Mechanics and Thermal Physics

Energy, Work, Power and Machines - Definition of work
Energy, Work, Power and Machines - Calculating work done

By the end of the lesson, the learner should be able to:

- Define work as product of force and displacement
- State the SI unit of work as joule
- Differentiate between work done and no work done like pushing a wall versus pushing a wheelbarrow

In groups, learners are guided to:
- Discuss scenarios where work is done and not done
- Calculate work done in lifting and pushing objects
- Relate work to force and displacement

When do we say work is done in Physics?

- Spotlight Physics Learner's Book pg. 105
- Spring balance
- Metre rule
- Various objects
- Spotlight Physics Learner's Book pg. 107
- Known masses
- Stopwatch

- Oral questions - Written tests - Observation

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Energy and its forms
Energy, Work, Power and Machines - Definition and calculation of power
Energy, Work, Power and Machines - Kinetic energy
Energy, Work, Power and Machines - Gravitational potential energy
Energy, Work, Power and Machines - Elastic potential energy

By the end of the lesson, the learner should be able to:

- Define energy as ability to do work
- Identify different forms of energy
- Connect energy forms to household appliances like heaters, bulbs and motors

In groups, learners are guided to:
- Move objects and discuss energy expended
- Identify forms of energy in various situations
- Discuss energy sources and their uses

What enables us to do work?

- Spotlight Physics Learner's Book pg. 108
- Various objects
- Pictures of energy sources
- Digital resources
- Stopwatch
- Spring balance
- Known masses
- Calculators
- Spotlight Physics Learner's Book pg. 112
- Toy car
- Ramp
- Measuring tape
- Beam balance
- Spotlight Physics Learner's Book pg. 114
- Small weights
- Metre rule
- Beam balance
- Stand
- Spotlight Physics Learner's Book pg. 116
- Rubber bands
- Springs
- Small objects
- Paper balls

- Oral questions - Written assignments - Group discussions

Mechanics and Thermal Physics

Energy, Work, Power and Machines - Conservation of mechanical energy
Energy, Work, Power and Machines - Energy transformations
Energy, Work, Power and Machines - Types of simple machines

By the end of the lesson, the learner should be able to:

- State the law of conservation of energy
- Demonstrate energy transformation using a pendulum
- Connect energy conservation to swings in playgrounds and roller coasters

In groups, learners are guided to:
- Set up simple pendulum and observe energy changes
- Identify P.E and K.E at different positions
- Verify total mechanical energy is constant

What happens to energy as a pendulum swings?

- Spotlight Physics Learner's Book pg. 118
- Pendulum bob
- String
- Stand
- Metre rule
- Spotlight Physics Learner's Book pg. 121
- Digital resources
- Pictures of machines
- Reference books
- Spotlight Physics Learner's Book pg. 124
- Pictures of simple machines
- Examples of levers
- Inclined plane model

- Practical assessment - Oral questions - Written tests

Mechanics and Thermal Physics

Energy, Work, Power and Machines - MA, VR and efficiency
Energy, Work, Power and Machines - Levers
Energy, Work, Power and Machines - Pulleys
Energy, Work, Power and Machines - Inclined plane and screw
Energy, Work, Power and Machines - Wheel and axle, gears

By the end of the lesson, the learner should be able to:

- Define mechanical advantage, velocity ratio and efficiency
- Calculate MA, VR and efficiency of machines
- Explain why efficiency is always less than 100% due to friction in real machines

- Calculate VR of inclined plane as length/height
- Calculate VR of screw using pitch and circumference
- Connect inclined planes to loading ramps and wheelchair access, and screws to car jacks

In groups, learners are guided to:
- Discuss meaning of MA, VR and efficiency
- Calculate MA and VR from experimental data
- Relate efficiency to energy losses
- Roll objects up inclined plane at different angles
- Calculate VR of inclined plane
- Discuss relationship between screw and inclined plane

Why is the efficiency of machines always less than 100%?
How does the angle of inclination affect the effort required?

