, the learner should be able to:
- Construct simple machines using local materials
- Test functionality of constructed machines
- Appreciate practical applications of machines

In groups, learners are guided to:
- Use locally available materials to construct simple machines
- Test the machines
- Present to class for assessment

How do machines make work easier?

- Triumph Physics Grade 10 pg. 141
- Wood
- Ropes
- Pulleys
- Nails
- Local materials

- Project work - Practical assessment - Peer assessment

Mechanics and Thermal Physics
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

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

- Written tests - Problem solving - Self-assessment

Waves and Optics

Properties of Waves - Rectilinear propagation of waves
Properties of Waves - Reflection of waves

By the end of the lesson, the learner should be able to:
- Explain rectilinear propagation of waves
- Demonstrate rectilinear propagation using a ripple tank
- Connect rectilinear propagation to shadow formation and pinhole cameras

In groups, learners are guided to:
- Set up a ripple tank with bar and ball dippers
- Generate straight and circular waves and observe their propagation
- Sketch wave patterns and label direction of travel
- Discuss applications of rectilinear propagation

Why do waves travel in straight lines perpendicular to the wavefront?

- Triumph Physics 10 pg. 143
- Ripple tank
- Bar and ball dippers
- Manila paper
- Markers
- Triumph Physics 10 pg. 144
- Metal barriers (straight, concave, convex)
- Ruler
- Manila paper

- Practical assessment - Observation - Written assignments

Waves and Optics

Properties of Waves - Refraction of waves
Properties of Waves - Diffraction of waves
Properties of Waves - Interference of waves

By the end of the lesson, the learner should be able to:
- Explain refraction as bending of waves due to change in speed
- Demonstrate refraction of waves in a ripple tank
- Connect refraction to how lenses work in eyeglasses, cameras and microscopes

In groups, learners are guided to:
- Place rectangular plastic sheets to create shallow water regions
- Observe how wave speed and direction change at boundaries
- Sketch wave patterns showing refraction
- Discuss why sound travels farther at night than during the day

Why do waves bend when they move from one medium to another?

- Triumph Physics 10 pg. 147
- Ripple tank
- Clear plastic sheets (rectangular and convex)
- Manila paper
- Markers
- Triumph Physics 10 pg. 150
- Metal barriers with gaps
- Triumph Physics 10 pg. 152
- Two spherical dippers

- Practical assessment - Written assignments - Observation

Waves and Optics

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:
- Describe how stationary waves are formed from two progressive waves
- Identify nodes and antinodes in stationary waves
- Connect stationary waves to musical instruments like guitars and violins

In groups, learners are guided to:
- Stretch a rubber band and pluck to observe stationary wave patterns
- Identify regions of highest amplitude (antinodes) and zero amplitude (nodes)
- Vary tension and observe changes in wave pattern
- Discuss properties of stationary waves

How do nodes and antinodes form in a stationary wave?

- 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 - Oral questions

Waves and Optics

Properties of Waves - Vibrating air columns in closed and open pipes

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

- Written assignments - Oral questions - Practical assessment

Waves and Optics

Properties of Waves - Resonance and frequency modulated waves

By the end of the lesson, the learner should be able to:
- Explain resonance and its conditions
- Describe how FM radio waves carry sound information
- Connect resonance to tuning musical instruments and FM to radio broadcasting

In groups, learners are guided to:
- Set up a glass tube in water with a tuning fork to demonstrate resonance
- Adjust air column length to find resonance point
- Tune an FM radio receiver to different stations
- Research how FM radio waves carry sound information

How does a radio receiver select and play a specific FM station?

- Triumph Physics 10 pg. 164
- Glass tube
- Tuning fork
- Container with water
- FM radio receiver

- Oral questions - Written assignments - Observation

Waves and Optics

Properties of Waves - Doppler effect and applications
Radioactivity and Stability of Isotopes - Terminologies used in radioactivity

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

- Oral questions - Written assignments - Observation

Waves and Optics

Radioactivity and Stability of Isotopes - Types and properties of alpha, beta and gamma radiations
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

By the end of the lesson, the learner should be able to:
- Describe the nature, charge and mass of alpha, beta and gamma radiations
- Compare penetrating power and ionising effects of the three radiations
- Connect radiation properties to their use in smoke detectors and medical treatment

In groups, learners are guided to:
- Study cards showing properties of alpha, beta and gamma emissions
- Discuss nature, charge and mass of each radiation type
- Compare penetrating power and ionising effects
- Summarise properties on manila paper for presentation

Why is alpha radiation most dangerous inside the body but least dangerous outside?

