How to write answers PEE, 6-mark levels of response, graph skills and required practical method writing

SPEC 8463 • EXAM FOUNDATIONS

How to Write Answers

PEE for Explain questions. Levels of Response for 6-markers. Graph reading. Required-practical method writing. The four written-answer techniques that turn knowledge into marks.

Where The Top Grades Are Won

Lessons 0.01 and 0.02 covered exam structure and calculations. This lesson covers everything else you write — and that's where the largest mark-gap between grade-7 and grade-9 students appears. Written answers reward technique as much as knowledge.

~30%

Marks From Extended Writing

15%+

From RP-Related Questions

<25%

Reach Level 3 On 6-Markers

What This Lesson Gives You

Four discrete techniques: PEE for "explain" questions, Levels of Response structure for 6-markers, graph-reading conventions, and a required-practical method-writing template. Apply each to the right question type.

Key Definitions

Mark schemes credit specific terminology. These seven terms appear in mark schemes and examiner reports — learn the exact phrasing.

Levels of Response

Marking style for 6-mark questions: L1 (1–2 marks) simple statements; L2 (3–4) linked reasoning; L3 (5–6) sustained, coherent answer using scientific terminology throughout.

Line of Best Fit

A line drawn through plotted points showing the underlying trend. Can be straight OR curved — don't force a straight line through clearly curved data.

Anomaly

A data point that does not fit the pattern of the others. Ignored when drawing the line of best fit and when calculating the mean.

Resolution

The smallest change a measuring instrument can detect (e.g. a ruler with mm divisions has resolution 1 mm; a stopwatch reading to 0.01 s has resolution 0.01 s).

Three Statistical Terms

Range = max − min (the spread of repeat readings)

Mean = sum ÷ count (the average of repeats; calculate AFTER discarding anomalies)

Uncertainty ≈ range ÷ 2 (typical GCSE convention for repeat measurements)

Command Words — Read The Question First

Every AQA question opens with a command word that tells you exactly what kind of answer earns marks. Mark schemes are built around these words. Reading "Suggest" the same way you read "Explain" loses marks across both papers.

Command WordWhat it requires

State / Give / NameA single fact. No explanation needed.

DescribeWhat happens — facts or steps. No "why" . (Point + Evidence only — no Explain step needed.)

ExplainThe mechanism — use " because " and " so ". This is where PEE applies in full.

CompareSimilarities AND differences — both required. Use comparative language ("greater than", "X times more").

CalculateEquation → substitution → answer with unit. ESUA framework (lesson 0.02).

DetermineLike Calculate, but you read a value off a graph or table first.

Show thatPerform the calculation; don't just write down the stated value . The mark scheme requires the working.

SuggestApply Physics to an unfamiliar context — reason from principles. Generic Physics rules without referencing the question's scenario lose marks.

EvaluatePros AND cons + a justified conclusion at the end.

PredictSay what would happen and (usually) why.

Plot / SketchPlot = points + line of best fit. Sketch = approximate shape with key features labelled.

"Use the data to..."The answer must explicitly reference the supplied numbers, graph, or table . Repeating the question's stem scores zero.

The Habit

Before writing anything, circle the command word in the question. Match your answer structure to it: "State" gets one fact; "Describe" gets the steps; "Explain" gets PEE; "Compare" gets similarities + differences; "Suggest" applies Physics to the specific scenario. Reading the command word right is half the mark.

The PEE Framework — For "Explain" Questions

"Explain" questions reward mechanism, not just description. PEE is the answer-side structure that mirrors the mark scheme exactly.

1 mark

Point

A clear physics statement — name the property or quantity.

1 mark

Evidence

A specific example, equation, or observation.

1–2 marks

Explain

The mechanism — use the word "because".

"Because" Is The Magic Word

The word "because" is what turns a description into an explanation. Mark schemes consistently reward "...because [mechanism]..." and "...so [consequence]..." phrasing. Description alone scores P + E only — usually 2 out of 4. The Explain step is where the back-half marks live.

Mark Allocation

A 4-mark "Explain" question typically maps to P (1) + E (1) + Explain (2). The Explain step is double-weighted — it's where mechanism reasoning earns the most marks.

PEE — Worked Example

A classic GCSE Physics "explain" question. Three sentences. Three marks. Notice how each sentence does specific mark-scheme work.