- Spotlight Physics Learner's Book pg. 129
- Simple machines
- Spring balance
- Known masses
- Metre rule
- Spotlight Physics Learner's Book pg. 131
- Lever apparatus
- Pulleys
- String
- Stand
- Spotlight Physics Learner's Book pg. 134
- Inclined plane
- Screw jack
- Spring balance
- Metre rule
- Spotlight Physics Learner's Book pg. 137
- Wheel and axle model
- Gear wheels
- Bicycle

- Written tests - Problem-solving - Practical assessment
- Practical assessment - Written tests - Problem-solving

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

Energy, Work, Power and Machines - Hydraulic machines and applications
Properties of Waves - Rectilinear propagation of waves
Properties of Waves - Reflection of waves
Properties of Waves - Refraction of waves

By the end of the lesson, the learner should be able to:

- Explain working principle of hydraulic machines
- Calculate force multiplication in hydraulic systems
- Connect hydraulic machines to car brakes, car jacks and construction equipment

In groups, learners are guided to:
- Construct simple hydraulic system using syringes
- Calculate force and VR of hydraulic press
- Discuss applications in vehicles and construction
- Identify simple machines in treadmills, elevators and escalators

How do hydraulic machines multiply force?

- Spotlight Physics Learner's Book pg. 139
- Syringes of different sizes
- Tubing
- Water
- Pictures of hydraulic machines
- Spotlight Physics Grade 10 pg. 147
- Torch
- Digital resources
- Spotlight Physics Grade 10 pg. 148
- Digital resources
- Charts showing reflection
- Spotlight Physics Grade 10 pg. 150
- Glass of water
- Straight object

- Practical assessment - Written tests - Project presentations

Waves and Optics

Properties of Waves - Diffraction of waves
Properties of Waves - Interference of waves
Properties of Waves - Demonstrating rectilinear propagation using ripple tank
Properties of Waves - Demonstrating reflection using ripple tank
Properties of Waves - Demonstrating refraction using ripple tank

By the end of the lesson, the learner should be able to:

- Explain the meaning of diffraction of waves
- Demonstrate diffraction using a torch and cone-shaped speaker
- Connect diffraction to how we hear sound around corners and obstacles

In groups, learners are guided to:

- Flash a torch at night towards a wall and observe light spreading
- Use a cone-shaped manila paper as a speaker to demonstrate sound diffraction
- Discuss how sound waves bend around obstacles

How can we hear sound around corners?

- Spotlight Physics Grade 10 pg. 151
- Torch
- Manila paper
- Digital resources
- Spotlight Physics Grade 10 pg. 152
- Two identical speakers
- Audio frequency generator
- Spotlight Physics Grade 10 pg. 154
- Ripple tank and accessories
- Dry cell and cell holder
- White manila paper
- Spotlight Physics Grade 10 pg. 156
- Ripple tank
- Straight metal reflector
- Concave and convex reflectors
- Spotlight Physics Grade 10 pg. 158
- Transparent glass plate

- Oral questions - Observation - Practical demonstration

Waves and Optics

Properties of Waves - Demonstrating diffraction using ripple tank
Properties of Waves - Demonstrating interference using ripple tank
Properties of Waves - Production of frequency modulated (FM) waves

By the end of the lesson, the learner should be able to:

- Demonstrate diffraction of waves using a ripple tank
- Investigate how aperture size affects diffraction
- Connect diffraction to how radio waves reach behind buildings

In groups, learners are guided to:

- Place two metal barriers with an aperture in front of plane waves
- Vary the aperture size from 8 cm to 0.5 cm and observe emerging waves
- Place an obstacle in front of waves and observe diffraction around it

What factors determine the extent of wave diffraction?

