Waves and Optics

Radioactivity - Meaning of radioactivity and related terms

By the end of the lesson, the learner should be able to:
- Explain the meaning of radioactivity and related terms
- Define nuclear stability, half-life, nuclide, and radioisotope
- Relate radioactivity to smoke detectors and medical treatments

In groups, learners are guided to:
- Use digital resources to search for meanings of radioactivity terms
- Discuss the meaning of radioactive decay, background radiation, and nucleotide
- Share findings with classmates for peer review

What is radioactivity and why do some atoms decay?

- Spotlight Physics Grade 10 pg. 178
- Digital resources
- Physics reference books

- Oral questions - Written assignments - Group discussions

Waves and Optics

Radioactivity - Stability of isotopes and atomic structure
Radioactivity - Types of radiations (alpha, beta, gamma)
Radioactivity - Properties of alpha and beta particles

By the end of the lesson, the learner should be able to:
- Explain atomic structure in relation to radioactivity
- Describe how neutron-proton ratio affects nuclear stability
- Connect isotope stability to carbon dating of archaeological artifacts
- Describe properties of alpha and beta particles
- Compare penetrating power, ionizing ability, and speed of alpha and beta particles
- Connect alpha radiation properties to smoke detector operation

In groups, learners are guided to:
- Discuss the composition of atoms: protons, neutrons, and electrons
- Explain why a 1:1 neutron-proton ratio leads to stability
- Illustrate unstable nuclides using diagrams
- Discuss penetrating power: alpha stopped by paper, beta by aluminium
- Compare ionizing power: alpha highest, beta moderate
- Explain deflection in electric and magnetic fields

How does the neutron-proton ratio affect nuclear stability?
Why are alpha particles more ionizing but less penetrating than beta particles?

- Spotlight Physics Grade 10 pg. 180
- Digital resources
- Charts showing atomic structure
- Spotlight Physics Grade 10 pg. 181
- Charts showing radiation types
- Spotlight Physics Grade 10 pg. 182
- Digital resources
- Charts comparing radiation properties

- Written tests - Oral questions - Diagram labelling
- Written tests - Oral questions - Comparison tables

Waves and Optics

Radioactivity - Properties of gamma rays and comparison of radiations

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

Why are gamma rays not deflected by electric or magnetic fields?

- Spotlight Physics Grade 10 pg. 183
- Digital resources
- Charts and diagrams

- Chart making - Written tests - Oral questions

Waves and Optics

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:
- Write nuclear equations for alpha decay
- Balance nuclear equations showing conservation of mass and charge
- Connect alpha decay to how smoke detectors use americium-241

In groups, learners are guided to:
- Discuss how alpha emission reduces nucleon number by 4 and proton number by 2
- Write nuclear equation for radium-226 decaying to radon-222
- Practice balancing nuclear equations

How do we write nuclear equations for alpha decay?

- Spotlight Physics Grade 10 pg. 186
- Digital resources
- Periodic table
- Spotlight Physics Grade 10 pg. 187

- Written tests - Problem-solving exercises - Oral questions

Waves and Optics

Radioactivity - Uranium-238 decay series

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

- Chart interpretation - Written tests - Oral questions

Waves and Optics

Radioactivity - Detection using electroscope and GM tube
Radioactivity - Cloud chambers and nuclear emulsion plates

By the end of the lesson, the learner should be able to:
- Describe detection of radioactive emissions using electroscope
- Explain the structure and operation of a Geiger-Müller tube
- Relate GM tube operation to radiation monitoring in nuclear power plants
- 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:
- Demonstrate how a charged electroscope loses charge near a radioactive source
- Discuss the components and operation of a GM tube
- Explain how ionization produces pulses counted by a scaler
- 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 does a Geiger-Müller tube detect radiation?
How do cloud chambers make radiation tracks visible?

- Spotlight Physics Grade 10 pg. 189
- Electroscope
- Diagrams of GM tube
- Spotlight Physics Grade 10 pg. 190
- Diagrams of cloud chambers
- Digital resources

- Practical demonstration - Oral questions - Written tests
- Diagram interpretation - Written tests - Oral questions

Waves and Optics

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:
- Explain the meaning of half-life
- Demonstrate half-life concept using water draining from a burette
- Relate half-life to how long radioactive waste remains dangerous

In groups, learners are guided to:
- Define half-life as time for half the radioactive atoms to decay
- Perform water drainage experiment to simulate radioactive decay
- Plot a graph of volume against time and determine half-life

How long does it take for half of a radioactive sample to decay?

