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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 |
Linear Motion
|
Introduction to Linear Motion and Basic Concepts
Speed and Velocity Calculations |
By the end of the
lesson, the learner
should be able to:
Define distance, displacement, speed, velocity and acceleration -Distinguish between scalar and vector quantities -State the SI units for distance, displacement, speed, velocity and acceleration -Explain the difference between distance and displacement using examples |
Q/A on types of motion students observe daily
-Demonstration of linear motion using trolley on runway -Discussion on difference between distance and displacement using school compound examples -Drawing diagrams to show distance vs displacement -Practical activity: Students walk different paths between two points to measure distance vs displacement |
Trolley
-Runway/metre rule -Chalk for marking -Charts showing motion types -School compound map -Measuring tape Speedometer (if available) -Stopwatches -Calculator -Worked examples charts -School field for practical work |
KLB Secondary Physics Form 3, Pages 1-4
|
|
| 2 | 2 |
Linear Motion
|
Acceleration and Equations of Motion
|
By the end of the
lesson, the learner
should be able to:
Define acceleration and deceleration -Calculate acceleration using change in velocity and time -Apply the three equations of linear motion -Solve problems involving uniformly accelerated motion |
Q/A review on speed and velocity
-Demonstration of accelerated motion using trolley on inclined plane -Derivation of three equations of motion: v=u+at, s=ut+½at², v²=u²+2as -Worked examples using each equation -Problem-solving practice with real scenarios -Safety discussion for practical work |
Trolley
-Inclined plane -Stopwatch -Metre rules -Chart showing equation derivations -Calculator -Worked examples |
KLB Secondary Physics Form 3, Pages 4-5, 19-22
|
|
| 2 | 3 |
Linear Motion
|
Motion-Time Graphs (Distance-Time and Speed-Time)
Velocity-Time Graphs and Acceleration |
By the end of the
lesson, the learner
should be able to:
Plot distance-time graphs for different types of motion -Interpret distance-time and speed-time graphs -Calculate speed from distance-time graphs -Determine distance travelled from speed-time graphs using area under curve |
Review equations of motion through Q/A
-Demonstration using trolley with different speeds -Plotting distance-time graphs for: stationary body, uniform speed, variable speed -Plotting speed-time graphs for different motions -Students practice graph plotting and interpretation -Calculating areas under graphs |
Graph paper
-Rulers -Trolley -Stopwatch -Metre rules -Charts showing different graph types -Data tables for plotting -Inclined plane -Charts showing v-t graphs -Calculator -Sample data sets |
KLB Secondary Physics Form 3, Pages 5-13
|
|
| 2 | 4-5 |
Linear Motion
|
Measuring Speed, Velocity and Acceleration Using Ticker-Timer
Motion Under Gravity - Free Fall Horizontal Projection and Determining g Using Simple Pendulum |
By the end of the
lesson, the learner
should be able to:
Describe the working principle of a ticker-timer -Determine speed and velocity using ticker-timer -Calculate acceleration from ticker-tape analysis -Create tape charts to show different types of motion Define acceleration due to gravity -Apply equations of motion to free fall problems -Calculate time of flight and maximum height for vertical projection -Solve problems involving objects dropped or thrown vertically |
Review motion graphs through Q/A
-Explanation of ticker-timer operation (50Hz frequency) -Demonstration of ticker-timer setup with trolley -Analysis of ticker-tapes: equal spacing (uniform motion), increasing spacing (acceleration) -Creating tape charts by cutting and pasting strips -Calculations using 10-tick intervals (0.2s) Q/A review on ticker-timer experiments -Discussion on gravitational force and free fall -Demonstration using dropping different objects (in absence of air resistance) -Application of g = 9.8 m/s² in motion equations -Worked examples: free fall, vertical projection upward -Problem-solving session with vertical motion scenarios |
Ticker-timer
-Ticker-tape -Trolley -Runway -Power supply -Scissors -Cellotape -Graph paper -Rulers -Calculator Various objects for dropping -Stopwatch -Measuring tape -Calculator -Safety equipment -Charts showing free fall -Worked examples on board Ball -Table -Simple pendulum setup -Strings of different lengths -Masses -Clamp and stand -Graph paper |
KLB Secondary Physics Form 3, Pages 13-18
KLB Secondary Physics Form 3, Pages 22-25 |
|
| 3 | 1 |
Newton's Laws of Motion
|
Newton's First Law and Inertia
|
By the end of the
lesson, the learner
should be able to:
State Newton's first law of motion -Define inertia and relate it to mass -Explain the concept of balanced and unbalanced forces -Give examples of Newton's first law in daily life -Understand the need for seat belts and safety devices |
Q/A review on forces from previous studies
-Demonstration: cardboard and coin experiment -Demonstration: hitting bottom coin from stack -Discussion on inertia and its relationship to mass -Explanation of seat belts and safety devices in vehicles -Analysis of forces acting on aircraft in flight |
Cardboard
-Glass tumbler -Coins -Charts showing aircraft forces -Pictures of safety devices -Demonstration materials -Balance |
KLB Secondary Physics Form 3, Pages 65-67
|
|
| 3 | 2 |
Newton's Laws of Motion
|
Newton's First Law and Inertia
|
By the end of the
lesson, the learner
should be able to:
State Newton's first law of motion -Define inertia and relate it to mass -Explain the concept of balanced and unbalanced forces -Give examples of Newton's first law in daily life -Understand the need for seat belts and safety devices |
Q/A review on forces from previous studies
-Demonstration: cardboard and coin experiment -Demonstration: hitting bottom coin from stack -Discussion on inertia and its relationship to mass -Explanation of seat belts and safety devices in vehicles -Analysis of forces acting on aircraft in flight |
Cardboard
-Glass tumbler -Coins -Charts showing aircraft forces -Pictures of safety devices -Demonstration materials -Balance |
KLB Secondary Physics Form 3, Pages 65-67
|
|
| 3 | 3 |
Newton's Laws of Motion
|
Momentum and its Applications
|
By the end of the
lesson, the learner
should be able to:
Define momentum and state its SI unit -Calculate momentum using p = mv -Identify momentum as a vector quantity -Solve problems involving momentum calculations -Compare momentum of different objects |
Review Newton's first law through Q/A
-Introduction to momentum concept with examples -Demonstration: comparing stopping distances of vehicles -Worked examples on momentum calculations -Problem-solving session with various scenarios -Discussion on factors affecting momentum |
Calculator
-Toy cars of different masses -Stopwatch -Measuring tape -Worked examples charts -Problem worksheets |
KLB Secondary Physics Form 3, Pages 67-68
|
|
| 3 | 4-5 |
Newton's Laws of Motion
|
Newton's Second Law of Motion
Experimental Verification of Newton's Second Law |
By the end of the
lesson, the learner
should be able to:
State Newton's second law of motion -Derive the relationship F = ma -Define the Newton as unit of force -Understand rate of change of momentum -Apply F = ma to solve problems Investigate relationship between force and acceleration -Investigate relationship between mass and acceleration -Verify F = ma experimentally -Analyze ticker-tape results -Draw conclusions from experimental data |
Q/A on momentum concepts
-Derivation of F = ma from Newton's second law -Definition of the Newton using F = ma -Demonstration using ticker-timer and trolley -Worked examples applying F = ma -Problem-solving session with force calculations Review F = ma through Q/A -Experiment: Force vs acceleration (constant mass) -Experiment: Mass vs acceleration (constant force) -Analysis of ticker-tape patterns -Data collection and graph plotting -Discussion on experimental errors and improvements |
Ticker-timer
-Trolley -Runway -Elastic cords -Masses -Calculator -Force diagrams -Worked examples Ticker-timer -Trolley -Ticker tape -Elastic cords -Various masses -Scissors -Graph paper -Rulers -Calculator |
KLB Secondary Physics Form 3, Pages 68-74
KLB Secondary Physics Form 3, Pages 69-71 |
|
| 4 | 1 |
Newton's Laws of Motion
|
Impulse and Change in Momentum
|
By the end of the
lesson, the learner
should be able to:
Define impulse and state its units -Understand impulse-momentum theorem -Calculate impulse using Ft = Δp -Analyze force-time graphs -Apply impulse concept to real situations |
Q/A review on Newton's second law
-Introduction to impulse concept -Derivation of impulse-momentum theorem -Analysis of force-time graphs and area calculation -Worked examples on impulse calculations -Discussion on applications: car safety, sports |
Graph paper
-Force-time graph examples -Calculator -Charts showing car safety features -Sports equipment examples -Worked examples |
KLB Secondary Physics Form 3, Pages 71-74
|
|
| 4 | 2 |
Newton's Laws of Motion
|
Impulse and Change in Momentum
|
By the end of the
lesson, the learner
should be able to:
Define impulse and state its units -Understand impulse-momentum theorem -Calculate impulse using Ft = Δp -Analyze force-time graphs -Apply impulse concept to real situations |
Q/A review on Newton's second law
-Introduction to impulse concept -Derivation of impulse-momentum theorem -Analysis of force-time graphs and area calculation -Worked examples on impulse calculations -Discussion on applications: car safety, sports |