- Triumph Physics 10 pg. 171
- Property cards
- Manila paper
- Markers
- Triumph Physics 10 pg. 173
- Coloured pencils
- Rulers
- Triumph Physics 10 pg. 175
- Periodic table
- Chart of nuclides
- Exercise books

- Oral questions - Written assignments - Observation

Waves and Optics

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:
- Explain decay series as a sequence of radioactive decays
- Trace the uranium-238 decay series to lead-206
- Connect decay series to geological dating of rocks and minerals

In groups, learners are guided to:
- Observe and copy the Uranium-238 decay chart
- Identify radioactive emissions at each stage
- Write nuclear equations for decay steps in the series
- Present findings on decay series to class

Why does uranium-238 undergo multiple decays before becoming stable lead-206?

- Triumph Physics 10 pg. 178
- Uranium-238 decay chart
- Periodic table
- Exercise books
- Triumph Physics 10 pg. 179
- Digital devices
- Manila paper
- Markers

- Written assignments - Oral questions - 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

Radioactivity and Stability of Isotopes - Nuclear fission, fusion and applications of radioactivity

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

- Written assignments - Oral questions - Observation

Electricity and Magnetism

Current Electricity - Terminologies used in current electricity
Current Electricity - Relationship between potential difference and current through a conductor
Current Electricity - Ohm's Law and electrical resistance

By the end of the lesson, the learner should be able to:
- Define current, potential difference, resistance and electromotive force
- State SI units for electrical quantities
- Connect electrical terms to household appliances like bulbs, heaters and phone chargers

In groups, learners are guided to:
- Use digital devices or reference books to find meanings of electrical terms
- Discuss current, potential difference, e.m.f. and internal resistance
- Identify symbols and units for electrical quantities
- Share findings on terminology in class discussion

How is electromotive force different from potential difference in an electrical circuit?

- Triumph Physics 10 pg. 213
- Digital devices
- Reference books
- Writing materials
- Triumph Physics 10 pg. 214
- Nichrome wire
- Ammeter
- Voltmeter
- Variable resistor
- Dry cells
- Triumph Physics 10 pg. 216
- Graph paper
- Calculators
- Exercise books

- Oral questions - Written assignments - Observation

Electricity and Magnetism

Current Electricity - Ohmic and non-ohmic resistors
Current Electricity - Effect of length on resistance of conductors

By the end of the lesson, the learner should be able to:
- Distinguish between ohmic and non-ohmic resistors
- Draw current-voltage graphs for ohmic and non-ohmic conductors
- Connect non-ohmic behaviour to filament bulbs dimming when voltage drops

In groups, learners are guided to:
- Set up circuit with carbon resistor and record current-voltage readings
- Replace with filament bulb and record readings
- Plot I-V graphs for both and compare shapes
- Discuss why filament bulb resistance changes with temperature

Why does a filament bulb's resistance increase as it gets hotter?

- Triumph Physics 10 pg. 217
- Carbon resistor
- Filament bulb
- Ammeter
- Voltmeter
- Dry cells
- Triumph Physics 10 pg. 219
- Nichrome wire (100 cm)

- Practical assessment - Written assignments - Observation

Electricity and Magnetism

Current Electricity - Effect of cross-sectional area on resistance
Current Electricity - Effect of material type and temperature on resistance
Current Electricity - Relationship between e.m.f., voltage, current, resistance and internal resistance

By the end of the lesson, the learner should be able to:
- Investigate how cross-sectional area affects resistance
- Establish inverse relationship between area and resistance
- Connect area-resistance relationship to thick cables used in power transmission lines

In groups, learners are guided to:
- Set up circuit with nichrome wires of different thicknesses
- Measure resistance for 0.2 mm and 0.4 mm diameter wires
- Compare average resistance values
- Discuss why thicker wires have lower resistance

Why are thick copper cables used for transmitting electricity over long distances?