- Spotlight Physics Grade 10 pg. 193
- Burette
- Retort stand
- Stop clock
- Spotlight Physics Grade 10 pg. 195
- Graph paper
- Scientific calculators

- Practical assessment - Graph plotting - Oral questions

Waves and Optics

Radioactivity - Significance and applications of half-life

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

- Research presentations - Written tests - Oral questions

Waves and Optics

Radioactivity - Nuclear fission and chain reactions

By the end of the lesson, the learner should be able to:
- Explain the meaning of nuclear fission
- Describe chain reactions in nuclear fission
- Relate nuclear fission to electricity generation in nuclear power plants

In groups, learners are guided to:
- Discuss how uranium-235 splits when bombarded with neutrons
- Explain how chain reactions release enormous energy
- Differentiate controlled reactions in reactors from uncontrolled reactions in bombs

How do nuclear power plants generate electricity from fission?

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

- Written tests - Diagram interpretation - Oral questions

Waves and Optics

Radioactivity - Nuclear fusion and applications
Radioactivity - Applications in medicine and industry
Radioactivity - Applications in agriculture and archaeology

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 applications of radioactivity in agriculture and archaeology
- Explain carbon dating principles
- Relate radioactive tracers to studying plant fertilizer absorption

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 carbon dating for determining age of fossils and artifacts
- Explain use of radioactive tracers in agriculture
- Calculate ages using carbon-14 decay principles

Why does nuclear fusion power the sun and stars?
How do scientists use carbon dating to determine the age of fossils?

- Spotlight Physics Grade 10 pg. 199
- Diagrams showing fusion
- Digital resources
- Spotlight Physics Grade 10 pg. 200
- Diagrams showing applications
- Spotlight Physics Grade 10 pg. 200
- Digital resources
- Charts on carbon dating

- Written tests - Comparison tables - Oral questions
- Written tests - Problem-solving - Oral questions

Waves and Optics
Electricity and Magnetism

Radioactivity - Hazards of radiation and safety precautions
Origin of charges in a material

By the end of the lesson, the learner should be able to:
- 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 effects of radiation exposure: burns, cancer, hereditary defects
- Explain precautions: avoiding direct contact, using forceps, lead storage
- Role-play safety scenarios in radiation handling

What safety measures protect workers from radiation exposure?

- 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

- Role-play assessment - Written tests - Oral questions

Electricity and Magnetism

The law of electrostatics
Methods of charging conductors - Induction and Contact

By the end of the lesson, the learner should be able to:
- State the law of electrostatics
- Demonstrate attraction and repulsion between charged bodies
- Connect charge interactions to how dust sticks to TV screens

In groups, learners are guided to:
- Carry out activities to investigate the law of electrostatics using charged balloons
- Discuss with peers the interaction between like and unlike charges
- Record observations on charge interactions

Why do some charged objects attract while others repel?

- Spotlight Physics Learner's Book pg. 207
- Balloons, woolen cloth
- Thread, retort stands
- Metre rule
- Spotlight Physics Learner's Book pg. 208
- Metallic spheres on insulated stands
- Charged polythene and glass rods
- Connecting wire for earthing

- Observation - Oral questions - Practical assessment

Electricity and Magnetism

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

By the end of the lesson, the learner should be able to:
- Describe charging by separation method
- Illustrate charge distribution on conductors of various shapes
- Connect charge concentration at sharp points to lightning rod design

In groups, learners are guided to:
- Carry out activities to charge two spheres by separation method
- Discuss how charge distributes on spherical, pear-shaped and irregular conductors
- Draw diagrams showing charge distribution on different shaped conductors

Why does charge concentrate at pointed ends of conductors?

- 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
- Charged polythene and glass rods
- Conical flask, aluminium foil, metal spoon

- Observation - Written assignments - Diagram assessment

Electricity and Magnetism

Uses of electroscope
Applications - Spray painting, precipitators and photocopiers
Applications - Lightning arrestors and safety measures
Applications - Touch screens, fingerprinting and capacitors

By the end of the lesson, the learner should be able to:
- Describe uses of an electroscope
- Demonstrate testing for presence, type and quantity of charge
- Apply electroscope principles to quality control testing in manufacturing
- Explain the design and function of lightning arrestors
- Describe safety measures in transportation of flammable substances
- Relate lightning arrestors to protection of buildings during thunderstorms

In groups, learners are guided to:
- Perform experiments to test for presence of charge on a body
- Determine the type of charge using a charged electroscope
- Measure relative quantity of charge
- Test conducting and insulating properties of materials
- Discuss the design and function of lightning arrestors
- Explain why metallic chains are attached to fuel tankers
- Research safety in transportation of flammable liquids and gases
- Discuss why people should not stand under trees during storms

How can an electroscope determine the type of charge on a body?
Why are lightning arrestors installed on tall buildings?