Graph paper
-Force-time graph examples -Calculator -Charts showing car safety features -Sports equipment examples -Worked examples |
KLB Secondary Physics Form 3, Pages 71-74
|
|
| 4 | 3 |
Newton's Laws of Motion
|
Newton's Third Law of Motion
|
By the end of the
lesson, the learner
should be able to:
State Newton's third law of motion -Understand action and reaction pairs -Explain that forces occur in pairs -Apply third law to various situations -Analyze motion in different scenarios |
Review impulse concepts through Q/A
-Demonstration: walking and floor interaction -Demonstration: jumping from boat scenario -Discussion on action-reaction pairs -Examples from daily life: walking, swimming, rocket propulsion -Problem-solving involving third law |
Books for pressure demonstration
-Spring balances -Trolleys -String -Charts showing action-reaction examples -Pictures of rockets and jets |
KLB Secondary Physics Form 3, Pages 75-80
|
|
| 4 | 4-5 |
Newton's Laws of Motion
|
Applications of Newton's Laws - Lifts and Apparent Weight
Conservation of Linear Momentum |
By the end of the
lesson, the learner
should be able to:
Analyze forces in accelerating lifts -Calculate apparent weight in different situations -Understand weightlessness concept -Apply Newton's laws to lift problems -Solve problems involving vertical motion State the law of conservation of momentum -Apply conservation of momentum to collisions -Distinguish between elastic and inelastic collisions -Solve collision problems -Understand momentum in explosions |
Q/A on Newton's third law
-Analysis of forces in lift moving upward with acceleration -Analysis of forces in lift moving downward with acceleration -Calculation of apparent weight in different scenarios -Discussion on weightlessness in spacecraft -Problem-solving session on lift problems Review lift problems through Q/A -Statement and explanation of conservation of momentum -Demonstration: colliding trolleys or balls -Analysis of elastic and inelastic collisions -Worked examples on collision problems -Discussion on explosions and momentum conservation |
Spring balance
-Mass -Lift diagrams -Calculator -Free-body diagram charts -Worked examples -Problem worksheets Trolleys -Plasticine -Marbles -Spring balance -Measuring tape -Stopwatch -Calculator -Collision demonstration apparatus |
KLB Secondary Physics Form 3, Pages 76-78
KLB Secondary Physics Form 3, Pages 80-86 |
|
| 5 | 1 |
Newton's Laws of Motion
|
Applications of Momentum Conservation - Rockets and Jets
|
By the end of the
lesson, the learner
should be able to:
Explain rocket and jet propulsion -Apply momentum conservation to propulsion systems -Understand recoil velocity calculations -Analyze garden sprinkler operation -Solve recoil problems |
Q/A review on momentum conservation
-Explanation of rocket propulsion principle -Analysis of jet engine operation -Calculation of recoil velocities -Demonstration: balloon rocket or garden sprinkler -Problem-solving on recoil scenarios |
Balloons
-String -Straws -Garden sprinkler (if available) -Charts showing rocket/jet engines -Calculator -Worked examples |
KLB Secondary Physics Form 3, Pages 86-87
|
|
| 5 | 2 |
Newton's Laws of Motion
|
Applications of Momentum Conservation - Rockets and Jets
|
By the end of the
lesson, the learner
should be able to:
Explain rocket and jet propulsion -Apply momentum conservation to propulsion systems -Understand recoil velocity calculations -Analyze garden sprinkler operation -Solve recoil problems |
Q/A review on momentum conservation
-Explanation of rocket propulsion principle -Analysis of jet engine operation -Calculation of recoil velocities -Demonstration: balloon rocket or garden sprinkler -Problem-solving on recoil scenarios |
Balloons
-String -Straws -Garden sprinkler (if available) -Charts showing rocket/jet engines -Calculator -Worked examples |
KLB Secondary Physics Form 3, Pages 86-87
|
|
| 5 | 3 |
Newton's Laws of Motion
|
Friction - Types and Laws
|
By the end of the
lesson, the learner
should be able to:
Define friction and explain its molecular basis -Distinguish between static and kinetic friction -State and apply laws of friction -Understand advantages and disadvantages of friction -Identify methods of reducing friction |
Review momentum applications through Q/A
-Demonstration: block on table with increasing force -Explanation of molecular basis of friction -Discussion on types of friction: static, kinetic, rolling -Investigation of factors affecting friction -Examples of friction in daily life and technology |
Wooden blocks
-Different surfaces -Spring balance -Weights -Lubricants -Sandpaper -Charts showing friction applications -Ball bearings |
KLB Secondary Physics Form 3, Pages 87-90