- Spotlight Physics Grade 10 pg. 159
- Ripple tank
- Two straight metal barriers
- Opaque obstacle
- Spotlight Physics Grade 10 pg. 160
- Two spherical balls
- White manila paper
- Spotlight Physics Grade 10 pg. 161
- Digital resources
- Physics reference books

- Practical assessment - Observation - Written assignments

Waves and Optics

Properties of Waves - Detection of frequency modulated (FM) waves
Properties of Waves - Formation of stationary waves
Properties of Waves - Factors affecting fundamental frequency of vibrating string
Properties of Waves - Modes of vibration in strings
Properties of Waves - Stationary waves in closed pipes

By the end of the lesson, the learner should be able to:

- Explain how FM waves are detected and demodulated
- Describe applications of FM in various fields
- Relate FM detection to how radios and television sets receive signals

- Investigate factors affecting fundamental frequency of a vibrating string
- Determine the relationship between frequency, tension, and length
- Relate findings to tuning musical instruments like guitars and violins

In groups, learners are guided to:

- Discuss demodulation methods for FM signals
- Research applications of FM in radar systems, medical imaging, and telemetry
- Present findings on FM applications to classmates

- Set up a sonometer apparatus and vary tension while keeping length constant
- Vary the length between bridges while keeping tension constant
- Discuss the mathematical relationship f = (1/2L)√(T/μ)

How do radios detect and convert FM signals to sound?
How do tension and length affect the frequency of a vibrating string?

- Spotlight Physics Grade 10 pg. 162
- Digital resources
- Radio receiver (demonstration)
- Spotlight Physics Grade 10 pg. 163
- Tuning fork
- String
- Mass (weight)
- Fixed pulley system
- Spotlight Physics Grade 10 pg. 164
- Sonometer apparatus
- Weights
- Two wooden wedges
- Spotlight Physics Grade 10 pg. 166
- Digital resources
- Charts showing modes of vibration
- Spotlight Physics Grade 10 pg. 167
- Glass tube
- Glass jar with water
- Tuning fork

- Oral questions - Written tests - Research presentations
- Practical assessment - Written tests - Oral questions

Waves and Optics

Properties of Waves - Harmonics in closed pipes
Properties of Waves - Stationary waves in open pipes

By the end of the lesson, the learner should be able to:

- Explain harmonics in closed pipes
- Calculate frequencies of overtones in closed pipes
- Connect closed pipe harmonics to the limited overtones in some wind instruments

In groups, learners are guided to:

- Discuss the first harmonic (fundamental frequency) in closed pipes
- Calculate second and third harmonics using f = (2n-1)f₀
- Compare harmonic patterns in closed pipes with open pipes

Why do closed pipes only produce odd harmonics?

- Spotlight Physics Grade 10 pg. 168
- Digital resources
- Charts showing harmonics
- Spotlight Physics Grade 10 pg. 169
- Charts showing open pipe harmonics

- Written tests - Problem-solving exercises - Oral questions

Waves and Optics

Properties of Waves - Meaning of Doppler effect
Properties of Waves - Demonstrating Doppler effect

By the end of the lesson, the learner should be able to:

- Explain the meaning of Doppler effect
- Describe how sound frequency changes with relative motion
- Connect Doppler effect to the changing pitch of an ambulance siren

In groups, learners are guided to:

- Discuss the scenario of a blind man detecting vehicle movement by sound
- Explain why the pitch of a siren increases when approaching and decreases when receding
- Research the discovery of Doppler effect by Christian Doppler

Why does the pitch of a siren change as an ambulance passes by?

- Spotlight Physics Grade 10 pg. 173
- Digital resources
- Audio recordings of approaching vehicles
- Spotlight Physics Grade 10 pg. 174
- Audio frequency generator
- Rope or spiral spring

- Oral questions - Observation - Written assignments

Waves and Optics

Properties of Waves - Applications of Doppler effect
Radioactivity - Meaning of radioactivity and related terms
Radioactivity - Stability of isotopes and atomic structure

By the end of the lesson, the learner should be able to:

- Describe applications of Doppler effect in various fields
- Explain how Doppler effect is used in astronomy, medicine, and traffic control
- Connect Doppler applications to ultrasound scans and weather forecasting

In groups, learners are guided to:

- Research applications in astronomy for measuring galaxy movements
- Discuss medical imaging applications like Doppler sonography
- Explore traffic radar and speed camera applications

How is Doppler effect used in medicine and traffic control?

