The latest revision set of questions , aimed primarily at IGCSE Physics, can be found at

http://www.e-physics.org.uk/quizzes/hooke/

GCSE Physics

X-Rays in Medicine :  http://e-physics.org.uk/quizzes/xraymed/

Waves :   http://www.e-physics.org.uk/quizzes/waves

Light and Sound :  http://www.e-physics.org.uk/quizzes/lightandsound/

Circuits 1 : http://www.e-physics.org.uk/quizzes/circuits1

Circuits 2 : http://www.e-physics.org.uk/quizzes/circuits2

Latest…….

Circuits 3    Pressure    Atoms and Nuclear Physics

GCSE/IGCSE Revision : The Eye

http://www.e-physics.org.uk/quizzes/eyerev/

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The latest revision questions for IGCSE/GCSE Chemistry are  now available for the following topics

Properties of Metals

Reactivity Series

Methods of  Purification

Dr.Overy’s Science Knowledgebase is now open at …..

www.globalmatters.org/topics

Here is a useful resource, developed by Anup Shah.  The website looks into global issues that affect everyone and it aims to show how most issues are inter-related…….
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How do we define alternative energy ?

It is usually associated with a source of energy which is renewable.  We can regard a renewable energy source as having an unlimited supply of energy , since it is constantly being replenished as we convert the energy into other forms .

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