|
|
| 5 | 4-5 |
Newton's Laws of Motion
|
Viscosity and Terminal Velocity
|
By the end of the
lesson, the learner
should be able to:
Define viscosity and explain its effects -Understand motion of objects through fluids -Explain terminal velocity concept -Analyze forces on falling objects in fluids -Investigate factors affecting terminal velocity |
Q/A on friction concepts
-Demonstration: steel ball falling through different liquids -Explanation of viscous drag and terminal velocity -Analysis of forces: weight, upthrust, and viscous drag -Investigation of terminal velocity using glycerine -Discussion on applications: parachutes, rain drops |
Tall measuring cylinder
-Glycerine -Steel ball bearings -Water -Stopwatch -Rubber bands -Ruler -Different viscous liquids |
KLB Secondary Physics Form 3, Pages 90-93
|
|
| 6 | 1 |
Work, Energy, Power and Machines
|
Sources of Energy
|
By the end of the
lesson, the learner
should be able to:
Identify different sources of energy -Distinguish between renewable and non-renewable energy sources -Classify energy sources into appropriate categories -Discuss advantages and disadvantages of different energy sources -Understand energy crisis and conservation needs |
Q/A on energy experiences in daily life
-Discussion on various energy sources students know -Classification activity: renewable vs non-renewable -Group work on energy source advantages/disadvantages -Presentation on local energy sources in Kenya -Discussion on energy conservation importance |
Charts showing energy sources
-Pictures of solar panels, wind mills -Samples: coal, wood, batteries -Energy source classification cards -Local energy examples -Conservation posters |
KLB Secondary Physics Form 3, Pages 93-95
|
|
| 6 | 2 |
Work, Energy, Power and Machines
|
Forms of Energy
|
By the end of the
lesson, the learner
should be able to:
Define different forms of energy -Identify chemical, mechanical, heat, electrical, and wave energy -Give examples of each form of energy -Understand energy exists in various forms -Relate forms of energy to daily experiences |
Review energy sources through Q/A
-Introduction to different forms of energy -Demonstration: chemical energy in battery, mechanical energy in moving objects -Discussion on heat energy from friction -Examples of electrical energy in appliances -Identification of wave energy: light, sound |
Battery and bulb
-Moving trolley -Rubbing blocks for friction -Electrical appliances -Tuning fork -Torch -Energy forms charts -Real objects showing energy forms |
KLB Secondary Physics Form 3, Pages 95-96
|
|
| 6 | 3 |
Work, Energy, Power and Machines
|
Energy Transformation and Conservation
|
By the end of the
lesson, the learner
should be able to:
Understand energy transformations between different forms -State the law of conservation of energy -Identify transducers and their functions -Apply conservation of energy to various situations -Draw energy transformation diagrams |
Q/A on forms of energy
-Demonstration: energy transformations in hydroelectric power -Examples of transducers: battery, dynamo, solar cell -Statement and explanation of energy conservation law -Drawing energy flow diagrams -Discussion on energy losses and efficiency |
Dynamo
-Battery -Solar cell (if available) -Charts showing energy transformations -Transducer examples -Energy flow diagrams -Hydroelectric model setup |
KLB Secondary Physics Form 3, Pages 96-97
|
|
| 6 | 4-5 |
Work, Energy, Power and Machines
|
Energy Transformation and Conservation
Work and its Calculation |
By the end of the
lesson, the learner
should be able to:
Understand energy transformations between different forms -State the law of conservation of energy -Identify transducers and their functions -Apply conservation of energy to various situations -Draw energy transformation diagrams Define work in scientific terms -State the condition for work to be done -Calculate work using W = F × d -Understand work as a scalar quantity -Solve problems involving work calculations |
Q/A on forms of energy
-Demonstration: energy transformations in hydroelectric power -Examples of transducers: battery, dynamo, solar cell -Statement and explanation of energy conservation law -Drawing energy flow diagrams -Discussion on energy losses and efficiency Review energy transformations through Q/A -Definition of work with emphasis on force and displacement -Demonstration: lifting objects, pushing trolleys -Worked examples on work calculations -Discussion on when no work is done -Problem-solving session on work calculations |
Dynamo
-Battery -Solar cell (if available) -Charts showing energy transformations -Transducer examples -Energy flow diagrams -Hydroelectric model setup Spring balance -Masses -Trolley -Measuring tape -Calculator -Force and displacement demonstrations -Worked examples charts -Problem worksheets |
