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2025 Exams QR explanation videos

Each video explores a concept in the context of an examination question.

NOTE: videos released here after the examination security period ends.

You can find previous year's QR questions here

New videos and resources added regularly. 

QuestionID

Q5113

Resonance

Physics

M3

Explains resonance and links this to music, electron orbits and towing a load in a box trailer

QuestionID

Q5119ab

Parallel Current carrying wires

Physics

M4

Explore force between two parallel current carrying wires in the context of an exam question

QuestionID

Q5121

Newton's 3rd law in novel contexts

Physics

M2

Discusses universal application of physics laws - remembering Newton's 3rd law even in novel contexts. Assists with a common misconception and encourages a "physics" conceptualisation of the universality of the laws.

QuestionID

Q5152

Drone Launcher physics

Physics

M2

Explores laws of motion (SUVAT equations) applied to a drone launcher operating in Africa delivering medical supplies

QuestionID

Q5159

Momentum and impulse - real world contexts

Physics

M2

Momentum and impulse - datalogger to measure F-t, explores concepts in the context of an exam question in Physics

QuestionID

Q5214

Orbital motion analysis

Physics

M5

Applies advanced mechanics skills to the analysis of the highly elliptical orbit of star S2 at the centre of the Milky Way using PHET and TRACKER to obtain data

QuestionID

Q5215

Spin Launcher - circular motion and projectile motion

Physics

M5

Combines circular motion and projectile motion in the context of examination question.

QuestionID

Q5253

Electromagnetic braking, gravity batteries, Electric vehicles

Physics

M6

Demonstrates electromagnetic braking applied to electric vehicles, gravity batteries provided real data obtained and analysed in the context of an examination style question

QuestionID

Q5260

Photoelectric effect applied to electrostatics problem

Physics

M7

Synthesis of photoelectric effect and electrostatics explained in context of examination style question

QuestionID

Q5261

Thin wire interference of laser

Physics

M7

Demonstrates thin-wire interference of a laser pointer, applied to a HSC style exam question

QuestionID

Q5265

Photograph meets orbital physics and wave theory

Physics

M7

A synthesis of orbital speed, angular velocity and wave properties applied to a photograph in an examination style question

QuestionID

Q5310ab

Experimental design

Investigating Science

M1

Explores scientific experimental design in the context of an exam question. Clarifies Independent, dependent, control variables in novel context

QuestionID

Q5315ab

Modelling in science

Investigating Science

M3

Discusses utility and nuances in modelling in science in the context of invasive weed modelling in an exam question

QuestionID

Q5355

Parachute opening qualitative and quantative

Investigating Science

M3

Explores forces on a parachute while opening and the utility of qualitative observations in scientific investigations in the context of an exam question

QuestionID

Q5357

Cultural burning large datasets, evaluate questions

Investigating Science

M3

Explores large data sets in the context of science and indigenous knowledge using historical photos for scientific modelling and remediation using cultural burning by indigenous scientists. Provides some general frameworks for "evaluate" questions in exams

QuestionID

Q5413ab

Reliability and validity

Investigating Science

M5

Discusses validity and reliability - addresses common misconception about reliability -in the context of an exam question

QuestionID

Q5428

Spurious correlations and causation

Investigating Science

M7

Spurious correlations and establishing causation are explored in the context of an exam question

QuestionID

Q5434

Pseudoscience and astrology

Investigating Science

M7

explores astrology and debunking pseudoscience in the context of an exam question and a scientific investigation

QuestionID

Q5452

Infographics and visual abstracts, sleep apnea

Investigating Science

M7

Visual abstracts, interpreting visual data in science in the context of an exam question

QuestionID

Q5455

Velocity, distance with P and S waves

Investigating Science

M6

Relates velocity and distance travelled to P and S waves to triangular origin in the context of an exam question

QuestionID

Q5470

Photosynthesis and gases using technology

Investigating Science

M6

Interprets experimental data of gas exchange relating to photosynthesis in the context of an exam question

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