- Triumph Physics 10 pg. 221
- Nichrome wires of different diameters
- Ammeter
- Voltmeter
- Dry cells
- Triumph Physics 10 pg. 222
- Nichrome and copper wires
- Hot water
- Voltmeter
- Triumph Physics 10 pg. 225
- Dry cell
- Variable resistor

- Practical assessment - Written assignments - Observation

Electricity and Magnetism

Current Electricity - Types of resistors and resistor networks

By the end of the lesson, the learner should be able to:
- Identify fixed and variable resistors and state their uses
- Draw symbols for different types of resistors
- Connect resistor types to volume controls in radios and dimmer switches in homes

In groups, learners are guided to:
- Identify fixed resistors (carbon) and variable resistors (rheostat, potentiometer, thermistor)
- Draw circuit symbols for each resistor type
- Discuss uses of each type of resistor
- Complete table showing resistor types, symbols and uses

How do variable resistors help control the brightness of lights and volume of sound?

- Triumph Physics 10 pg. 227
- Various resistors
- Circuit symbol charts
- Exercise books

- Oral questions - Written assignments - Observation

Electricity and Magnetism

Current Electricity - Measurement of resistance using resistor colour codes
Current Electricity - Measurement of resistance using ammeter-voltmeter and Wheatstone bridge

By the end of the lesson, the learner should be able to:
- Read resistance values from colour coded resistors
- Calculate resistance and tolerance from colour bands
- Connect colour coding to identifying resistor values when repairing electronic devices

In groups, learners are guided to:
- Study resistor colour code chart
- Observe colour bands on fixed carbon resistors
- Calculate resistance values using colour codes
- Verify calculated values using digital multimeter

How do the colour bands on a resistor indicate its resistance value and tolerance?

- Triumph Physics 10 pg. 228
- Fixed carbon resistors
- Colour code chart
- Digital multimeter
- Triumph Physics 10 pg. 231
- Ammeter
- Voltmeter
- Wheatstone bridge
- Galvanometer

- Practical assessment - Written assignments - Observation

Electricity and Magnetism

Current Electricity - Measurement of resistance using metre bridge

By the end of the lesson, the learner should be able to:
- Describe the metre bridge as a practical form of Wheatstone bridge
- Use metre bridge to determine unknown resistance
- Connect metre bridge principle to strain gauges used in weighing scales

In groups, learners are guided to:
- Set up metre bridge circuit with known and unknown resistors
- Slide jockey along wire until galvanometer shows zero deflection
- Record balance lengths and calculate unknown resistance
- Compare calculated values with standard values

How does the metre bridge use the principle of balanced ratios to measure resistance?

- Triumph Physics 10 pg. 233
- Metre bridge
- Known resistor
- Unknown resistor
- Galvanometer

- Practical assessment - Written assignments - Observation

Electricity and Magnetism

Current Electricity - Effective resistance of resistors in series

By the end of the lesson, the learner should be able to:
- Derive formula for effective resistance of resistors in series
- Calculate total resistance and voltage drops in series circuits
- Connect series circuits to Christmas lights where one faulty bulb affects all others

In groups, learners are guided to:
- Connect resistors in series with ammeter and voltmeters
- Measure total voltage and individual voltage drops
- Verify that R_total = R₁ + R₂ + R₃
- Solve numerical problems on series resistor networks

Why does adding more resistors in series increase the total resistance of a circuit?

- Triumph Physics 10 pg. 234
- Resistors
- Ammeter
- Voltmeters
- Dry cells

- Practical assessment - Written assignments - Observation

Electricity and Magnetism

Current Electricity - Effective resistance of resistors in parallel

By the end of the lesson, the learner should be able to:
- Derive formula for effective resistance of resistors in parallel
- Calculate total resistance and branch currents in parallel circuits
- Connect parallel circuits to house wiring where each appliance operates independently

In groups, learners are guided to:
- Connect resistors in parallel with ammeter and voltmeters
- Measure total current and individual branch currents
- Verify that 1/R_total = 1/R₁ + 1/R₂ + 1/R₃
- Solve numerical problems on parallel resistor networks

Why is the total resistance of parallel resistors always less than the smallest individual resistor?