KLB Secondary Physics Form 3, Pages 96-97
KLB Secondary Physics Form 3, Pages 96-99 |
|
| 7 | 1 |
Work, Energy, Power and Machines
|
Work with Variable Forces
|
By the end of the
lesson, the learner
should be able to:
Calculate work done by variable forces -Interpret force-distance graphs -Find work done using area under graphs -Understand positive and negative work -Apply graphical methods to work calculations |
Q/A review on work calculations
-Introduction to variable forces -Plotting force-distance graphs -Demonstration: stretching spring with varying force -Calculation of areas under graphs -Worked examples with triangular and trapezoidal areas |
Graph paper
-Springs -Force meter -Ruler -Calculator -Force-distance graph examples -Different shaped area examples -Demonstration springs |
KLB Secondary Physics Form 3, Pages 99-100
|
|
| 7 | 2 |
Work, Energy, Power and Machines
|
Gravitational Potential Energy
|
By the end of the
lesson, the learner
should be able to:
Define gravitational potential energy -Derive P.E. = mgh -Calculate potential energy at different heights -Understand reference levels for potential energy -Solve problems involving potential energy |
Review variable force work through Q/A
-Demonstration: lifting objects to different heights -Derivation of P.E. = mgh -Discussion on choice of reference level -Worked examples on potential energy calculations -Problem-solving session with gravitational P.E. |
Masses of different sizes
-Measuring tape -Spring balance -Calculator -Height measurement setup -Worked examples -Gravitational P.E. charts |
KLB Secondary Physics Form 3, Pages 100-102
|
|
| 7 | 3 |
Work, Energy, Power and Machines
|
Gravitational Potential Energy
|
By the end of the
lesson, the learner
should be able to:
Define gravitational potential energy -Derive P.E. = mgh -Calculate potential energy at different heights -Understand reference levels for potential energy -Solve problems involving potential energy |
Review variable force work through Q/A
-Demonstration: lifting objects to different heights -Derivation of P.E. = mgh -Discussion on choice of reference level -Worked examples on potential energy calculations -Problem-solving session with gravitational P.E. |
Masses of different sizes
-Measuring tape -Spring balance -Calculator -Height measurement setup -Worked examples -Gravitational P.E. charts |
KLB Secondary Physics Form 3, Pages 100-102
|
|
| 7 | 4-5 |
Work, Energy, Power and Machines
|
Kinetic Energy
Conservation of Mechanical Energy |
By the end of the
lesson, the learner
should be able to:
Define kinetic energy -Derive K.E. = ½mv² -Calculate kinetic energy of moving objects -Understand relationship between work and kinetic energy -Apply work-energy theorem Apply conservation of energy to mechanical systems -Analyze energy changes in pendulums and projectiles -Solve problems using conservation of energy -Understand energy transformations in oscillating systems -Calculate energy at different positions |
Q/A on potential energy concepts
-Demonstration: moving trolleys at different speeds -Derivation of K.E. = ½mv² using work-energy theorem -Worked examples on kinetic energy calculations -Discussion on work-energy theorem -Problem-solving session on kinetic energy Review kinetic energy through Q/A -Demonstration: simple pendulum energy changes -Analysis of energy at different positions in pendulum swing -Discussion on energy conservation in projectile motion -Worked examples using conservation of energy -Problem-solving on energy conservation |
Trolleys
-Stopwatch -Measuring tape -Spring balance -Calculator -Kinetic energy demonstration setup -Speed measurement apparatus Simple pendulum setup -Measuring tape -Stopwatch -Masses -Calculator -Pendulum energy charts -Conservation examples -String and bob |
KLB Secondary Physics Form 3, Pages 102-105
KLB Secondary Physics Form 3, Pages 104-106 |
|
| 8 |
MID TERM BREAK |
|||||||
| 9 | 1 |
Work, Energy, Power and Machines
|
Power and its Applications
|
By the end of the
lesson, the learner
should be able to:
Define power as rate of doing work -Calculate power using P = W/t and P = Fv -State SI unit of power (Watt) -Understand power ratings of appliances -Solve problems involving power calculations |
Q/A on energy conservation
-Definition of power with examples -Derivation of P = W/t and P = Fv -Discussion on power ratings of electrical appliances -Worked examples on power calculations -Investigation: measuring power of students climbing stairs |
Stopwatch
-Measuring tape -Spring balance -Calculator -Electrical appliances for power ratings -Stairs for practical work -Power calculation charts |
KLB Secondary Physics Form 3, Pages 106-108
|
|
| 9 | 2 |
Work, Energy, Power and Machines
|