Q: Explain why a duvet keeps you warm in winter.3 marks

PEE In Action

PPoint: A duvet has a low thermal conductivity.EEvidence: It is filled with feathers or fibres that trap pockets of air, and air is a poor thermal conductor.EExplain:Because the rate of energy transfer by conduction depends on thermal conductivity, less thermal energy transfers from your body to the surroundings, so you stay warm.

Notice The Named Items

The strong answer names thermal conductivity (the property), conduction (the mechanism), and energy transfer (the outcome). Mark schemes reward this kind of precision — generic words like "heat" or "warmth" lose marks because they don't identify the physics.

PEE Weak vs Strong

Same 3-mark question, two answers. The difference between them isn't knowledge — it's structure.

Q: Explain why a duvet keeps you warm in winter. 3 marks

✗ ~0–1 / 3 marks

"A duvet keeps you warm because it's warm and it stops the cold air getting in."

Circular reasoning ("warm because warm"). No physics property named. No mechanism. The "cold air" half is a misconception — cold isn't a substance that "gets in", it's the absence of energy.

✓ 3 / 3 marks

"A duvet has a low thermal conductivity. It traps pockets of air between feathers, and air is a poor thermal conductor. Because conduction is slow, less thermal energy transfers from your body to the surroundings, so you stay warm."

Property named (thermal conductivity). Mechanism stated (conduction). "Because" + "so" link cause to effect. Three marks earned.

The Misconception Trap

"Cold gets in" / "heat escapes" / "it traps the warmth" are all phrasings examiners flag year after year. Cold isn't a substance — it's the absence of thermal energy. Always describe energy transfer FROM hot TO cold, never "cold getting in".

Compare Questions — Similarities AND Differences

"Compare" has a specific AQA rule: you must give similarities AND differences — both required. Where data is given, comparisons should be quantitative — using ratio language when values differ substantially, not just subtraction.

The Two-Part Compare Rule

State at least one similarity AND one difference. A 4-mark Compare question is typically split 2 marks for similarities + 2 marks for differences. Giving only differences (or only similarities) loses half the marks.

If data is given, compare quantitatively. Use comparative language: "greater than", "smaller than", "X times more". When values differ substantially, a ratio is more meaningful than subtraction.

Worked context: Method A stores 4800 J of energy. Method B stores 60 J. Compare the energy stored.

✗ Misses the mark

"Method A stores more energy than Method B."

"The difference is 4740 J."

Vague comparison or unhelpful subtraction. When values differ substantially, mark schemes look for ratio reasoning.

✓ Earns the mark

Method A stores 80 times more energy than Method B (4800 ÷ 60 = 80).

Ratio calculated. Comparative language used. Multiplier given explicitly with the supporting calculation.

Divide First, Then Decide

When the question gives two numerical values to compare: always calculate the ratio first. If the multiplier is large (e.g. 10×, 80×), quote it — that's what the mark scheme rewards. If values are similar (e.g. 12 vs 15), subtraction may be more meaningful — "3 J more". Both forms count as comparison; the choice depends on the numbers.

Phrases Mark Schemes Reward Or Reject

Multi-year examiner reports identify the same patterns again and again. Use the language on the left; avoid the language on the right.

✓ Rewarded✗ Rejected

" ...because [mechanism]""It is the same / different" (no how)

" ...so [consequence]""loses energy" / "saves energy" (no mechanism)

"This means that [specific outcome]""is more efficient" (without why)

Specific physics quantities and values: "thermal conductivity is lower""easier to use / read / more accurate" (without explaining which property changed)

Comparative ratios: "X times greater than...""worn / damaged / better" (without naming the property)

Specific quantities: "transferred to the thermal store"Generic words: "got hot" / "warmer"

The Pattern

The rewarded phrases all name the physics — a property, a quantity, a mechanism. The rejected phrases all describe an effect without the cause. Translating one into the other is most of what makes a Level-3 answer.

Levels Of Response — How To Plan A 6-Marker

Six-mark questions are marked using Levels of Response. The examiner reads the whole answer, then matches it to a band — there's no per-point checklist. Knowing the structure of each level lets you write directly toward Level 3.

LevelMarksWhat it looks like

L11–2Simple statements; little linking; some scientific vocabulary.

L23–4Linked reasoning; scientific terminology; partially complete answer.

L35–6Sustained logical reasoning ; scientific terminology throughout; comprehensive coverage of the question.

The Three-Step Plan (Use This Every Time)

Before you write — identify 3–4 key points the question is asking for. Jot them on the side of the page.

