WJEC Additional Science (Physics)

This section of the website contains suggestions for material that could be used with the WJEC Additional Science (Physics) Specification (2009).

WJEC is not affiliated with the author of the site and has had no involvement with the content of this website.

The website does not necessarily cover all topics or to the correct depth required for this specification although some sections may cover topics in more detail than is needed. It is the responsibility of the individual teacher to select the appropriate material.

I am grateful to WJEC for permission to reproduce adapted versions of text from their Additional Science (Physics) GCSE Specification on this site. For the full version of the specification please see: WJEC Science 2009

Radioactivity

1. Radioactive emissions

(a) The unstable nucleus
(a) Radioactivity

(b) Background radiation
(a) Background radiation
(a) Background radiation pie chart

(c) Radon in the home
(a) Radon gas

(d) Penetrating power and nature of nuclear radiation
(a) Radioactivity types
(a) Range of radiations (16-19)

(e) Dangers of radioactive sources
(a) Radioactivity

(f) Health risks of radioactivity
(a) Radioactivity
(a) Biol ogical effects of radioactivity (16-19)
(a) Radi oactivity – safety precautions (16-19)

2. The half life of radioactive materials

(a) Half life
(a) Half life

14-16/Nuclear physics/Experiments/Half life – water
14-16/Nuclear physics/Experiments/Half life – dice

(b) Half life calculations
(a) Half life

14-16/Nuclear physics/Problems/Half life
14-16/Nuclear physics/Problems/Radioactive decay and half life
14-16/Nuclear physics/Problems/Radioactivity

3. Uses and dangers of radioactivity

(a) Uses of radioactive materials
(a) Uses of radioactive materials

(b) Radioactive waste
(a) Radioactive waste

Further text, problems and experiments will be added later.