- Triumph Physics 10 pg. 237
- Resistors
- Ammeter
- Voltmeters
- Dry cells

- Practical assessment - Written assignments - Observation

Electricity and Magnetism

Current Electricity - Relationship between voltage, current and power in heating effect

By the end of the lesson, the learner should be able to:
- Derive and apply P = VI, P = I²R and H = I²Rt
- Calculate electrical power and energy consumed
- Connect heating effect to electric kettles, heaters and toasters in homes

In groups, learners are guided to:
- Set up circuit with resistor, ammeter and voltmeter
- Record voltage and current at different settings
- Calculate power using P = VI
- Derive Joule's law of electrical heating H = I²Rt

How does the resistance of a heating element affect the amount of heat produced?

- Triumph Physics 10 pg. 241
- Resistor
- Ammeter
- Voltmeter
- Rheostat

- Written assignments - Oral questions - Observation

Electricity and Magnetism

Current Electricity - Applications of the heating effect of electric current
Introduction to Electronics - Meaning of insulators, conductors, semiconductors and superconductors
Introduction to Electronics - Distinguishing materials using energy band theory

By the end of the lesson, the learner should be able to:
- Describe applications of electrical heating in various devices
- Explain the role of fuses in circuit protection
- Connect heating applications to cooking appliances, lighting and industrial furnaces

In groups, learners are guided to:
- Research applications of heating effect in cooking appliances, lighting and circuit protection
- Discuss how fuses and circuit breakers protect circuits
- Compare ohmic devices (heaters) and non-ohmic devices (filament bulbs)
- Present findings on applications to class

How do fuses use the heating effect of current to protect electrical circuits?

- Triumph Physics 10 pg. 245
- Digital devices
- Reference books
- Various electrical appliances
- Triumph Physics 10 pg. 248
- Simple circuit
- Various materials (copper, iron, wood, plastic, silicon)
- Bulb
- Triumph Physics 10 pg. 250
- Manila paper
- Coloured pencils
- Markers

- Written assignments - Oral questions - Observation

Electricity and Magnetism

Introduction to Electronics - Electrical behaviour of conductors with varying temperatures
Introduction to Electronics - Electrical behaviour of insulators with varying temperatures

By the end of the lesson, the learner should be able to:
- Investigate how temperature affects resistance of conductors
- Explain why conductor resistance increases with temperature
- Connect temperature effect to why power lines sag more on hot days

In groups, learners are guided to:
- Set up circuit with copper wire, ammeter and voltmeter
- Measure resistance at room temperature
- Heat copper wire and measure new resistance
- Cool wire with ice and compare resistance values

Why does the resistance of copper wire increase when it is heated?

- Triumph Physics 10 pg. 253
- Copper wire
- Ammeter
- Voltmeter
- Hot water
- Ice cubes
- Triumph Physics 10 pg. 254
- Glass rod
- Light bulb
- Dry cells

- Practical assessment - Written assignments - Observation

Electricity and Magnetism

Introduction to Electronics - Electrical behaviour of semiconductors with varying temperatures
Introduction to Electronics - Intrinsic semiconductors
Introduction to Electronics - Extrinsic semiconductors

By the end of the lesson, the learner should be able to:
- Investigate how temperature affects resistance of semiconductors
- Explain why semiconductor resistance decreases with temperature
- Connect semiconductor behaviour to thermistors used in temperature sensors and fire alarms

In groups, learners are guided to:
- Set up circuit with thermistor, ammeter and voltmeter
- Measure resistance at room temperature
- Heat thermistor in hot water and measure resistance
- Cool thermistor in ice water and compare values

Why does the resistance of a thermistor decrease when temperature increases?

- Triumph Physics 10 pg. 255
- Thermistor
- Ammeter
- Voltmeter
- Hot water
- Ice cubes
- Triumph Physics 10 pg. 257
- Digital devices
- Reference books
- Writing materials
- Triumph Physics 10 pg. 258
- Periodic table

- Practical assessment - Written assignments - Observation

Electricity and Magnetism

Introduction to Electronics - Formation of n-type semiconductors
Introduction to Electronics - Formation of p-type semiconductors

By the end of the lesson, the learner should be able to:
- Explain formation of n-type semiconductors through doping
- Draw diagrams showing electron distribution in n-type materials
- Connect n-type semiconductors to one half of diodes and transistors used in phones

In groups, learners are guided to:
- Research formation of n-type semiconductors
- Discuss addition of group V elements (phosphorus, arsenic)
- Draw silicon lattice doped with phosphorus showing free electron
- Identify electrons as majority charge carriers

Why are group V elements used to create n-type semiconductors?

