Pearson Edexcel IAL Physics

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IAL 物理主題：深石墨膠墊上放著鋁製低摩擦滑軌與滑車、光閘、黃銅滑輪與砝碼、顯示綠色正弦波與空白旋鈕的示波器、訊號產生器、黃銅彈簧與砝碼，以及黃銅座上的繞射光柵（可見光譜）。

Build connected physics models, then strengthen calculations, graphs and practical responses.

  • Define the physical system, interactions and assumptions before choosing equations
  • Connect equations and graph features to quantities, units and physical meaning
  • Build written explanations as a causal chain from principle to observed effect
  • Treat practical work as one evidence process from design and measurement to evaluation
課程重點收起課程重點

課程重點

Choose the physical model before selecting an equation Students often know formulae but cannot identify the system, interaction or assumption represented by them.
Define the system
Mark objects, boundaries, directions, interactions and neglected effects.
Use a decisive diagram
Construct a force, circuit, ray, field or energy diagram before calculation.
Test the model
Check whether conservation laws, field approximations or material assumptions apply.
 Connect equations, graphs and physical meaning Mathematical steps should describe a physical relationship rather than becoming detached manipulation.
Read graphs physically
Interpret gradient, area, intercept, curvature and uncertainty in context.
Control quantities
Track vectors, signs, units, significant figures and proportional relationships.
Evaluate the result
Use order of magnitude, limiting cases and dimensions to detect impossible answers.
 Write causal explanations that earn marks Replace keyword lists with a clear chain from law or mechanism to the observed effect.
Name the principle
Identify the relevant law, field interaction, wave behaviour or particle process.
State the change
Explain what changes, in which direction and under what condition.
Complete the consequence
Connect the mechanism to the measured or observed outcome.
 Treat practical questions as evidence problems Integrate method, measurement, data processing, uncertainty and evaluation into one argument.
Design for the quantity
Choose variables, range, repeats and apparatus from the relationship being tested.
Process transparently
Show how raw readings become graphs, gradients or derived quantities.
Evaluate specifically
Link each limitation to its effect and a practical improvement.
課程內容收起課程內容

課程內容

Unit 1 · WPH11
Mechanics and Materials
  • Rectilinear motion and motion graphs
  • Forces and Newton’s laws
  • Momentum
  • Work, energy and power
  • Fluid flow and density
  • Solid materials, stress, strain and Young modulus
Written examination: 1 hour 30 minutes, 80 marks.
Unit 2 · WPH12
Waves and Electricity
  • Wave properties and the wave equation
  • Superposition and standing waves
  • Refraction, diffraction and optics
  • Charge, current and potential difference
  • Resistance, circuits and electrical power
Written examination: 1 hour 30 minutes, 80 marks.
Unit 3 · WPH13
Practical Skills in Physics I
  • Experimental planning and variables
  • Measurement and instrument choice
  • Tables and graph construction
  • Gradient and intercept analysis
  • Uncertainty, errors and improvements
Written practical-skills examination: 1 hour 20 minutes, 50 marks.
Unit 4 · WPH14
Further Mechanics, Fields and Particles
  • Momentum and circular motion
  • Electric fields and capacitance
  • Magnetic fields and electromagnetic effects
  • Gravitational fields
  • Particle physics and conservation laws
Written examination: 1 hour 45 minutes, 90 marks.
Unit 5 · WPH15
Thermodynamics, Radiation, Oscillations and Cosmology
  • Thermal energy and gas models
  • Nuclear decay and radiation
  • Simple harmonic motion
  • Astrophysical measurements
  • Stars, the universe and cosmology
Written examination: 1 hour 45 minutes, 90 marks.
Unit 6 · WPH16
Practical Skills in Physics II
  • Advanced experimental design
  • Processing unfamiliar data
  • Uncertainty and percentage uncertainty
  • Graphical and mathematical analysis
  • Evaluation of conclusions and methods
Written practical-skills examination: 1 hour 20 minutes, 50 marks.

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