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Kit Sam Lam Bing Yim Secondary School
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2025-2026 Secondary 4 Physics Scheme of work
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Subject head：Lee Chi Yuen
Written by：Lee Chi Yuen
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Remarks：
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A. Key Tasks code：1.Moral and Civic Education; 2. Reading to learn、3. Project learning; 4.Information Technology for Interactive Learning
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B.Twelve priority values and attitudes code：1. "Perseverance", 2. "Respect for Others", 3. "Responsibility", 4. "National Identity", 5. "Commitment", 6. "Integrity" ,
7. "Care for Others"
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8. "Law-abidingness" , 9. "Empathy" and 10. "Diligence” 11. “Unity” 12. ‘Filial Piety’
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C. Core values of Catholic schools code︰1. Truth; 2. Life; 3. Family 4. Love; 5. Justise
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D. The Constitution, the Basic Law and the National Security Education code : #
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E. Major concerns of the year：1. Cultivate students' proactive attitudes towards learning, enabling them to become knowledgeable and thoughtful while appreciating the exploration and growth inherent in the learning process.
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　　　　　　　　　 　 2. Foster a positive campus culture to help students thrive in a healthy and confident environment.
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F. Coursebooks：
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Lesson LearningWhole school approach
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Week (no.of periods)ThemeKnowledgeSkillsActivityA. Major concernsB. Twelve priority values and attitudes codeAttitudesC. Core values of Catholic schools codeD. The Constitution, the Basic Law and the National Security EducationLife-wide learning weekPractice and serviceCreating a School AtmosphereRemarksTeacher-in-charge
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0(1)Introduction (Summer bridging)
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Book 3A Wave motion (I)
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1-2(7)Ch.1-2A Reflection and refractionExamine the laws of refraction.Construct images formed by a plane mirror. Demonstration:
Regular and diffuse reflection		4Develop curiosity through the study of Physics1Mr. Lee Chi Yuen
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Realize n= sini/sinr as the refractive index of a medium.Sketch the path of a ray refracted at a boundary. Object floating in mid-airObserve and record experimental observations accurately and honestly
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Solve problems involving refraction at a boundary.Dispersion of white light
Simulation:
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Laws of refraction
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Video:
Car moving through different media
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Experiment:
Determining the refractive index of glass or Perspex
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3(4)Ch.2B Total internal reflectionØ Examine the conditions for total internal reflection.Solve problems involving total internal reflection at the boundary.Demonstration:
Simple optical fibre		2,46 Observe and record experimental observations accurately and honestly1,5#Mr. Lee Chi Yuen
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Science processing skills:
Devise and plan experiments		Total internal reflection in water
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Use graphical techniques appropriately to display experimental results and to convey conceptsSimulation:
Total internal reflection
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Experiment:
Determining the conditions for total internal reflection to occur
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4-5(7)Ch.3 LensesDistinguish between convex lens and concave lens.Construct images formed by converging and diverging lens graphically. Experiment:
Measuring the focal lengths of lenses		46Observe and record experimental observations accurately and honestly1,5Mr. Lee Chi Yuen
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Apply 1/u+ 1/v= 1/f
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Science processing skills:
Devise and plan experiments
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Book 3B Wave Motion (II)
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6-8(9)Ch.4 Natures of wave Interpret wave motion in terms of oscillation. Present information on displacement-time graph and displacement-distance graphs for travelling waves.Demonstration:
Transverse pulses and waves		46 Examine theories and concepts through logical reasoning and experimentation unbiasedly.1,5Mr. Lee Chi Yuen
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 Realise waves as transmitting energy without transferring matter. Determine factors affecting the speed of propagation of waves along stretched strings or springs.
Longitudinal pulses and waves
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 Distinguish between transverse and longitudinal wave. Apply f=1/T and v=fλ to solve problems. Simulation:
 Transverse wave
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 Longitudinal wave
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Experiment:
 Transverse pulses and waves
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 Longitudinal pulses and waves
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Simulation:
 Amplitude of transverse waves
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 Wavelength of transverse waves
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 Frequency of transverse waves
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 Particle movement and wave motion
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9-10(4)Ch.5.1-5.2
Reflection and refraction		 Realise the reflection of waves at a plane barrier, reflection and surface. Draw wavefront diagrams to show reflection and refraction.Demonstration:
 Reflection of water waves by straight barrier		2,41,2,6 Appreciate the wave model developed and recognize that there are always limitations in a physical model.1Mr. Lee Chi Yuen
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 Realise the refraction of waves across a plane boundary.
