HSC Exam Glossary — Key Terms

HSC (Higher School Certificate): The qualification earned by students in New South Wales, Australia, upon completing secondary school.

NESA (NSW Education Standards Authority): The body that sets the HSC curriculum, administers exams, and awards results.

ATAR (Australian Tertiary Admission Rank): A rank from 0 to 99.95 determining university eligibility.

Year 12: The final year of secondary school when HSC examinations are taken.

Preliminary Course: The first half of a HSC subject, studied in Year 11.

HSC Course: The second half of a HSC subject, studied and examined in Year 12.

Units: Each subject is worth 2 units. The ATAR is calculated from the best 10 units (including compulsory English).

Category A Subjects: Subjects that count towards the ATAR calculation.

Category B Subjects: Subjects that do not count towards the ATAR (e.g., some vocational courses).

School-Assessed Component (SAC): Assessment tasks completed at school, contributing to the HSC mark.

Preliminary Results: Year 11 results that do not count towards the ATAR but are reported on the Record of Achievement.

General Mathematics: Covers financial mathematics, measurement, statistical investigation, and algebraic modelling.

Mathematics Standard 2: Covers algebra, measurement, financial modelling, and statistics.

Mathematics Advanced: Covers functions, calculus, financial modelling, and statistics.

Mathematics Extension 1: Covers combinatorics, polynomial functions, trigonometric functions, and calculus. Taken alongside Advanced.

Mathematics Extension 2: Covers complex numbers, vectors, proof, mechanics, and harder calculus. The most challenging HSC maths course.

Scaling: Adjustment of HSC marks based on subject difficulty to ensure fairness across different subjects.

Scaled Marks: The marks adjusted by NESA to account for differences in subject difficulty when calculating the ATAR.

Raw Mark: The mark a student receives before scaling is applied.

Internal Assessment: School-based assessment contributing to the HSC mark, typically 50% of the final mark.

External Examination: The final exam set and marked by NESA, typically contributing 50% of the final mark.

Mechanics: Motion, forces, energy, momentum, and circular motion.

Electricity and Magnetism: Electric fields, magnetic fields, electromagnetic induction, and generators.

Waves and Light: Mechanical waves, electromagnetic spectrum, reflection, refraction, diffraction, and interference.

The Universe: Stellar evolution, cosmology, and the expansion of the universe.

The Motor Effect: Force on a current-carrying conductor in a magnetic field.

Electromagnetic Induction: Faraday’s law and Lenz’s law — generating EMF from changing magnetic fields.

Circular Motion: Objects moving in circles under centripetal force.

Projectile Motion: Motion under gravity with both horizontal and vertical components.

Conservation of Energy: Energy cannot be created or destroyed, only transformed.

Conservation of Momentum: Total momentum in a closed system remains constant.

Thermodynamics: Heat, work, and internal energy in physical systems.

Newton’s Laws: Three laws describing the relationship between forces and motion.

Work-Energy Theorem: The net work done on an object equals its change in kinetic energy.

Power: The rate at which work is done or energy is transferred.

Electromagnetic Spectrum: The range of all electromagnetic radiation from radio waves to gamma rays.

Snell’s Law: Relates angles of incidence and refraction: n₁sinθ₁ = n₂sinθ₂.

Diffraction: The bending of waves around obstacles or through openings.

Interference: The superposition of waves producing regions of constructive and destructive interference.

Photoelectric Effect: Electrons emitted from a surface when light of sufficient frequency shines on it.

Atomic Models: Quantum mechanical models of atomic structure.

Nuclear Physics: Radioactive decay, half-life, and nuclear reactions.

Quantum Mechanics: The physics of the very small, describing particles as wavefunctions.

HSC Examination: The final examination set and marked by NESA.

Examination Mark: The mark received on the written examination.

Assessment Mark: The mark received from school-assessed work.

Alignment: NESA’s process of adjusting school assessment marks to match exam difficulty.

Final HSC Mark: The combination of examination mark and assessment mark.

Performance Band: The grade awarded based on the final HSC mark (Band 6: 90+, Band 5: 80–89, etc.).

Band 6: Marks 90–100, the highest performance band.

Band 5: Marks 80–89, indicating strong performance.

Band 4: Marks 70–79, indicating competent performance.

Band 3: Marks 60–69, indicating adequate performance.

Band 2: Marks 50–59, indicating limited performance.

Band 1: Marks below 50, indicating very limited performance.

In-depth Investigation: A major research project in Physics, contributing to the HSC mark.

Marking Criteria: The standards NESA uses to assess responses.

UAC (Universities Admissions Centre): Processes university applications for NSW and ACT institutions.

ATAR-Based Admission: Admission primarily determined by ATAR score.

Bonus Points: Additional points added to ATAR for achieving in certain subjects or circumstances.

Early Offer: University offers made before ATAR results are released.

Guaranteed ATAR: The ATAR at which a university guarantees a place in a specific course.

Selection Rank: ATAR plus any bonus points, used for university offers.

Preference: The order in which you list university courses in your UAC application.

Adjustment Factors: Points added to ATAR based on location, disadvantage, or subject performance.

Portfolio Entry: University admission based on a portfolio of work rather than ATAR alone.

Interview: Some courses (medicine, arts) require interviews as part of the selection process.

Direct Entry: Admission to university based on criteria other than ATAR, such as portfolio or interview.

Past Papers: Official NESA exams from previous years, the single best exam preparation resource.

Marking Criteria: Understanding what markers award marks for in each question.

Active Recall: Retrieving information from memory rather than passively reading notes.

Spaced Repetition: Reviewing material at increasing intervals for long-term retention.

Diagnostic Quiz: A short test to identify strengths and weaknesses.

Timed Practice: Completing practice questions under exam conditions.

Flashcards: Study cards for memorizing key formulas and concepts.

Study Timetable: A planned schedule allocating specific time blocks to each subject.

In-depth Investigation Planning: Start early, choose a topic with measurable outcomes, document everything.

Essay Plans: Structured outlines for writing HSC essays, ensuring logical argument flow.

• See IB Glossary for International Baccalaureate comparison
• See AP Glossary for Advanced Placement comparison
• See University Physics Glossary for deeper physics
• See Mathematics Glossary for university-level mathematics