- Spotlight Physics Learner's Book pg. 219
- Gold-leaf electroscope
- Various charged materials
- Conductors and insulators for testing
- 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
- Digital resources
- Charts on touch screen technology

- Practical assessment - Oral questions - Written tests
- Oral questions - Written assignments - Group discussions

Electricity and Magnetism

Current and potential difference
Electromotive force and internal resistance
Ohm's law - Verification and calculations

By the end of the lesson, the learner should be able to:
- Define electric current and potential difference with their SI units
- Measure current using ammeter and potential difference using voltmeter
- Relate current flow to water flow in pipes for practical understanding

In groups, learners are guided to:
- Set up simple circuits with cells, bulb, ammeter and voltmeter
- Discuss current as rate of flow of charge (I = Q/t)
- Discuss potential difference as work done per unit charge (V = W/Q)
- Measure and record current and voltage in circuits

What is the relationship between charge, current and potential difference?

- Spotlight Physics Learner's Book pg. 228
- Dry cells, cell holders
- Ammeter, voltmeter, bulb
- Connecting wires, switch
- 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

- Practical assessment - Oral questions - Written calculations

Electricity and Magnetism

EMF equation and internal resistance determination
Ohmic and non-ohmic conductors

By the end of the lesson, the learner should be able to:
- Derive and apply the relationship E = I(R+r)
- Determine internal resistance graphically using V-I graph
- Apply EMF calculations to assess battery quality and performance

In groups, learners are guided to:
- Derive E = IR + Ir mathematically
- Vary current in a circuit and record terminal voltages
- Plot graph of V against I to determine r from gradient and E from y-intercept
- Solve problems involving EMF and internal resistance

How can we determine internal resistance of a cell graphically?

- Spotlight Physics Learner's Book pg. 236
- Dry cells, ammeter
- Voltmeter, rheostat
- Graph paper
- Spotlight Physics Learner's Book pg. 242
- Torch bulb, thermistor
- Semiconductor diode
- Ammeter, voltmeter, rheostat

- Graph plotting - Written calculations - Oral questions

Electricity and Magnetism

Factors affecting resistance - Length and cross-sectional area
Factors affecting resistance - Temperature and resistivity
Methods of determining resistance

By the end of the lesson, the learner should be able to:
- Investigate the effect of length and cross-sectional area on resistance
- Establish relationships R ∝ L and R ∝ 1/A
- Relate wire dimensions to why thick, short cables are used for car batteries

In groups, learners are guided to:
- Set up circuit with nichrome wire on metre rule
- Measure resistance at different lengths and plot R against L
- Measure resistance of wires with different diameters
- Plot R against A and establish inverse relationship

How do length and thickness of a wire affect its resistance?

- Spotlight Physics Learner's Book pg. 245
- Nichrome wire, metre rule
- Wires of different thickness
- Micrometer screw gauge, ammeter, voltmeter
- 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

- Practical assessment - Graph plotting - Written conclusions

Electricity and Magnetism

Types of resistors and current-voltage laws
Effective resistance in series and parallel
Solving complex resistor network problems

By the end of the lesson, the learner should be able to:
- Identify and classify types of resistors (fixed, variable, linear, non-linear)
- Verify laws of current and voltage in series and parallel circuits
- Connect resistor types to volume controls and temperature sensors
- Derive and apply formulas for effective resistance in series and parallel
- Calculate effective resistance in mixed circuits
- Apply resistance calculations to design circuits for specific purposes

In groups, learners are guided to:
- Study different types of resistors and their applications
- Connect bulbs in series and verify I₁ = I₂ = I₃ and V = V₁ + V₂ + V₃
- Connect bulbs in parallel and verify I = I₁ + I₂ + I₃ and V₁ = V₂ = V₃
- Discuss applications of rheostats and potentiometers
- Derive R_T = R₁ + R₂ + R₃ for series circuits
- Derive 1/R_T = 1/R₁ + 1/R₂ + 1/R₃ for parallel circuits
- Solve problems involving series, parallel and combination circuits
- Calculate current and voltage in each resistor

Why is current the same in series but voltage the same in parallel?
How do we calculate total resistance in series and parallel circuits?