One sentence (or one well-built bullet) per point. Each one names the physics quantity, the mechanism, and the outcome.

Use precise terminology. "Dissipated" not "lost". "Transferred to the thermal store" not "got hot". "Because" / "so that" linking every cause-effect.

Bullets Are OK

AQA explicitly allows bullet points for 6-markers — but the bullets must form a sustained line of reasoning. Disconnected bullets each making one point land at Level 1. Bullets that link cause to effect with "because" land at Level 3.

Examiner Alert — Level 3 Is Rare

You don't need to take it on faith — examiner reports publish exact percentages. Reaching Level 3 is what separates grade-9 candidates from the rest.

Real Level 3 Performance — Recent 6-Markers

Jun 2024 Paper 2 — RP9 refraction method (6 marks): only 16% of candidates reached Level 3

Jun 2023 Paper 1 — particle changes of state (6 marks): only 9% reached Level 3

Jun 2023 Paper 1 — RP4 I-V method (6 marks): only 14% reached Level 3

What Pushes An Answer To Level 3

Comparing examiner reports across years, three features distinguish Level 3 answers from Level 2:

Comprehensive coverage — addresses every part of the question, not just the easy bit

Sustained linking — every claim followed by "because" or "so that"

Precise terminology throughout — not just at the start

Graph Skills — Gradient And Area

Two facts that unlock most graph questions on Paper 2: the gradient tells you a rate; the area under tells you a total.

Worked Calculation

Car accelerates 0 → 20 m/s over 10 s.

Gradient (acceleration): Δv/Δt = 20 / 10 = 2.0 m/s²

Area under (distance): ½ × base × height = ½ × 10 × 20 = 100 m

Reading Graphs — The Mark-Scheme Conventions

How AQA expects graphs to be drawn AND described. These conventions appear in mark schemes verbatim.

Drawing The Line Of Best Fit

Straight or curved — match the trend of the data, don't force a straight line through curved data

Through the body of the points — roughly equal numbers of points above and below

Anomalies are ignored — circle the anomalous point, then draw the line through the remaining trend

Don't connect dots — a line of best fit is a smooth curve, not a zig-zag

Describing A Graph In Words

Refer to the graph directly, with values. Instead of "the line goes up", write:

"Between 0 s and 5 s, velocity increases from 0 to 12 m/s."

Quote at least one specific value or feature — examiner reports consistently flag answers that say "increases" or "decreases" without supporting numbers from the axes.

Plotting Graphs (RP Questions)

When the question gives you data to plot, the mark scheme typically awards:

Sensible scale — the data should fill at least half the available grid in both axes

Both axes labelled with quantity AND unit (e.g. "current / A")

All points plotted accurately (typically within ½ a small square)

Line of best fit drawn — straight or smooth curve to match the trend

Repeat Measurements — The Discipline

For repeat data: identify anomalies before calculating the mean. Mean of concordant results only. Uncertainty ≈ range ÷ 2. Resolution = the smallest interval the instrument can detect.

RP Method-Writing Template

Six-mark required-practical method-writing questions appear on at least one paper most years. Top-band answers always include the same six elements — write to the template every time.

The Six Elements

Independent variable (IV) — what you deliberately change (e.g. "the length of the wire").

Dependent variable (DV) — what you measure, AND what instrument you use (e.g. "current measured with an ammeter").

3+ control variables — each with a "so that..." reason. Naming alone scores half marks; reasons earn the rest.

Method as numbered steps — clear, sequential, complete. Start with apparatus assembly; finish with how the data is recorded.

Range and interval of IV values — at least 5 values spanning a sensible range, evenly spaced (e.g. "5 lengths from 10 cm to 50 cm at 10 cm intervals").

Repeats and anomaly handling — at least 3 repeats; identify anomalies; mean of concordant results.

The "Datum Line" Habit

Many RP methods benefit from a starting reference value (the "datum") — e.g. measuring extension from the spring's natural length, or temperature change from room temperature. Stating the datum explicitly shows you understand what's being measured AGAINST what.

Examiner Alert — Reasons Are Where Marks Live

The single most consistent pattern across required-practical method-writing questions in recent years.

Across virtually every required-practical method-writing question in recent years, students who listed control variables without giving reasons scored about half the marks of those who included reasons. The mark scheme requires reasons, every time. — pattern reported across multiple AQA examiner reports

The "So That…" Test

For every control variable you name, finish the sentence with "so that…" and the reason. If the sentence stops short, the mark scheme stops short with it.

