📚 Year 11 Edexcel Physics: Complete Syllabus Breakdown | Year 11 Edexcel 物理：课程大纲全面解析
Welcome to this complete breakdown of the Year 11 Edexcel Physics syllabus. Whether you are studying the Pearson Edexcel International GCSE (9-1) Physics or the GCSE Physics course, this guide maps out every major topic you will meet in your final year and acts as a full revision map. We will work through forces, electricity, waves, energy, matter, magnetism, radioactivity and the optional astrophysics content, and we will also look at the assessment rules, the mathematical skills and the revision strategy that turn a syllabus list into a working exam plan. Each section is written in both English and Chinese to support bilingual learners.
欢迎阅读这份 Year 11 Edexcel 物理课程大纲全面解析。无论你学习的是 Pearson Edexcel 国际 GCSE (9-1) 物理，还是 GCSE 物理课程，本指南都会梳理你在最后一年会遇到的所有主要话题，并可当作一份完整的复习路线图。我们将依次探讨力、电学、波、能量、物质、磁学、放射性和选修的天体物理内容，同时也会讲解考试规则、数学技能与复习策略，把一份大纲清单变成一份可执行的备考计划。每个小节均以中英双语撰写，以帮助双语学习者。
1. Course Overview | 课程概览
The Year 11 Edexcel Physics course is the second and final year of a two-year programme. It builds directly on the foundations laid in Year 10, where you met the basic ideas of forces, energy transfer, wave behaviour and simple series and parallel circuits. In Year 11 the same ideas return at a higher level: equations become quantitative, graphs become more demanding, and questions increasingly ask you to apply familiar physics to unfamiliar contexts.
Year 11 Edexcel 物理课程是两年制课程的第二年，也是最后一年。它直接建立在 Year 10 的基础之上——在 Year 10 里你已经接触了力、能量传递、波的传播行为以及简单的串联和并联电路。到了 Year 11，这些内容会以更高层次重现：公式开始定量计算，图像题难度提升，题目越来越多地要求你把熟悉的物理原理应用到陌生情境中。
Two specifications are usually meant by 'Edexcel Physics' at this level: Pearson Edexcel GCSE Physics (1PH0) and Pearson Edexcel International GCSE Physics (4PH1). Both are graded on the 9-1 scale, both are assessed by examination only, and both share almost the same topic list. The main differences are the paper timings, the tiering arrangements and the wording of the mark schemes, so always confirm which specification your school actually enters you for.
在这个阶段，'Edexcel 物理'通常指两份大纲：Pearson Edexcel GCSE 物理（1PH0）和 Pearson Edexcel 国际 GCSE 物理（4PH1）。两者都采用 9-1 评分制，都以考试作为唯一评估方式，话题清单也几乎相同。主要差别在于试卷时长、分层安排以及评分标准的措辞，因此一定要确认学校为你报考的具体是哪一份大纲。
Assessment is by two written papers, each lasting 1 hour and 45 minutes on the GCSE specification, with a comparable overall time allocation on the International GCSE. The papers cover both core and advanced topics, with a strong emphasis on applying knowledge to unfamiliar contexts, on mathematical skills and on practical investigations. The final grade is based on these exams alone: there is no coursework, but practical skills are tested through questions built around experimental scenarios.
评估方式为两份笔试，在 GCSE 大纲下每份试卷时长 1 小时 45 分钟，国际 GCSE 的总时长安排类似。试卷涵盖核心与进阶主题，并高度重视把知识应用于陌生情境、数学技能以及实验探究能力。最终成绩完全来自这两份试卷：没有课程作业，但实验技能会通过以实验情境为背景的题目来考查。
2. Assessment Structure and Papers | 考试结构与试卷
Understanding the shape of the exam is as important as understanding the physics. Both papers carry equal weight, both contain a mixture of multiple-choice, short structured and extended writing questions, and both include calculation questions that require you to recall or select an equation, substitute values and give the answer with the correct unit and significant figures.