- 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
- Worksheets with problems

- Practical assessment - Oral questions - Written assignments
- Written calculations - Problem-solving tests - Oral questions

Electricity and Magnetism

Relationship of V, I and P - Power equations

By the end of the lesson, the learner should be able to:
- Derive and apply power equations P = VI, P = I²R and P = V²/R
- Calculate power consumption of electrical devices
- Relate power ratings to energy efficiency of household appliances

In groups, learners are guided to:
- Discuss electrical power as rate of energy conversion
- Derive power equations from P = W/t and Ohm's law
- Calculate power in circuits using different formulas
- Compare power ratings of various appliances

What is the relationship between voltage, current and power?

- Spotlight Physics Learner's Book pg. 270
- Scientific calculators
- Power rating labels from appliances
- Worksheets

- Written calculations - Oral questions - Problem-solving tests

Electricity and Magnetism

Factors affecting heating effect of electric current

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

- Practical assessment - Graph plotting - Written conclusions

Electricity and Magnetism

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:
- Describe applications of heating effect in electrical appliances
- Explain the working of electric heaters, kettles, iron boxes and fuses
- Relate heating applications to safe and efficient use of electrical devices at home

In groups, learners are guided to:
- Research on electrical appliances that use heating effect
- Classify appliances as heating devices, kitchenware or lighting devices
- Discuss the working of electric iron, kettle, heater and filament lamp
- Explain the function and selection of appropriate fuses

How is the heating effect of electric current applied in household appliances?

- 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

- Oral questions - Written assignments - Research presentations

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
N-type and p-type semiconductors

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
- Investigate the effect of temperature on resistance of conductors and semiconductors
- Plot and interpret R-T graphs for different materials
- Relate temperature effects to thermistor use in temperature sensors and fire alarms

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
- Set up circuit with tungsten coil in water bath
- Heat water and record resistance at different temperatures
- Plot R-T graph showing resistance increase for metals
- Replace with thermistor and observe resistance decrease with temperature
- Discuss concept of superconductivity at very low temperatures

What determines whether a material is a conductor, semiconductor or insulator?
Why does resistance increase with temperature for metals but decrease for semiconductors?

- 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
- Digital resources
- Models of crystal structures
- Spotlight Physics Learner's Book pg. 289
- Diagrams of crystal lattice
- Charts showing n-type and p-type formation
- Digital resources

- Oral questions - Classification exercises - Written assignments
- Practical assessment - Graph plotting - Comparative analysis

Electricity and Magnetism

Applications of conductors and insulators
Applications of semiconductors and superconductors

By the end of the lesson, the learner should be able to:
- Describe applications of conductors in electrical wiring, lightning protection and electronics
- Describe applications of insulators in electrical safety and thermal protection
- Relate conductor and insulator applications to safe electrical installations in homes

In groups, learners are guided to:
- Research on applications of conductors (copper wiring, lightning arrestors, electronic circuits)
- Discuss applications of insulators (wire coating, socket casings, thermal insulation)
- Explain why electrical cables have copper core with plastic/rubber coating
- Identify conductors and insulators in household items

Why are both conductors and insulators essential in electrical systems?

- Spotlight Physics Learner's Book pg. 292
- Samples of electrical cables
- Pictures of electrical installations
- Digital resources
- Spotlight Physics Learner's Book pg. 293
- Electronic components
- Pictures of semiconductor devices

- Oral questions - Written assignments - Observation

Electricity and Magnetism
Environmental and Space Physics
Environmental and Space Physics

Application of conductors and insulators in car wiring system
Greenhouse Effect and Climate Change - Greenhouse effect and climate change in the environment
Greenhouse Effect and Climate Change - Physical drivers of climate change

By the end of the lesson, the learner should be able to:
- Identify conductors and insulators in car wiring systems
- Explain the function of conductors and insulators in vehicle electrical systems
- Relate car wiring principles to safe vehicle operation and maintenance

In groups, learners are guided to:
- Study diagrams of car wiring systems
- Identify copper/aluminium wires as conductors and rubber/plastic as insulators
- Discuss role of conductors in lighting, ignition, fuel injection and braking systems
- Explain how insulators prevent short circuits, fires and ensure occupant safety
- Visit nearby garage to observe car wiring (if possible)

Why are both conductors and insulators essential in car wiring systems?

