Science
A working companion to Year 9 science: concepts explained, formulas collected, worked examples, and graded practice. Each topic also exports to a printable workbook and answer key.
VCAA Science is organised in two-year bands. This Year 9 pathway covers a deliberate slice of the Levels 9-10 Science band, so the companion Year 10 page completes the band.
Topics currently ready to study.
Topics with a separate printable answer booklet.
Topics that go beyond the year's core coverage.
Biological sciences
Year 9 (Levels 9-10 band): structures of reproductive cells and organs in plants and animals; how sexual and asexual reproduction ensure species survival.
Year 9 (Levels 9-10 band): how the nervous and endocrine systems coordinate the body's response to stimuli and maintain homeostasis through negative feedback.
Year 9 (Levels 9-10 band): causes of infectious and non-infectious diseases, transmission, the immune response, vaccination, and public-health control measures.
Chemical sciences
Earth and space sciences
Physical sciences
Year 9 (Levels 9-10 band): wave and particle models of energy transfer; transverse vs longitudinal waves; wave equation; the electromagnetic spectrum; reflection, refraction, and diffraction.
Year 9 (Levels 9-10 band): the link between electricity and magnetism; electromagnets; how AC is generated in turbines; comparison of AC and DC; photovoltaic and battery DC sources.
Year 9 (Levels 9-10 band): the Law of Conservation of Energy applied to real systems; useful vs wasted energy; efficiency calculations; Sankey diagrams.