- Spotlight Physics Grade 10 pg. 175
- Digital resources
- Charts showing Doppler applications
- Spotlight Physics Grade 10 pg. 178
- Physics reference books
- Spotlight Physics Grade 10 pg. 180
- Charts showing atomic structure

- Research presentations - Written tests - Oral questions

Waves and Optics

Radioactivity - Types of radiations (alpha, beta, gamma)
Radioactivity - Properties of alpha and beta particles
Radioactivity - Properties of gamma rays and comparison of radiations
Radioactivity - Alpha decay and nuclear equations
Radioactivity - Beta decay and gamma decay equations

By the end of the lesson, the learner should be able to:

- Identify the three types of radioactive radiations
- Describe the nature and charge of alpha, beta, and gamma radiations
- Relate radiation types to their uses in cancer treatment and sterilization

- Describe properties of gamma rays
- Compare all three types of radiations using charts and diagrams
- Relate gamma ray properties to their use in X-ray imaging and cancer treatment

In groups, learners are guided to:

- Discuss the composition of alpha particles (helium nucleus)
- Explain beta particles as high-energy electrons
- Describe gamma rays as electromagnetic radiation

- Discuss gamma ray properties: no charge, no mass, highest penetration
- Make charts comparing penetrating power, ionizing effect, and field deflection
- Use diagrams to illustrate effect of magnetic and electric fields on radiations

What are the different types of radioactive emissions?
Why are gamma rays not deflected by electric or magnetic fields?

- Spotlight Physics Grade 10 pg. 181
- Digital resources
- Charts showing radiation types
- Spotlight Physics Grade 10 pg. 182
- Charts comparing radiation properties
- Spotlight Physics Grade 10 pg. 183
- Digital resources
- Charts and diagrams
- Spotlight Physics Grade 10 pg. 186
- Periodic table
- Spotlight Physics Grade 10 pg. 187

- Oral questions - Written tests - Chart interpretation
- Chart making - Written tests - Oral questions

Waves and Optics

Radioactivity - Uranium-238 decay series
Radioactivity - Detection using electroscope and GM tube

By the end of the lesson, the learner should be able to:

- Trace the uranium-238 natural decay series
- Write nuclear equations for chain decay reactions
- Connect decay series to geological dating of rocks

In groups, learners are guided to:

- Study the uranium-238 decay chain from U-238 to stable Pb-206
- Identify types of radiations emitted at each stage
- Write nuclear equations for each step in the decay series

How does uranium-238 eventually become stable lead-206?

- Spotlight Physics Grade 10 pg. 188
- Charts showing decay series
- Digital resources
- Spotlight Physics Grade 10 pg. 189
- Electroscope
- Diagrams of GM tube

- Chart interpretation - Written tests - Oral questions

Waves and Optics

Radioactivity - Cloud chambers and nuclear emulsion plates
Radioactivity - Meaning and demonstration of half-life
Radioactivity - Calculating half-life using graphs and formula

By the end of the lesson, the learner should be able to:

- Describe detection using expansion and diffusion cloud chambers
- Explain the use of nuclear emulsion plates
- Relate cloud chamber tracks to identifying different radiation types

In groups, learners are guided to:

- Discuss the operation of expansion and diffusion cloud chambers
- Observe track patterns for alpha, beta, and gamma radiations
- Explain how nuclear emulsion plates record particle tracks

How do cloud chambers make radiation tracks visible?