Science processing skills
 Select appropriate methods and apparatus to carry out investigations		 Refraction of water waves Learn to respect for evidence.
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 Examine the change in wave speeds during refraction and define refractive index in terms of wave speeds. Simulation:
 Reflection of water waves
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 Reflection by a straight barrier
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 Refraction across a straight interface
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10-12(8)Ch.5.3-5.4
Diffraction and interference		 Examine the effect of the width of slit on the degree of diffraction. Describe diffraction of waves through a narrow gap and around a corner. Demonstration:
 Diffraction of water waves		2,4 Appreciate the wave model developed and recognize that there are always limitations in a physical model.1,5Mr. Lee Chi Yuen
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 Realise the interference of waves. Describe the superposition of two pulses. Interference of water waves Learn to respect for evidence.
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 Distinguish between constructive and destructive interferences. Determine the conditions for constructive and destructive interferences in terms of path difference. Simulation:
 Diffraction of water waves
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 Examine the interferences of waves from two coherent sources. Draw wavefront diagrams to show diffraction and interference. Interference of water waves
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12(2)Ch.5.5
Standing waves		 Describe the characteristics of stationary waves. Explain the formation of a stationary waves. Experiment:
Transverse stationary waves (Transverse):		46 Appreciate the wave model developed and recognize that there are always limitations in a physical model.1Mr. Lee Chi Yuen
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Simulation:
Startionary waves		 Learn to respect for evidence.
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 Reflection & phase change
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13-14(8)Ch.7.1-7.2
Longitudinal wave, Wave nature of Sound		 Realise sound as an example of longitudinal waves Compare the general properties of sound waves and those of light waves. Simulation:
Amplitude, wavelength, period and frequency of longitudinal waves 		4 develop a habit of self-reflection and the ability to think critically1Mr. Lee Chi Yuen
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 Realise that sound can exhibit reflection, refraction, diffraction and interference. Video:
Diffraction of sound
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 Realise the need for a medium for sound transmission Interference of sound
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15-16(4)Ch.7.3-7.4
Properties of sound. Musical notes and noise		 Examine the existence of ultrasound beyond the audible frequency range. Determine the audible frequency rangeVideo:
Ultra-sonic scanner		2,4 develop a habit of self-reflection and the ability to think critically1,2Mr. Lee Chi Yuen
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 Relate frequency and amplitude with the pitch and loudness of a note respectively. Compare musical notes using pitch, loudness and quality. Experiment:
Musical notes
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 Represent sound intensity level using the unit decibel. Discuss the effects of noise pollution and the importance of acoustic protection.
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17(3)Revision
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18-19First Term Examination
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19-20(4)Paper Checking
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21-22(7)Ch.6.1-6.2
Nature of light		 Point out light as an example of transverse wave.Apply Δy=λD/a to solve problems.Simulation:
 Diffraction pattern of light		2,4 Appreciate the advancement of important scientific theories (such as those related to the study of light) is the fruit of the hard work of generations of scientists who devoted themselves to scientific investigations by applying their intelligence, knowledge and skills1,4,5Mr. Lee Chi Yuen
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 Realise diffraction and interference as an example of transverse wave.Apply dsinθ=nλ to solve problems. Interference pattern of light
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 Examine the interference patterns in the Young’s double slit experiment.Science processing skills
Devise and plan experiments		Experiment:
 Diffraction of light
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 Examine the interference patterns in the plane transmission grating. Observe and record experimental observations accurately and honestly Interference of light
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Make decisions based on the examination of evidence and arguments Plane transmission grating
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 Estimating the wavelength of light by using double slit or plane transmission grating
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23-24(4)Ch.6.3
Electromagnetic spectrum		 State that the speed of light and electromagnetic waves in vacuum is 3.0 × 10-8 ms-1. Design experiment to show the existence of infra-red and ultraviolet light. Simulation:
Diffraction pattern of light		2,4 Aware the importance of the proper use of microwave ovens and to be committed to safe practices in daily life1,4Mr. Lee Chi Yuen
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 State the range of wavelengths for visible light. Interference pattern of light Controversial issues about the effects of microwave radiation on the health of the general public through the use of mobile phones
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 State the relative positions of visible light and other parts of the electromagnetic spectrum. Experiment:
 Diffraction of light		 the biological effects of increased ultra-violet radiation from the Sun on the human body as a result of the depletion of the atmospheric ozone layer by artificial pollutants
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 Interference of light The impact on society of the scientific discovery of electromagnetic waves and the technological advances in the area of telecommunications
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 Plane transmission grating Recognise the importance of lifelong learning in our rapidly changing knowledge-based society.