理解考试的结构和理解物理本身同样重要。两份试卷分值相同，都包含选择题、短结构题和长论述题，也都包含计算题——你需要回忆或选择公式、代入数值，并给出带正确单位和有效数字的答案。
| Paper | Content focus | Length | Weighting |
| Paper 1 | Forces, energy, waves and the related key concepts | 1 h 45 min | 50% |
| Paper 2 | Electricity, magnetism, radioactivity, particle model and forces on matter | 1 h 45 min | 50% |
On the GCSE route you may be entered for Foundation tier, where grades 1 to 5 are available, or Higher tier, where grades 4 to 9 are available. The content is the same, but Higher tier papers contain more multi-step calculations and more questions that require you to link two topics together in one answer.
在 GCSE 路径下，你可能被安排参加 Foundation 层（可得 1 至 5 分）或 Higher 层（可得 4 至 9 分）。内容本身相同，但 Higher 层的试卷会包含更多多步骤计算题，以及更多要求你在一个答案中把两个话题联系起来的题目。
. This is a common trap: candidates waste revision time memorising given equations and then lose marks on equations they must recall, such as v = f × λ or V = I × R.
两份试卷都允许并期待你使用计算器和直尺，考试还会提供一份公式表，列出你不必背诵的公式。这里有个常见陷阱：考生把复习时间浪费在背诵公式表上已有的公式，结果在必须记住的公式上丢分，例如 v = f × λ 或 V = I × R。
3. Forces and Motion | 力与运动
Forces and motion is the largest single topic in the specification and the one that carries the most calculations. You need to separate scalars, which have magnitude only, from vectors, which have both magnitude and direction. Speed, distance, mass and energy are scalars; velocity, acceleration, force, momentum and weight are vectors, and direction errors in an answer are a very common source of lost marks.
力与运动是整份大纲中占比最大的话题，也是计算量最大的话题。你需要区分只有大小的标量与既有大小又有方向的矢量。速率、距离、质量和能量是标量；速度、加速度、力、动量和重力是矢量，而答案中方向写错是失分的常见原因。
The core relationships are simple but must be used precisely. Average speed is distance divided by time, and acceleration is the change in velocity divided by the time taken:
平均速率等于路程除以时间，加速度等于速度变化量除以所用时间：
v = s ÷ t a = Δv ÷ t
On a distance-time graph the gradient gives speed, and a horizontal line means the object is stationary. On a velocity-time graph the gradient gives acceleration and the area under the line gives the distance travelled, so a question that looks like graph reading is often a calculation in disguise.
在距离—时间图像中，斜率表示速率，水平直线表示物体静止。在速度—时间图像中，斜率表示加速度，图线下的面积表示所走的距离，所以一道看起来只是读图的题，往往隐藏着计算。
Newton's laws organise everything else. A resultant force changes velocity; force equals mass times acceleration; and for every action there is an equal and opposite reaction acting on a different object. Mass is the amount of matter in kilograms, while weight is a force in newtons and depends on gravitational field strength:
牛顿运动定律把其余内容组织起来：合力会改变速度；力等于质量乘以加速度；每一个作用力都有一个大小相等、方向相反且作用在不同物体上的反作用力。质量是物体所含物质的量，单位是千克；而重力是一种力，单位是牛顿，取决于重力场强度：
F = m × a W = m × g (g ≈ 9.8 N/kg on Earth)
Stopping distance is thinking distance plus braking distance, and both parts change with speed, reaction time, road conditions, tyre and brake condition, and mass. Terminal velocity occurs when the upward drag force equals the downward weight, so the resultant force is zero and acceleration is zero even though the object is still moving.
停车距离等于思考距离加制动距离，两部分都会随速率、反应时间、路况、轮胎与刹车状况以及质量而变化。当向上的阻力等于向下的重力时，物体达到终末速度：合力为零，加速度为零，尽管物体仍在运动。
Momentum, moments and pressure complete the topic. Momentum is conserved in collisions and explosions; the moment of a force is force times perpendicular distance; pressure is force divided by area; and pressure in a liquid increases with depth and density. Hooke's law applies to a spring up to its limit of proportionality.
动量、力矩和压强补全了这个话题。碰撞和爆炸中动量守恒；力矩等于力乘以垂直距离；压强等于力除以面积；液体内部压强随深度和密度增大而增大。胡克定律适用于未超过比例极限的弹簧。
p = m × v
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