Power and its Applications
|
By the end of the
lesson, the learner
should be able to:
Define power as rate of doing work -Calculate power using P = W/t and P = Fv -State SI unit of power (Watt) -Understand power ratings of appliances -Solve problems involving power calculations |
Q/A on energy conservation
-Definition of power with examples -Derivation of P = W/t and P = Fv -Discussion on power ratings of electrical appliances -Worked examples on power calculations -Investigation: measuring power of students climbing stairs |
Stopwatch
-Measuring tape -Spring balance -Calculator -Electrical appliances for power ratings -Stairs for practical work -Power calculation charts |
KLB Secondary Physics Form 3, Pages 106-108
|
|
| 9 | 3 |
Work, Energy, Power and Machines
|
Simple Machines - Introduction and Terminology
|
By the end of the
lesson, the learner
should be able to:
Define machines and their purposes -Understand load, effort, and fulcrum -Define mechanical advantage, velocity ratio, and efficiency -Calculate M.A., V.R., and efficiency -Understand relationship between these quantities |
Review power concepts through Q/A
-Introduction to machines and their uses -Demonstration: simple lever showing load, effort, fulcrum -Definition and calculation of M.A., V.R., and efficiency -Worked examples on machine calculations -Discussion on why efficiency is always less than 100% |
Simple lever setup
-Masses for loads -Spring balance -Ruler -Calculator -Machine terminology charts -Efficiency calculation examples |
KLB Secondary Physics Form 3, Pages 108-112
|
|
| 9 | 4-5 |
Work, Energy, Power and Machines
|
Levers - Types and Applications
Pulleys - Fixed and Movable |
By the end of the
lesson, the learner
should be able to:
Classify levers into three types -Identify examples of each type of lever -Apply principle of moments to levers -Calculate forces in lever systems -Understand applications of different lever types Understand operation of fixed and movable pulleys -Calculate M.A. and V.R. for different pulley systems -Analyze block and tackle arrangements -Solve problems involving pulley systems -Understand advantages of pulley systems |
Q/A on machine terminology
-Classification of levers: Class I, II, and III -Demonstration: examples of each lever type -Application of principle of moments -Worked examples on lever calculations -Identification of levers in daily life tools Review lever types through Q/A -Demonstration: fixed pulley operation -Demonstration: single movable pulley -Analysis of block and tackle systems -Calculation of M.A. and V.R. for different arrangements -Problem-solving on pulley systems |
Various lever examples
-Rulers -Masses -Spring balance -Fulcrum supports -Lever classification charts -Daily life lever examples -Calculator Pulley blocks -String -Masses -Spring balance -Pulley arrangements -Block and tackle setup -Calculator -Pulley system diagrams |
KLB Secondary Physics Form 3, Pages 112-114
KLB Secondary Physics Form 3, Pages 115-120 |
|
| 10 | 1 |
Work, Energy, Power and Machines
|
Inclined Planes and Screws
|
By the end of the
lesson, the learner
should be able to:
Understand inclined plane as a machine -Calculate M.A. and V.R. for inclined planes -Analyze screw as an inclined plane -Understand applications of inclined planes -Solve problems involving inclined planes |
Q/A on pulley systems
-Demonstration: moving load up inclined plane -Measurement of effort and load for inclined plane -Calculation of M.A. and V.R. for inclined plane -Discussion on screw as modified inclined plane -Examples of inclined planes in daily life |
Inclined plane setup
-Trolley or wooden block -Spring balance -Measuring tape -Protractor -Calculator -Screw examples -Various inclined plane models |
KLB Secondary Physics Form 3, Pages 114-115
|
|
| 10 | 2 |
Work, Energy, Power and Machines
|
Inclined Planes and Screws
|
By the end of the
lesson, the learner
should be able to:
Understand inclined plane as a machine -Calculate M.A. and V.R. for inclined planes -Analyze screw as an inclined plane -Understand applications of inclined planes -Solve problems involving inclined planes |
Q/A on pulley systems
-Demonstration: moving load up inclined plane -Measurement of effort and load for inclined plane -Calculation of M.A. and V.R. for inclined plane -Discussion on screw as modified inclined plane -Examples of inclined planes in daily life |
Inclined plane setup
-Trolley or wooden block -Spring balance -Measuring tape -Protractor -Calculator -Screw examples -Various inclined plane models |
KLB Secondary Physics Form 3, Pages 114-115
|
|
| 10 | 3 |
Quantity of Heat
|
Heat capacity and specific heat capacity
Determination of specific heat capacity - method of mixtures for solids |
By the end of the
lesson, the learner
should be able to:
