Welcome to the SunBlock 99 website. We hope you find it informative and fun, but please note that the site in undergoing a complete re-development and will then include much more material targeted at Key Stages 3/4 of the National Curriculum and related levels in Scotland and Northern Ireland.

Launch of the new website (to be renamed www.suntrek.org) is scheduled for Spring 2006 and the material will also be available on a CDROM, together with supporting teachers' notes.

If you are interested in using and commenting on trial versions of the new website or would like to be informed when the new material is available, please register now .

See our news page for details of related activities .

Supported in part by the Millennium Maths Project and the Particle Physics and Astronomy Research Council (PPARC).

Check out what setup you need to make full use of the material in these pages.