www.s-cool.co.uk

S-cool is the UK's leading revision website. We are dedicated to providing high quality A-level and GCSE revision material totally FREE. Join the mailing list and they will keep you up to date with all the latest news and hints for your exams and schoo ...

www.elmhurst.edu/~chm/vchembook/184ph.html

An article on pH Scale

www.ausetute.com.au

AUS-e-TUTE is an interactive learning resource being developed by experienced science teachers to provide free tutorials suitable for high school students.

www.animatedengines.com

Here you\'ll find high quality animated illustrations that explain the inner workings of a variety of steam, Stirling, and internal combustion engines. Ideal teaching aids.

www.chemguide.co.uk

This website is excellent for A level chemistry student. IT has a wide rage of easy to follow tutorial such as WRITING IONIC EQUATIONS FOR REDOX REACTIONS.