Define heat capacity and specific heat capacity - State SI units for both quantities - Distinguish between heat capacity and specific heat capacity - Use formula Q = mcθ in simple calculations |
Q/A on heat concepts from previous studies
- Discussion on definitions and units - Comparison of heat capacity vs specific heat capacity - Simple problem solving using Q = mcθ formula |
Charts on heat definitions, Calculators, Simple problem worksheets, Various materials for comparison
Metal blocks, Beakers, Water, Thermometers, Weighing balance, Heat source, Well-lagged calorimeter, Stirrer |
KLB Secondary Physics Form 3, Pages 206-209
|
|
| 10 | 4-5 |
Quantity of Heat
|
Determination of specific heat capacity - electrical method
Specific heat capacity of liquids and continuous flow method Change of state and latent heat concepts |
By the end of the
lesson, the learner
should be able to:
Describe electrical method for solids - Perform electrical heating experiment - Calculate electrical energy supplied - Determine specific heat capacity using electrical method Define latent heat of fusion and vaporization - Explain change of state process - Plot cooling curve for naphthalene - Identify melting and boiling points from graphs |
Experiment using electrical heating of metal block
- Measurement of voltage, current and time - Calculation of electrical energy supplied - Determination of specific heat capacity Experiment plotting cooling curve for naphthalene - Observation of temperature plateaus during phase changes - Discussion on latent heat concept - Graph analysis and interpretation |
Metal cylinder with heater, Voltmeter, Ammeter, Thermometer, Stopwatch, Insulating materials, Power supply
Calorimeter, Electrical heater, Water, Measuring instruments, Continuous flow apparatus diagram, Problem sets Naphthalene, Test tubes, Thermometer, Stopwatch, Graph paper, Heat source, Cooling apparatus |
KLB Secondary Physics Form 3, Pages 212-214
KLB Secondary Physics Form 3, Pages 218-220 |
|
| 11 | 1 |
Quantity of Heat
|
Specific latent heat of fusion
Specific latent heat of vaporization |
By the end of the
lesson, the learner
should be able to:
Define specific latent heat of fusion - Determine latent heat of ice by method of mixtures - Perform electrical method for latent heat - Calculate latent heat from experimental data |
Method of mixtures experiment using ice and warm water
- Electrical method using ice and immersion heater - Heat balance calculations - Determination of specific latent heat values |
Ice, Calorimeter, Thermometer, Electrical heater, Filter funnels, Beakers, Measuring cylinders
Steam generator, Condenser, Calorimeter, Electrical heater, Measuring instruments, Safety equipment |
KLB Secondary Physics Form 3, Pages 220-223
|
|
| 11 | 2 |
Quantity of Heat
|
Effects of pressure and impurities on melting and boiling points
|
By the end of the
lesson, the learner
should be able to:
Investigate effect of pressure on melting point of ice - Demonstrate regelation phenomenon - Investigate effect of pressure on boiling point - Explain effect of impurities on phase transition temperatures |
Regelation experiment with ice and wire
- Pressure effect on boiling point using flask - Salt solution boiling point investigation - Discussion on pressure cooker working |
Ice blocks, Weighted wire, Round-bottomed flask, Thermometer, Salt solutions, Pressure cooker model
|
KLB Secondary Physics Form 3, Pages 227-230
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| 11 | 3 |
Quantity of Heat
Gas Laws |
Evaporation and cooling effects
Introduction to gas behavior and Boyle's Law |
By the end of the
lesson, the learner
should be able to:
Define evaporation and distinguish from boiling - Investigate factors affecting evaporation rate - Demonstrate cooling effect of evaporation - Explain applications of evaporation cooling |
Experiments on evaporation rate factors
- Demonstration of cooling by evaporation using ether - Investigation of surface area, temperature and humidity effects - Discussion on natural cooling systems |
Various liquids, Beakers, Fans, Thermometers, Ether, Test tubes, Humidity measuring devices
Syringes, J-shaped tubes, Oil, Bourdon gauge, Foot pump, Metre rule, Graph paper |
KLB Secondary Physics Form 3, Pages 230-233
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| 11 | 4-5 |
Gas Laws
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Boyle's Law experiments and calculations
Boyle's Law applications and kinetic theory explanation Charles's Law |
By the end of the
lesson, the learner
should be able to:
Perform experiment to verify Boyle's Law - Record pressure and volume data - Plot graphs of P vs V, P vs 1/V, and PV vs P - Calculate pressure-volume products and verify constant relationship Apply Boyle's Law to solve numerical problems - Explain Boyle's Law using kinetic theory - Analyze isothermal processes - Solve problems involving gas bubbles and atmospheric pressure |