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 Estimating the wavelength of light by using double slit or plane transmission grating
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Book 2 Force and motion
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25-26(8)Ch 1 Motion Distinguish between scalar and vector quantities Use scalars and vectors to represent physical quantities
Simulation :
 Distance and displacement		4 Appreciate the phenomena, facts and patterns, principles, concepts, laws and theories in physics.1Mr. Lee Chi Yuen
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 Understand phenomena, facts and patterns, principles, concepts, laws and theories in physics. Describe the change of position of objects in terms of distance and displacement. Average speed and instantaneous speed
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 Expressing vectors along a straight line
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Experiment:
 Reaction time
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27-29(11)Ch 2 Straight line motion Define average speed as the distance travelled in a given period of time and average velocity as the displacement changed in a period of time. Present information on displacement-time graphs for moving objects.Simulation :
 Draw your own v–t graphs		4 Understand phenomena, facts and patterns, principles, concepts, laws and theories in physics1Mr. Lee Chi Yuen
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 Distinguish between instantaneous and average speed/velocity. use displacement-time and velocity-time graphs to determine the displacement and velocity of objects or moving objects. Average speed and instantaneous speed Apply knowledge and principles of physics to solve problems
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 interpret the uniform motion of objects using algebraic. Describe the motion of objects in terms of speed and velocity Appreciate the fundamental role of models in exploring observed natural phenomena
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 Define acceleration as the rate of change of velocity. Present information on velocity-time graphs for moving objects. Present concepts of physics in mathematical terms whenever appropriate
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 Derive equations of uniformly accelerated motion
v = u + at
s = ut + 1/2 at^2
v^2 = u^2 – 2as		 Use velocity-time graphs to determine the acceleration of objects in uniformly accelerated motion. Understand phenomena, facts and patterns, principles, concepts, laws and theories in physics
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 Present information on acceleration-time graphs for moving objects. Apply knowledge and principles of physics to solve problems
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 Solve problems involving objects in uniformly accelerated motion.
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30-32(6)Ch 3 Force and Motion (I) State Newton’s First Law of motion and use it to explain situations in which objects are at rest or in uniform motion. Use free-body diagrams to show the forces acting on objects.Demonstration :
 The 'coin and feather' experiment		3,410 To be aware of the potential danger of falling objects from high-rise buildings and to adopt a cautious attitude in matters concerning public safety.1Mr. Lee Chi Yuen
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 Understand friction as a force opposing motion/tendency of motion. Solve the problems involving equilibrium body. Apparent weight in a lift Identify natural phenomena.
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 Examine the motion of free-falling objects experimentally and estimate the acceleration due to gravity. Solve problems involving displacement, time and velocity. Motion under balanced forces-terminal speed Appreciate the fundamental role of models in exploring observed natural phenomena.
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 State Newton’s Second Law of motion and verify F = ma experimentally. Present graphically information on vertical motions under gravity. The 3D model of a hovercraft To be aware of the importance of car safety and be committed to safe practices in their daily life.
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 Use Newton as a unit of force Apply equations of uniformly accelerated motion to solve problems involving objects in vertical motion.Simulation :
 Motion under gravity		 Understand phenomena, facts and patterns, principles, concepts, laws and theories in physics
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 realise forces acting in pairs Describe the effect of air resistance on the motion of objects falling under gravity. Throwing a ball up Apply knowledge and principles of physics to solve problems
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 State Newton’s Third Law of motion and identify action and reaction pair of forces Determine the net force acting on object(s). Apparent weight in a lift
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Distinguish between mass and weight Describe the meaning of inertia and its relationship to mass.Video :
 Bungee jumping
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 Realise the relationship between mass and weight Apply Newton’s Second Law of motion to solve problems involving motion in one dimension . Not wearing a seat-belt
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 Describe the effect of a net force on the speed and/or direction of motion of an object. Apparent change in weight in a lift
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 Skydiving
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 Paired force
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 Hovercraft