- 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
- Spotlight Physics Learner's Book Grade 10 pg. 298
- Charts showing greenhouse effect
- Digital resources

- Oral questions - Written assignments - Field visit reports

Environmental and Space Physics

Greenhouse Effect and Climate Change - Factors leading to greenhouse effect
Greenhouse Effect and Climate Change - Agricultural and livestock contributions

By the end of the lesson, the learner should be able to:
- Identify human activities that contribute to greenhouse effect
- Explain how burning fossil fuels and deforestation increase greenhouse gases
- Connect industrial emissions to air quality changes observed in urban areas

In groups, learners are guided to:
- Discuss how activities like burning fossil fuels, deforestation and industrial processes contribute to greenhouse effect
- Analyse pictures showing human activities that lead to greenhouse effect
- Visit nearby areas to observe sources of greenhouse gas emissions

What human activities increase greenhouse gas emissions in the atmosphere?

- Spotlight Physics Learner's Book Grade 10 pg. 299
- Pictures of industrial activities
- Digital resources
- Spotlight Physics Learner's Book Grade 10 pg. 300
- Charts showing greenhouse gas sources
- Digital devices

- Observation - Oral questions - Written assignments

Environmental and Space Physics

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

By the end of the lesson, the learner should be able to:
- Explain the structure and location of the ozone layer
- Describe the role of ozone layer in protecting Earth from UV radiation
- Connect ozone layer protection to reduced cases of sunburns and skin conditions
- Describe the impacts of climate change on weather patterns, water bodies and vegetation
- Analyse changes in local environment due to climate change
- Connect observed changes in local rivers and lakes to climate change effects

In groups, learners are guided to:
- Use digital resources to search for information on ozone layer
- Study diagrams showing the ozone layer and its role
- Discuss the importance of ozone layer in protecting life on Earth
- Discuss the effects of climate change on global temperatures, weather patterns, water levels and vegetation
- Demonstrate effects of climate change in the immediate environment
- Initiate a school project to help reduce greenhouse gas emissions

What would happen to life on Earth without the ozone layer?
How has climate change affected your local environment?

- Spotlight Physics Learner's Book Grade 10 pg. 301
- Diagrams of ozone layer
- Digital resources
- Charts on ozone depletion
- Digital devices
- Spotlight Physics Learner's Book Grade 10 pg. 302
- Pictures of renewable energy sources
- 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
- Digital resources
- Spotlight Physics Learner's Book Grade 10 pg. 309
- Photos of celestial bodies

- Oral questions - Written assignments - Group presentations
- Observation - Oral questions - Project presentations

Environmental and Space Physics

Introduction to Space Physics - Asteroids, comets, meteors and galaxies
Introduction to Space Physics - Space exploration methods and telescopy

By the end of the lesson, the learner should be able to:
- Describe asteroids, comets, meteors and galaxies
- Differentiate between various celestial bodies
- Connect shooting stars observed at night to meteors entering Earth's atmosphere

In groups, learners are guided to:
- Discuss the characteristics of asteroids, comets, meteors and galaxies
- Use digital resources to search for information on various celestial bodies
- Share findings with classmates for comparison

Why do shooting stars appear as streaks of light in the sky?

- Spotlight Physics Learner's Book Grade 10 pg. 311
- Pictures of comets and galaxies
- Digital resources
- Spotlight Physics Learner's Book Grade 10 pg. 312
- Lenses, manila paper, glue
- Pictures of telescopes
- Digital devices

- Oral questions - Group discussions - Written assignments

Environmental and Space Physics

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 Kepler's laws of planetary motion
- Describe how planets orbit the sun in elliptical paths
- Connect seasonal changes on Earth to its orbital motion around the sun

In groups, learners are guided to:
- Study models of planetary motion with respect to the sun
- Discuss how planets move around their orbits
- Use digital resources to search for information on Kepler's laws

Why do planets follow elliptical orbits around the sun?

- Spotlight Physics Learner's Book Grade 10 pg. 316
- Models of solar system
- Charts on Kepler's laws
- Digital resources
- Spotlight Physics Learner's Book Grade 10 pg. 318
- Career charts
- Digital devices

- Oral questions - Group presentations - Written tests