CCEA GCSE Physics Higher Tier across four papers: why analysing experimental data outweighs every single topic in our analysis, the SUVAT sign error that wrecks whole questions, and the unit conversions and graph habits that cost marks every series.
閱讀時間 4 分鐘更新於: 2026年9月3日
試卷概覽
卷數
4
總分
300
考試時間
6小時 15分鐘
題型
12
試卷
時間
分數
題數
比重
題型
Unit 1: Theory, Higher Tier
1小時 30分鐘
100
14
33%
Calculations and multi-step SUVAT, Extended response (QWC), Short answer and formula application
Unit 2: Theory, Higher Tier
1小時 30分鐘
100
16
33%
Calculations (circuits, transformers, power), Ray diagrams and optical wave descriptions, Extended response (QWC), Descriptive recall and classifications
Unit 3: Practical Booklet A
2小時
30
6
10%
Direct measurement and tabulation, Graph construction, Data analysis and gradient derivation
Unit 3: Practical Booklet B
1小時 15分鐘
70
11
23%
Graph construction and interpretation, Experimental apparatus and variables, Practical calculations and averages
評級
A*ABC*CDEFGU
計算機規定
A scientific calculator capable of standard index form is expected for this subject; the specification's mathematics requirements specifically mention entering numbers in standard form on a scientific calculator. The general JCQ and CCEA rule applies: the calculator must have no lid or case with printed instructions or formulae, must not offer symbolic algebra manipulation or a connection to another device, and must not have any retrievable information stored in it, including saved formulae, notes or programs. Clear the memory before the exam and use exam mode if your calculator has one.
AO1: AO1: demonstrate knowledge and understanding of scientific ideas, and scientific techniques and procedures. (40%)
AO2: AO2: apply knowledge and understanding of and develop skills in scientific ideas, and scientific enquiry, techniques and procedures. (40%)
AO3: AO3: analyse scientific information and ideas to interpret and evaluate, make judgements and draw conclusions, and develop and improve experimental procedures. (20%)
用途: Calculate a SUVAT equation's right-hand side, such as u squared plus 2as, in one pass before taking the square root, without copying an intermediate result down wrong.
使用時機: For motion questions using a SUVAT equation that involves a square or square root, such as finding v from u, a and s.
步驟
Write the formula first, then use the calculator's power and square root keys directly on the substituted values, for example computing \( u^2 + 2as \) as one running calculation before taking the square root for v. Keying the whole right-hand side in one pass avoids copying an intermediate result down wrong.
考試提示: This is a live calculation performed during the exam on the numbers given in that question. CCEA and JCQ rules do not allow any formula, note or program to be stored in the calculator beforehand. Clear the memory before the exam and use exam mode if your calculator has one.
Standard form entry for very large or small numbers
用途: Enter a very large or very small value, such as a wavelength or an astronomical distance, correctly without writing out all the zeros by hand.
使用時機: For calculations involving very large or very small quantities, such as wavelengths or astronomical distances.
步驟
Use the calculator's standard form or EXP key to enter values like wavelengths or astronomical distances directly in the form given, rather than writing out all the zeros by hand, which is where copying errors creep in.
考試提示: This is a live entry technique for numbers printed in the exam paper. No values, formulae or programs may already be stored in the calculator when the exam begins.
Memory key for multi-step circuit calculations
用途: Carry a calculated value, such as total resistance, from one step of a circuit question into the next without writing it down and retyping it.
使用時機: For two-step circuit questions, such as finding total resistance before using it to find power.
步驟
In a two-step circuit question, such as finding total resistance before using it to find power, calculate the first result, store it with the M+ key, then recall it with MR for the second calculation instead of writing it down and retyping it.
考試提示: The memory key is used here only to carry a value calculated live during the exam from one step to the next. Storing a formula, circuit rule or program in the calculator's memory in advance is not permitted.
常見錯誤
1high涉及分數: 3Motion
Confusing initial velocity u and final velocity v in a deceleration question, leading to a sign error when rearranging a SUVAT equation such as \( v^2 = u^2 + 2as \).
如何避免: Write down which given value is u and which is v before touching the equation, and treat deceleration as a negative acceleration rather than swapping which letter stands for which quantity.
2medium涉及分數: 2Waves
Forgetting to halve the total time, or double the one-way distance, in a pulse-echo or sonar reflection calculation, treating the round-trip time as if it were one-way.
如何避免: Before using \( \text{speed} = \frac{\text{distance}}{\text{time}} \), check whether the given time covers the sound's full trip out and back. If it does, halve the time or the distance before substituting.
3high涉及分數: 2Electricity
Substituting a value into a standard formula without converting its unit first, for example leaving a distance in centimetres, a time in hours, or a current in milliamps.
如何避免: Convert every value to standard SI units on its own line before you begin the calculation, and treat that conversion as a formal part of your written working.
4high涉及分數: 3Analysing experimental data
Drawing a straight best-fit line through data that is not actually proportional, such as a filament lamp's current-voltage graph or a Snell's law angle plot.
如何避免: Decide whether the underlying physics predicts a straight line through the origin before you draw one. If the relationship is not proportional, draw a single smooth curve instead.
5medium涉及分數: 2Force
Measuring distance from the edge of the ruler rather than the perpendicular distance from the pivot when answering a moments question.
如何避免: Measure from the marked pivot point to where the force acts, along the line at right angles to the force, not from wherever the ruler's zero happens to be.
6medium涉及分數: 1Light
Leaving out the direction arrow on virtual construction rays in plane mirror or lens ray diagrams.
如何避免: Give every ray an arrowhead showing its direction, including virtual rays, which should be drawn dashed but still carry an arrow.
7medium涉及分數: 2Magnetism and electromagnetism
Believing a transformer can operate on direct current, rather than recognising that a transformer needs the constantly changing magnetic field that only alternating current produces.
如何避免: Learn the reason behind the rule: a transformer works by electromagnetic induction, which needs a magnetic field that keeps changing, so only a.c. supplies that.
8medium涉及分數: 2Electricity
Stating that the earth wire carries current continuously during normal operation, rather than describing it as a low-resistance safety path that only carries current during a fault.
如何避免: Describe the earth wire as carrying no current in normal use. It exists purely as a low-resistance route that activates during a fault, to blow the fuse and cut the circuit off.