CFS Science : GCSE Revision

Hello and welcome!

If you haven't watched the short intro video yet, please click here.

Now .. down to business ...


Radiation & The Universe

Choose a section of Radiation & The Universe to revise today.
Use two 30-40 minute sessions for today's revision.

1. Electromagnetic Waves

  • The Electromagnetic Spectrum - p.2
  • Gamma Rays and X-Rays - p.3
  • Light and Ultraviolet Radiation - p.4
  • Infrared, Microwaves and Radio Waves - p.5
  • Communications - p.6
  • Analogue and Digital - p.7
watch the slide show
(16 mins)
2. The Origins Of The Universe
  • Doppler Effect / Red Shift - p.8
  • The Big Bang - p.9
  • Looking Into Space - p.10
watch the slide show
(12 mins)
3. Radioactivity
  • What makes substances radioactive? - p.11
  • Types of Radiation - p.12
  • Half Life - p.13
  • Uses Of Radiation - p.14
watch the slide show
(25 mins)
Once you've finished revising, here are some things to do to get really good:

1. Lonsdale revision questions
Details here

2. Past Papers
You can download some past papers - and the answer sheets here.
Each download contains the Foundation paper first followed by the Higher - so take care.

Once you've completed a paper, you can mark it using the Answers
and find out your grade here.


  • November 2007 - Exam paper - Answer Grid - Answers
  • June 2007 - Exam paper - Answer Grid - Answers
  • March 2007 - Exam paper - Answer Grid - Answers
  • November 2006 - Exam paper - Answer Grid - Answers
  • Trial paper plus answers (released before the first real paper).