- Spotlight Physics Grade 10 pg. 190
- Diagrams of cloud chambers
- Digital resources
- Spotlight Physics Grade 10 pg. 193
- Burette
- Retort stand
- Stop clock
- Spotlight Physics Grade 10 pg. 195
- Graph paper
- Scientific calculators

- Diagram interpretation - Written tests - Oral questions

Waves and Optics

Radioactivity - Significance and applications of half-life
Radioactivity - Nuclear fission and chain reactions

By the end of the lesson, the learner should be able to:

- Explain the significance of half-life in various fields
- Describe applications in medicine, environment, and nuclear power
- Relate half-life to planning cancer treatment doses and nuclear waste storage

In groups, learners are guided to:

- Discuss significance in nuclear medicine and carbon dating
- Explain importance in nuclear waste management
- Research applications in pharmacokinetics and safety regulations

Why is understanding half-life important in medicine and nuclear power?

- Spotlight Physics Grade 10 pg. 197
- Digital resources
- Physics reference books
- Spotlight Physics Grade 10 pg. 198
- Diagrams of chain reactions
- Digital resources

- Research presentations - Written tests - Oral questions

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

Radioactivity - Nuclear fusion and applications
Radioactivity - Applications in medicine and industry
Radioactivity - Applications in agriculture and archaeology
Radioactivity - Hazards of radiation and safety precautions
Origin of charges in a material
The law of electrostatics

By the end of the lesson, the learner should be able to:

- Explain the meaning of nuclear fusion
- Compare nuclear fusion with fission
- Relate fusion to how the sun and stars produce energy

- Describe hazards caused by radioactive materials
- Explain safety precautions when handling radioactive substances
- Relate safety measures to protection of workers in hospitals and nuclear facilities

In groups, learners are guided to:

- Discuss how light nuclei combine to form heavier nuclei
- Explain why fusion requires extremely high temperatures
- Compare energy released in fusion versus fission reactions

- Discuss effects of radiation exposure: burns, cancer, hereditary defects
- Explain precautions: avoiding direct contact, using forceps, lead storage
- Role-play safety scenarios in radiation handling

Why does nuclear fusion power the sun and stars?
What safety measures protect workers from radiation exposure?

- Spotlight Physics Grade 10 pg. 199
- Diagrams showing fusion
- Digital resources
- Spotlight Physics Grade 10 pg. 200
- Diagrams showing applications
- Digital resources
- Charts on carbon dating
- Spotlight Physics Grade 10 pg. 201
- Safety signs
- Digital resources
- Spotlight Physics Learner's Book pg. 205
- Plastic pen, woolen cloth
- Small pieces of paper
- Spotlight Physics Learner's Book pg. 207
- Balloons, woolen cloth
- Thread, retort stands
- Metre rule

- Written tests - Comparison tables - Oral questions
- Role-play assessment - Written tests - Oral questions

Electricity and Magnetism

Methods of charging conductors - Induction and Contact
Methods of charging conductors - Separation and charge distribution
Electric field patterns
The electroscope - Structure, charging and discharging
Uses of electroscope

By the end of the lesson, the learner should be able to:

- Explain charging by induction and contact methods
- Demonstrate charging conductors using induction and contact
- Relate induction charging to wireless phone charging technology

In groups, learners are guided to:
- Discuss with peers the induction and contact methods of charging
- Perform experiments to charge metallic spheres by induction and contact
- Sketch charge distribution during each stage
- Compare the two methods of charging

How can a conductor be charged without losing charge from the charging rod?

- Spotlight Physics Learner's Book pg. 208
- Metallic spheres on insulated stands
- Charged polythene and glass rods
- Connecting wire for earthing
- Spotlight Physics Learner's Book pg. 211
- Two metallic spheres on insulated stands
- Charged rods
- Charts showing charge distribution
- Spotlight Physics Learner's Book pg. 214
- Charts showing electric field patterns
- Digital resources
- Drawing materials
- Spotlight Physics Learner's Book pg. 216
- Gold-leaf electroscope
- Conical flask, aluminium foil, metal spoon
- Spotlight Physics Learner's Book pg. 219
- Various charged materials
- Conductors and insulators for testing

