📚 Outline Schemes of Work for AQA A-Level Physics | AQA A-Level物理教学大纲方案
An outline scheme of work for AQA A-Level Physics provides a structured route through the two-year course, mapping topics to assessment objectives and required practicals. This article presents a coherent teaching sequence, key concepts and practical skills that students need to master for the AQA 7408 specification.
AQA A-Level物理的教学大纲方案为两年制课程提供了一条清晰的学习路径，将各个主题与评估目标和必做实验对应起来。本文介绍一个连贯的教学顺序、核心概念以及学生需要掌握的实验技能，以应对 AQA 7408 考试大纲。
1. Course Structure and Assessment Overview | 课程结构与评估概览
The AQA A-Level Physics course consists of nine core topics and one optional topic. Paper 1 covers sections 1 to 5 and periodic motion; Paper 2 covers sections 6 to 8; Paper 3 covers practical skills, data analysis and the chosen option. Each paper contributes one third of the A-level grade.
AQA A-Level物理课程由九个核心专题和一个选修专题组成。试卷一覆盖第1至第5部分以及周期运动；试卷二覆盖第6至第8部分；试卷三考查实验技能、数据分析和所选选修专题。每份试卷占A-level总成绩的三分之一。
The assessment objectives are weighted as follows: AO1 (knowledge and understanding) 30-35%, AO2 (application and analysis) 40-45%, AO3 (evaluation and practical skills) 25-30%. A scheme of work should align lesson time with these weightings.
评估目标的权重如下：AO1（知识与理解）占30-35%，AO2（应用与分析）占40-45%，AO3（评估与实验技能）占25-30%。教学方案应使课时分配与这些权重相匹配。
2. Measurement and Errors | 测量与误差
The first teaching block introduces SI base units, derived units and prefixes. Students learn to express quantities such as force (kg m s⁻²) and energy (kg m² s⁻²) in base units, and to convert between prefixes such as pico, nano, micro and milli.
第一个教学模块介绍国际单位制的基本单位、导出单位以及词头。学生学习用基本单位表示力（kg m s⁻²）和能量（kg m² s⁻²）等物理量，并会在皮可、纳诺、微、毫等词头之间进行换算。
Uncertainty analysis is central to AQA practical work. The absolute uncertainty is often half the smallest scale division, and percentage uncertainty equals absolute uncertainty divided by the measured value multiplied by 100%. Combining uncertainties for sums uses addition of absolute values, while for products and quotients percentage uncertainties are added.
不确定度分析是AQA实验工作的核心。绝对不确定度通常取最小分度值的一半，而百分不确定度等于绝对不确定度除以测量值再乘以100%。对于加减运算，合成不确定度采用绝对不确定度相加；对于乘除运算，则采用百分不确定度相加。
percentage uncertainty = (absolute uncertainty ÷ measured value) × 100%
3. Particles and Radiation | 粒子与辐射
This topic covers the standard model of particle physics. Hadrons, such as protons and neutrons, are made of quarks; leptons, such as electrons and neutrinos, are fundamental. Students must know baryon number, lepton number and strangeness conservation in particle interactions.
本专题涵盖粒子物理标准模型。强子（如质子和中子）由夸克组成；轻子（如电子和中微子）是基本粒子。学生必须掌握粒子相互作用中的重子数、轻子数和奇异数守恒。
and f is frequency. Antiparticles, annihilation and pair production are linked to E = mc².
本专题还介绍电磁波谱和光子模型。光子的能量为 E = hf，其中 h 是普朗克常量，f 是频率。反粒子、湮灭和粒子对的产生都与 E = mc² 相联系。
E = h f E = m c²
4. Waves | 波动
uency and wavelength. Students carry out experiments with a vibrating string or air column to measure wavelength and wave speed.
学习行波和驻波，包括叠加、干涉和衍射。波动方程 v = fλ 将波速、频率和波长联系起来。学生通过弦振动或空气柱实验测量波长和波速。
Refraction, total internal reflection and fibre optics are examined. Snell' stated as n₁ sin θ₁ = n₂ sin θ₂. The critical angle C satisfies sin C = n₂/n₁ for n₁ > n₂.
研究折射、全内反射和光纤。斯涅尔定律写作 n₁ sin θ₁ = n₂ sin θ₂。对于 n₁ > n₂ 的情况，临界角 C 满足 sin C = n₂/n₁。
n₁ sin θ₁ = n₂ sin θ₂ sin C = n₂/n₁
5. Mechanics and Materials | 力学与材料
nd F = ma. Projectile motion is treated as independent horizontal and vertical components.
力学从矢量、力矩和平衡开始。关键方程包括 v = u + at、s = ut + ½at² 和 F = ma。抛体运动按水平与竖直方向独立分解来处理。
red for a wire. Stress-strain graphs distinguish brittle, ductile and polymeric behaviour.
材料部分涵盖应力、应变和杨氏模量。应力 σ = F
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