Year 9 Science

Notes, animations and self-check questions for Year 9 Science.

For students

Each lesson page has the key ideas, worked examples and a self-check. Class materials and due dates are on QLearn.

Radioactivity

Lesson	What it's about
Half-life and carbon dating	Use the half-life of a radioisotope as a clock, and explain how carbon dating tells us the age of things that were once alive.

Curriculum

Australian Curriculum v9 Science, Year 9: AC9S9U06.

The half-life animation on these pages is original. Videos are linked from YouTube. Simulations: PhET Interactive Simulations, University of Colorado Boulder (CC BY 4.0).