- Practical assessment - Oral questions - Diagram sketching

Electricity and Magnetism

Applications - Spray painting, precipitators and photocopiers
Applications - Lightning arrestors and safety measures
Applications - Touch screens, fingerprinting and capacitors
Current and potential difference

By the end of the lesson, the learner should be able to:

- Explain electrostatic applications in spray painting, precipitators and photocopiers
- Describe how electrostatic precipitators reduce pollution
- Relate electrostatic spray painting to even coating on car bodies

In groups, learners are guided to:
- Use print or non-print media to research applications of electrostatics
- Discuss how electrostatic spray painting ensures even paint distribution
- Explain the working of electrostatic precipitators in factories
- Describe how photocopiers use electrostatics

How does electrostatic spray painting ensure even coating?

- Spotlight Physics Learner's Book pg. 221
- Charts and diagrams
- Digital resources
- Videos on spray painting
- Spotlight Physics Learner's Book pg. 223
- Pictures of lightning arrestors
- Charts on safety measures
- Digital resources
- Spotlight Physics Learner's Book pg. 225
- Smartphones and tablets
- Charts on touch screen technology
- Spotlight Physics Learner's Book pg. 228
- Dry cells, cell holders
- Ammeter, voltmeter, bulb
- Connecting wires, switch

- Oral questions - Written assignments - Research reports

Electricity and Magnetism

Electromotive force and internal resistance
Ohm's law - Verification and calculations
EMF equation and internal resistance determination
Ohmic and non-ohmic conductors
Factors affecting resistance - Length and cross-sectional area

By the end of the lesson, the learner should be able to:

- Define electromotive force and internal resistance
- Distinguish between EMF and terminal potential difference
- Relate internal resistance to why old batteries provide less power

In groups, learners are guided to:
- Connect voltmeters across a cell in open and closed circuits
- Compare voltmeter readings when switch is open and closed
- Discuss lost voltage and internal resistance
- Derive the relationship E = V + Ir

Why does a cell's voltage drop when connected in a circuit?

- Spotlight Physics Learner's Book pg. 231
- Dry cells, two voltmeters
- Known resistors, switch
- Connecting wires
- Spotlight Physics Learner's Book pg. 232
- Nichrome wire, ammeter
- Voltmeter, rheostat
- Dry cells, graph paper
- Spotlight Physics Learner's Book pg. 236
- Dry cells, ammeter
- Graph paper
- Spotlight Physics Learner's Book pg. 242
- Torch bulb, thermistor
- Semiconductor diode
- Ammeter, voltmeter, rheostat
- Spotlight Physics Learner's Book pg. 245
- Nichrome wire, metre rule
- Wires of different thickness
- Micrometer screw gauge, ammeter, voltmeter

- Practical assessment - Oral questions - Written calculations

Electricity and Magnetism

Factors affecting resistance - Temperature and resistivity
Methods of determining resistance
Types of resistors and current-voltage laws
Effective resistance in series and parallel
Solving complex resistor network problems
Relationship of V, I and P - Power equations

By the end of the lesson, the learner should be able to:

- Investigate the effect of temperature on resistance of conductors
- Define resistivity and apply ρ = RA/L
- Relate temperature effects to why light bulbs glow brighter when hot

- Analyse circuits with multiple series-parallel combinations
- Calculate current through and voltage across each resistor
- Apply circuit analysis to troubleshoot electrical faults in appliances

In groups, learners are guided to:
- Heat a coil of wire and measure resistance at different temperatures
- Plot R-T graphs for conductors and semiconductors
- Derive resistivity formula from R = ρL/A
- Calculate and compare resistivity of different materials
- Identify series and parallel sections in complex circuits
- Calculate effective resistance step by step
- Determine current distribution in branches
- Calculate potential difference across each component

How does temperature affect the resistance of a conductor?
How do we analyse circuits with both series and parallel resistors?