✗ Half marks

"Keep the volume of acid the same."

Variable named. No reason. No mark.

✓ Full marks

"Keep the volume of acid the same so that the rate of reaction depends only on the concentration, not on the amount of acid available."

Variable named + reason given. Mark earned.

RP Method — Weak vs Strong

Same RP context (resistance of a wire, RP3). Two student answers showing the difference between a Level 1 method and a Level 3 method.

Describe a method to investigate how the length of a wire affects its resistance. part of a 6-marker

✗ Level 1

"Set up a circuit. Change the length of wire. Measure the current and voltage. Calculate the resistance. Repeat the experiment."

No range. No interval. No instruments named. No control variables. No reasons.

✓ Level 3

"Connect a length of wire to a circuit with an ammeter and voltmeter. Measure I and V at 5 lengths from 10 cm to 50 cm at 10 cm intervals. Keep the current low and the wire at room temperature so that resistance does not change due to heating. Repeat 3 times at each length and take the mean of concordant results. Calculate R = V/I for each length."

Range, interval, instruments, control with reason, repeats, mean — all six elements.

The Pattern

Strong RP methods read like a recipe: numbered, specific, repeatable by another student from the description alone. Weak RP methods read like a summary: vague verbs ("measure", "test"), no quantities, no reasons. Always write the recipe.

Practice Question

A student touches a metal table and a wooden table, both at room temperature.

The metal table feels colder than the wooden table.

Explain why the metal table feels colder.3 marks

P

Point: Metal has a higher thermal conductivity than wood. Names the property — earns the first mark.

E

Evidence: The student's hand is at a higher temperature (~37 °C) than the table (room temperature, ~20 °C), so thermal energy is conducted from the hand to the table. States the temperature difference and the direction of energy transfer — earns the second mark.

E

Explain:Because metal has a higher thermal conductivity, energy is transferred from the hand to the metal at a faster rate than to the wood, so the hand cools more rapidly against the metal. The metal therefore feels colder, even though both tables are at the same temperature. Mechanism + "so" linking cause to effect — earns the third mark.

⚠️

The misconception this exposes: students often write "the metal IS colder" — but both tables are at room temperature. The feeling of cold comes from the rate at which energy leaves your hand, not from the temperature of the surface itself.

Common Errors — Quick Recap

Patterns examiner reports flag year after year across every topic.

✗ Common Error✓ What To Write Instead

Stopping at description ("the line goes up")Add the mechanism with " because " + named property

"Cold gets in" / "heat escapes"Energy is transferred FROM hot TO cold (cold isn't a substance)

"It's the same / different" with no howCompare quantities directly: "X is greater than Y by..."

Subtraction for compare questions when ratio is more meaningfulUse a ratio: "X times more than Y" where the multiplier is large

"Increases" / "decreases" without numbersQuote a specific value from the graph (e.g. "from 0 to 12 m/s between 0 and 5 s")

Forcing a straight line through curved dataCurves are allowed — match the line to the actual trend

Calculating mean before discarding anomaliesIdentify anomaly → discard → calculate mean

"Keep the volume the same" (no reason)"Keep the volume the same so that [reason]"

Vague RP methods — no range, intervals, repeatsRecipe-style method: range + interval + instruments + repeats + mean

Summary

The Four Written-Answer Techniques

PEE for "explain" questions — Point + Evidence + Explain (with "because")

Levels of Response for 6-markers — plan 3–4 key points first, then sustained reasoning

Graph skills — gradient = rate of change, area under = total; quote values from the graph

RP method writing — IV + DV (with instrument) + 3 controls (with reasons) + range + repeats

Mark-Scheme Language

Use "because" and "so that" to link cause to effect

Name specific physics properties (thermal conductivity, not "warmth")

For "compare" — divide before subtracting; ratios beat differences when values differ by 10× or more

Quote specific values when describing graphs

The Three Habits That Win Top Bands

Plan 6-markers before writing — 3–4 key points jotted on the side

Every control variable gets a "so that…" reason

Every "explain" answer ends with mechanism + "because" , not description

Checkpoint — You Can Now

Structure a PEE answer with named property + mechanism + "because"

Plan a 6-mark Levels-of-Response answer to land at L3

Read gradients and areas off graphs and describe trends with quoted values

Write a complete RP method with the six required elements

Apply the right framework to every question type — calculation (ESUA), explain (PEE), 6-marker (LoR), graph, or RP method