← All blog articles The MA99 Blog · November 2026

How should my child study for HSC Physics in Year 12?

Strong maths students often expect Physics to be their safest science, then lose marks on explanation. What the 2027 paper rewards and how to prepare for all of it.

Physics attracts students who are good at mathematics, and many of them expect it to be their most reliable mark. Often it is. But the HSC Physics paper is not a calculation test with some words attached. A large share of the marks go to explaining models, evaluating evidence and describing experiments, and a student who can solve every projectile problem can still lose a band on the questions that ask why. This article sets out what the 2027 paper asks for and how to prepare for both halves of the course.

Where the 100 marks sit in the HSC Physics paper
Section I: objective response20 marksmultiple choice
Section II: written and calculation responses80 marks20 to 25 items, at least two worth 7 to 9 marks

NESA examination specifications for the Physics Stage 6 Syllabus (2017). 3 hours plus 5 minutes reading time. A data sheet, formulae sheet and Periodic Table are provided.

Modules 5 to 8 ( Advanced Mechanics, Electromagnetism, The Nature of Light, and From the Universe to the Atom ) carry roughly equal weight, and Working Scientifically questions run through the whole paper. The last two modules are where many strong mathematicians are caught out. They are full of models and the evidence for them: how ideas about light changed, what experiments showed about the atom. The marks there go to a clear account of what was observed, what it showed and why it mattered, in that order.

2027 is a changeover year for Physics, as it is for Biology. NESA's new Physics 11 to 12 syllabus is taught from 2027 and first examined in the 2028 HSC. Students in Year 12 in 2027 sit the last HSC on the 2017 syllabus, so recent HSC papers and their marking guidelines are directly relevant practice. Students starting Year 11 in 2027 are on the new syllabus, and older siblings' notes will not match it.

Two kinds of marks in HSC Physics
Calculation questions
Explanation questions
What earns the marks
The right relationship from the formulae sheet, substitution shown, units and a sensible answer
A clear chain: what was observed, what it shows, and how it supports or changes a model
How marks are usually lost
Skipped working, unit and direction errors, rounding too early
Correct facts in the wrong order, or a description where an evaluation was asked for
What practice looks like
Short daily sets of one problem type
Timed written answers marked against a marking guideline

The marking guidelines published with each HSC paper show how the marks for each question were allocated.

A weekly routine for Year 12 Physics
  1. 1Drill one problem type a dayTen to fifteen minutes on one type, for example circular motion or motor effect questions, with full working every time.
  2. 2Use the formulae sheet from day oneEvery practice question done with the sheet the examination provides, so finding the right relationship is automatic.
  3. 3Write one explanation a dayA short written answer on a model or an experiment, checked for the order of the reasoning, not only the facts.
  4. 4Practise the experiment questionsEach module has investigations that can be examined. Know the method, the variables and how the data supports the conclusion.
  5. 5Sit full papers in one goFrom Term 3, papers in 3 hours and 5 minutes, marked against the marking guidelines before reading the solutions.
Check your understanding

Your child scores full marks on most Physics calculations but loses marks on 5 to 9 mark questions about light and the atom. What should change in their practice?

See the HSC Physics notes and free sample pages.

Edward MaDirector, MA99 Education

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