- Spotlight Physics Learner's Book pg. 248
- Tungsten coil, beaker
- Thermometer, heat source
- Ammeter, voltmeter
- Spotlight Physics Learner's Book pg. 251
- Metre bridge, Wheatstone bridge components
- Galvanometer, jockey
- Resistors with colour codes
- Spotlight Physics Learner's Book pg. 255
- Various types of resistors
- Identical bulbs, ammeters
- Voltmeters, dry cells
- Spotlight Physics Learner's Book pg. 263
- Resistors of known values
- Scientific calculators
- Circuit diagrams, worksheets
- Spotlight Physics Learner's Book pg. 267
- Complex circuit diagrams
- Scientific calculators
- Worksheets with problems
- Spotlight Physics Learner's Book pg. 270
- Power rating labels from appliances
- Worksheets

- Practical assessment - Graph plotting - Written calculations
- Written calculations - Circuit analysis - Oral questions

Electricity and Magnetism

Factors affecting heating effect of electric current
Applications of heating effect of electric current
Power rating and electrical energy calculations

By the end of the lesson, the learner should be able to:

- State Joule's law of electrical heating
- Investigate factors affecting heating effect (time, current, resistance)
- Relate heating factors to why electric kettles boil water faster than immersion heaters

In groups, learners are guided to:
- Investigate effect of time, current and resistance on heating
- Plot graphs of temperature change against time, I² and R
- Derive H = I²Rt (Joule's law)
- Discuss the significance of each factor

What factors determine the amount of heat produced by electric current?

- Spotlight Physics Learner's Book pg. 273
- Heating coils, beaker
- Thermometer, stopwatch
- Ammeter, voltmeter, rheostat
- Spotlight Physics Learner's Book pg. 277
- Pictures of electrical appliances
- Fuses of different ratings
- Digital resources
- Spotlight Physics Learner's Book pg. 278
- Power rating labels
- Scientific calculators
- Electricity tariff information

- Practical assessment - Graph plotting - Written conclusions

Electricity and Magnetism

Conductors, semiconductors, insulators and superconductors
Distinguishing materials using energy band theory
Effect of temperature on conductors and semiconductors
Intrinsic semiconductors and doping

By the end of the lesson, the learner should be able to:

- Define conductors, semiconductors, insulators and superconductors
- Explain the atomic structure basis for material classification
- Relate material classification to choosing appropriate wires and insulation for electrical installations

In groups, learners are guided to:
- Discuss the atomic structure of silicon, copper and other materials
- Compare the number of valence electrons in different materials
- Research on characteristics of conductors, semiconductors, insulators and superconductors
- Classify materials based on their electrical properties

What determines whether a material is a conductor, semiconductor or insulator?

- Spotlight Physics Learner's Book pg. 282
- Models of atomic structures
- Charts showing material classification
- Digital resources
- Spotlight Physics Learner's Book pg. 284
- Charts showing energy bands
- Digital resources
- Drawing materials
- Spotlight Physics Learner's Book pg. 286
- Tungsten coil, thermistor
- Beaker, thermometer
- Heat source, ammeter, voltmeter
- Spotlight Physics Learner's Book pg. 288
- Charts showing doping process
- Models of crystal structures

- Oral questions - Classification exercises - Written assignments

Electricity and Magnetism
Environmental and Space Physics

N-type and p-type semiconductors
Applications of conductors and insulators
Applications of semiconductors and superconductors
Application of conductors and insulators in car wiring system
Greenhouse Effect and Climate Change - Greenhouse effect and climate change in the environment

By the end of the lesson, the learner should be able to:

- Explain the formation of n-type and p-type semiconductors
- Identify majority and minority charge carriers in each type
- Relate n-type and p-type semiconductors to diode and transistor construction

In groups, learners are guided to:
- Discuss doping silicon with pentavalent atoms (P, As, Sb) to form n-type
- Draw diagrams showing electrons as majority carriers in n-type
- Discuss doping with trivalent atoms (B, Al, Ga) to form p-type
- Draw diagrams showing holes as majority carriers in p-type

How are n-type and p-type semiconductors formed?

