Course content

66 lessons

5.1.1-5.1.2 · The nuclear model of the atom

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5.2.1-5.2.2 · Detection of radioactivity and the three types of emission

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5.2.3-5.2.4 · Radioactive decay, fission and fusion

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5.2.5-5.2.6 · Half-life and safety precautions

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Finding half-life from a decay curve

12m

Uses of radioactivity: smoke alarms and thickness control

11m

Uses of radioactivity: medicine, sterilising and food

11m

Effects of ionising radiation on living things

10m

Moving, using and storing radioactive materials safely

10m

Reducing exposure: time, distance and shielding

11m

Half-life and safety: practice

Half-life and safety: exam practice

15m

Half-life and safety: summary

6.1.1-6.1.2 · Earth and the Solar System

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6.2.1-6.2.3 · Stars and the Universe

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5.2.5-5.2.6 · Half-life and safety precautionsLesson 9 of 11

Half-life and safety: practice

A timed drill of mixed questions: half-life from data and curves, choosing isotopes and safety.

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