HSC Investigating Science

Official curriculum and assessment

To start HSC Investigating Science revision, open the 2025 Main examination paper. Use the official resources below to choose a task, attempt it independently and check your response against the available assessment guidance. The practice sequence below explains how to turn that review into a focused next attempt. Confirm the paper’s course and syllabus year before using it.

Editorial guidance prepared 3 November 2026.

How to practise this subject

These practice suggestions are editorial guidance from Australian Study Resources.

Open the 2025 Exam, Q1. Task focus — Identify which section of a peer-reviewed journal article summarises the whole investigation. Attempt it before consulting the marking guidance, then identify the evidence or working that supports your answer.
Open the 2025 Exam, Q3. Task focus — Choose the step needed for a hospital therapy-dog recovery study to be conducted ethically. Attempt it before consulting the marking guidance, then identify the evidence or working that supports your answer.
Open the 2025 Exam, Q4. Task focus — Recall the main purpose of Eratosthenes' investigation. Attempt it before consulting the marking guidance, then identify the evidence or working that supports your answer.
Record the specific point you missed, write a corrected response, and attempt another question that requires the same skill. Check older material against your current course before reusing it.

Plan your next practice session

Choose one explanation from your practice sequence. Separate what was observed from the explanation you propose, then identify a condition or limitation that affects the conclusion.

How to explain scientific results without overstating them — includes an original example and a downloadable worksheet.

Browse free study notes on ATARMAXXING

Use notes to check a term or mechanism, then return to the actual data and explain the result in your own words. Check that the notes match your course.