- Spotlight Physics Learner's Book pg. 289
- Diagrams of crystal lattice
- Charts showing n-type and p-type formation
- Digital resources
- Spotlight Physics Learner's Book pg. 292
- Samples of electrical cables
- Pictures of electrical installations
- Spotlight Physics Learner's Book pg. 293
- Electronic components
- Pictures of semiconductor devices
- Spotlight Physics Learner's Book pg. 294
- Car wiring diagrams
- Samples of automotive cables
- Digital resources
- Resource persons (mechanics)
- Spotlight Physics Learner's Book Grade 10 pg. 297
- Clear plastic bottles/jars
- Thermometers
- Plastic wrap
- Digital devices

- Diagram drawing - Oral questions - Written comparisons

Environmental and Space Physics

Greenhouse Effect and Climate Change - Physical drivers of climate change
Greenhouse Effect and Climate Change - Factors leading to greenhouse effect
Greenhouse Effect and Climate Change - Agricultural and livestock contributions
Greenhouse Effect and Climate Change - Role of ozone layer
Greenhouse Effect and Climate Change - Ozone depletion and climate change
Greenhouse Effect and Climate Change - Strategies for mitigating climate change
Greenhouse Effect and Climate Change - Effects of climate change on environment
Introduction to Space Physics - Big Bang Theory
Introduction to Space Physics - Stars, planets and satellites
Introduction to Space Physics - Asteroids, comets, meteors and galaxies
Introduction to Space Physics - Space exploration methods and telescopy
Introduction to Space Physics - Motion of planets around the sun
Introduction to Space Physics - Careers in space exploration

By the end of the lesson, the learner should be able to:

- Explain how greenhouse gases trap heat in the atmosphere
- Illustrate the process of heat absorption and re-emission by greenhouse gases
- Relate the greenhouse effect to temperature changes experienced in greenhouses and parked vehicles

- Identify strategies for reducing greenhouse gas emissions
- Explain how renewable energy and reforestation help mitigate climate change
- Connect tree planting initiatives in schools to carbon dioxide reduction

In groups, learners are guided to:

- Study diagrams showing physical drivers of climate change
- Discuss with peers how greenhouse gases absorb and re-emit infrared radiation
- Use print or non-print media to search for more information on climate change drivers

- Use digital resources to search for mitigating factors against climate change
- Discuss the role of renewable energy, reforestation and energy efficiency in reducing emissions
- Analyse pictures showing various mitigation strategies

Why is the Earth warmer than it would be without greenhouse gases?
What can individuals and communities do to reduce climate change effects?

- Spotlight Physics Learner's Book Grade 10 pg. 298
- Charts showing greenhouse effect
- Digital resources
- Spotlight Physics Learner's Book Grade 10 pg. 299
- Pictures of industrial activities
- Spotlight Physics Learner's Book Grade 10 pg. 300
- Charts showing greenhouse gas sources
- Digital devices
- Spotlight Physics Learner's Book Grade 10 pg. 301
- Diagrams of ozone layer
- Charts on ozone depletion
- Spotlight Physics Learner's Book Grade 10 pg. 302
- Pictures of renewable energy sources
- Digital resources
- Spotlight Physics Learner's Book Grade 10 pg. 305
- Pictures showing climate change effects
- Digital devices
- Spotlight Physics Learner's Book Grade 10 pg. 308
- Charts on Big Bang Theory
- Spotlight Physics Learner's Book Grade 10 pg. 309
- Photos of celestial bodies
- Spotlight Physics Learner's Book Grade 10 pg. 311
- Pictures of comets and galaxies
- Spotlight Physics Learner's Book Grade 10 pg. 312
- Lenses, manila paper, glue
- Pictures of telescopes
- Spotlight Physics Learner's Book Grade 10 pg. 316
- Models of solar system
- Charts on Kepler's laws
- Spotlight Physics Learner's Book Grade 10 pg. 318
- Career charts

- Oral questions - Group presentations - Written tests
- Group discussions - Oral questions - Project work