Experiment using J-shaped tube with oil and pressure measurement
- Data collection and tabulation - Graph plotting and analysis - Verification of PV = constant relationship Problem solving using P₁V₁ = P₂V₂ - Kinetic theory explanation of pressure-volume relationship - Analysis of molecular collision frequency - Real-world applications like diving and altitude effects |
Thick-walled J-shaped tube, Oil, Pressure gauge, Measuring instruments, Data tables, Graph paper, Calculators
Problem worksheets, Kinetic theory diagrams, Calculator, Gas bubble scenarios, Atmospheric pressure data Gas tubes, Water baths, Thermometers, Measuring cylinders, Heating apparatus, Graph paper, Temperature control equipment |
KLB Secondary Physics Form 3, Pages 235-238
KLB Secondary Physics Form 3, Pages 238-240 |
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| 12 | 1 |
Gas Laws
|
Charles's Law applications and absolute temperature scale
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By the end of the
lesson, the learner
should be able to:
Apply Charles's Law in numerical problems - Convert between Celsius and Kelvin scales - Explain concept of absolute zero - Solve problems using V₁/T₁ = V₂/T₂ |
Problem solving with Charles's Law formula
- Temperature scale conversions - Mathematical analysis of absolute zero - Real-world applications in hot air balloons and gas heating |
Temperature conversion charts, Problem sets, Calculators, Hot air balloon examples, Gas heating scenarios
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KLB Secondary Physics Form 3, Pages 241-243
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| 12 | 2 |
Gas Laws
|
Pressure Law (Gay-Lussac's Law)
Combined gas laws and ideal gas behavior |
By the end of the
lesson, the learner
should be able to:
State relationship between pressure and temperature at constant volume - Demonstrate pressure-temperature experiments - Verify P ∝ T relationship - Derive pressure law formula |
Experiment using constant volume gas with temperature variation
- Pressure measurements at different temperatures - Graph plotting of P vs T - Verification of linear relationship through origin |
Constant volume gas apparatus, Pressure gauges, Temperature control, Water baths, Thermometers, Graph materials
Combined law worksheets, Complex problem sets, Calculators, Ideal gas assumption charts |
KLB Secondary Physics Form 3, Pages 242-244
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| 12 | 3 |
Gas Laws
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Kinetic theory of gases
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By the end of the
lesson, the learner
should be able to:
State basic assumptions of kinetic theory - Explain gas laws using molecular motion - Relate temperature to average kinetic energy - Analyze molecular behavior in different conditions |
Discussion of kinetic theory postulates
- Molecular explanation of gas laws - Mathematical relationship between temperature and kinetic energy - Analysis of molecular motion at different temperatures |
Kinetic theory diagrams, Molecular motion animations, Temperature-energy relationship charts, Theoretical discussion materials
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KLB Secondary Physics Form 3, Pages 244-245
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| 12 | 4-5 |
Gas Laws
|
Absolute zero and temperature scales
Comprehensive applications and problem solving |
By the end of the
lesson, the learner
should be able to:
Explain concept of absolute zero temperature - Extrapolate gas law graphs to find absolute zero - Convert between temperature scales - Analyze relationship between Celsius and Kelvin scales Solve complex multi-step gas law problems - Apply gas laws to real-world situations - Analyze atmospheric and weather-related phenomena - Review all gas law concepts and applications |
Graph extrapolation to determine absolute zero
- Mathematical analysis of temperature scale relationships - Problem solving with temperature conversions - Discussion on theoretical and practical aspects of absolute zero Comprehensive problem solving session - Analysis of weather balloons, scuba diving, and atmospheric pressure effects - Review of all gas laws - Preparation for examinations with complex scenarios |
Graph paper, Extrapolation exercises, Temperature scale diagrams, Conversion worksheets, Scientific calculators
Past examination papers, Multi-step problem sets, Real-world scenario worksheets, Summary charts, Calculators |
KLB Secondary Physics Form 3, Pages 241-245
KLB Secondary Physics Form 3, Pages 235-245 |
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