- Triumph Physics 10 pg. 259
- Digital devices
- Manila paper
- Coloured pencils
- Triumph Physics 10 pg. 260

- Written assignments - Oral questions - Observation

Electricity and Magnetism
Environmental and Space Physics

Introduction to Electronics - Applications of conductors, semiconductors, insulators and superconductors
Greenhouse Effect and Climate Change - Understanding greenhouse effect

By the end of the lesson, the learner should be able to:
- Describe applications of different material types in electronics
- Explain role of semiconductors in diodes, transistors and integrated circuits
- Connect material applications to everyday devices like phones, computers and MRI machines

In groups, learners are guided to:
- Research applications of conductors, semiconductors, insulators and superconductors
- Discuss applications in electrical wiring, electronics, circuit protection and medical imaging
- Complete table showing materials, types and applications
- Present findings on applications to class

How do semiconductors enable the functioning of modern electronic devices?

- Triumph Physics 10 pg. 261
- Digital devices
- Reference books
- Manila paper
- Triumph Physics Grade 10 pg. 263
- Two thermometers
- Clear glass jar
- Stopwatch
- Sunlight access

- Written assignments - Oral questions - Observation

Environmental and Space Physics

Greenhouse Effect and Climate Change - Effects of climate change
Greenhouse Effect and Climate Change - Causes of greenhouse effect

By the end of the lesson, the learner should be able to:
- Explain climate change in the environment
- Identify effects of climate change in local community
- Appreciate the impact of climate change on daily life

In groups, learners are guided to:
- Observe and discuss changes in weather patterns
- Interview elders about climate changes
- Document observations on water levels and vegetation

How do human actions impact climate change?

- Triumph Physics Grade 10 pg. 265
- Exercise books
- Pens
- Digital devices
- Pictures showing climate change
- Triumph Physics Grade 10 pg. 267
- Pictures of human activities
- Charts
- Reference books

- Observation - Written reports - Oral presentations

Environmental and Space Physics

Greenhouse Effect and Climate Change - Human contribution
Greenhouse Effect and Climate Change - Role of ozone layer
Greenhouse Effect and Climate Change - Solutions to climate change

By the end of the lesson, the learner should be able to:
- Explain how deforestation increases greenhouse gases
- Describe how farming and industries contribute
- Appreciate the need to reduce emissions

In groups, learners are guided to:
- Discuss deforestation and its effects
- Examine industrial processes
- Analyze farming practices producing methane

How do human actions impact climate change?

- Triumph Physics Grade 10 pg. 268
- Digital devices
- Pictures of industries
- Reference books
- Charts
- Triumph Physics Grade 10 pg. 269
- Charts showing ozone layer
- Internet access
- Triumph Physics Grade 10 pg. 271
- Manila paper
- Marker pens

- Oral questions - Written tests - Group discussions

Environmental and Space Physics

Introduction to Space Physics - Origin of the universe
Introduction to Space Physics - Supporting evidence

By the end of the lesson, the learner should be able to:
- Describe the Big Bang Theory of the origin of the universe
- Explain how the universe began and expanded
- Appreciate scientific theories about the universe

In groups, learners are guided to:
- Observe picture of night sky with stars and moon
- Use digital devices to research Big Bang Theory
- Discuss evidence supporting the theory

How was the universe/earth formed?

- Triumph Physics Grade 10 pg. 273
- Digital devices
- Pictures of night sky
- Reference books
- Charts
- Triumph Physics Grade 10 pg. 275
- Balloon
- Marker
- Ruler

- Oral questions - Written assignments - Presentations

Environmental and Space Physics

Introduction to Space Physics - Types of celestial bodies
Introduction to Space Physics - Other celestial objects

By the end of the lesson, the learner should be able to:
- Classify celestial bodies in the universe
- Distinguish between stars and planets
- Appreciate diversity of objects in space

In groups, learners are guided to:
- Watch video on celestial bodies
- Identify different types of celestial bodies
- Create table showing names, types and features

How do we benefit from astrophysics?

- Triumph Physics Grade 10 pg. 276
- Digital devices (QR code pg. 288)
- Solar system models
- Manila paper
- Marker pens
- Triumph Physics Grade 10 pg. 277
- Digital devices
- Pictures of celestial bodies
- Reference books
- Charts

- Presentations - Written assignments - Group discussions

Environmental and Space Physics

Introduction to Space Physics - Observing space

By the end of the lesson, the learner should be able to:
- Outline space exploration methods
- Explain how telescopes work
- Appreciate technological advances in space observation

In groups, learners are guided to:
- Search for information on different types of telescopes
- Discuss ground-based and space telescopes
- Compare Hubble and James Webb telescopes

How do we benefit from astrophysics?

- Triumph Physics Grade 10 pg. 278
- Digital devices
- Pictures of telescopes
- Reference books
- Internet access

- Oral questions - Written assignments - Presentations

Environmental and Space Physics

Introduction to Space Physics - Space technology

By the end of the lesson, the learner should be able to:
- Explain how satellites and space probes work
- Describe Kenya's Taifa-1 satellite
- Appreciate applications of satellites in daily life

In groups, learners are guided to:
- Research satellites and their functions
- Discuss communication and weather satellites
- Study space probes sent to planets

How do we benefit from astrophysics?

- Triumph Physics Grade 10 pg. 279
- Digital devices
- Pictures of satellites
- Reference books
- Charts

- Oral questions - Written tests - Group discussions

Environmental and Space Physics

Introduction to Space Physics - Planetary motion

By the end of the lesson, the learner should be able to:
- Explain the motion of planets around the sun
- Distinguish between rotation and revolution
- Appreciate gravitational forces in planetary motion

In groups, learners are guided to:
- Watch videos on planetary motion
- Compare rotation and revolution of planets
- Discuss orbital periods of different planets

How do we benefit from astrophysics?

- Triumph Physics Grade 10 pg. 281
- Digital devices
- Videos on planetary motion
- Reference books
- Charts

- Observation - Oral questions - Written tests

Environmental and Space Physics

Introduction to Space Physics - Solar system structure

By the end of the lesson, the learner should be able to:
- Model the solar system using local materials
- Demonstrate planetary orbits
- Appreciate scale and organization of solar system

In groups, learners are guided to:
- Create model of solar system using paper balls
- Paint planets in appropriate colors
- Arrange planets in correct order with distances

How do we benefit from astrophysics?

- Triumph Physics Grade 10 pg. 282
- Crushed paper balls
- Paints
- Wooden strip
- Thread
- Glue

- Project work - Practical assessment - Peer assessment

Environmental and Space Physics

Introduction to Space Physics - History of space exploration
Introduction to Space Physics - Space-related careers

By the end of the lesson, the learner should be able to:
- Outline the evolution of astrophysics and space exploration
- Describe major milestones in space exploration
- Appreciate technological progress in space science

In groups, learners are guided to:
- Research evolution of space exploration
- Discuss early observations and telescope revolution
- Study the space age and modern missions

How do we benefit from astrophysics?

- Triumph Physics Grade 10 pg. 283
- Digital devices
- Reference books
- Pictures of space missions
- Internet access
- Triumph Physics Grade 10 pg. 285
- Small pieces of paper
- Writing materials
- Career cards

- Presentations - Written assignments - Oral questions

Environmental and Space Physics

Introduction to Space Physics - Benefits of space exploration

By the end of the lesson, the learner should be able to:
- Describe how space exploration benefits Earth
- Explain applications of satellites in communication and weather
- Appreciate technology transfer from space programs

In groups, learners are guided to:
- Discuss GPS, weather forecasting and communication satellites
- Research medical and technological spin-offs
- Examine Kenya's involvement in space programs

How do we benefit from astrophysics?

- Triumph Physics Grade 10 pg. 280
- Digital devices
- Reference books
- Pictures of applications
- Internet access

- Oral questions - Written assignments - Presentations

Environmental and Space Physics

Environmental and Space Physics - Comprehensive review

By the end of the lesson, the learner should be able to:
- Answer questions on greenhouse effect and climate change
- Solve problems on space physics concepts
- Demonstrate understanding of environmental and space topics

In groups, learners are guided to:
- Answer revision questions
- Discuss challenging concepts
- Complete assessment exercises

How do human actions impact climate change? How do we benefit from astrophysics?

- Triumph Physics Grade 10 pg. 272, 287
- Exercise books
- Past papers
- Reference books

- Written tests - Oral questions - Self-assessment