Credits

Developed by the Sustainable Technology Group at BHP Billiton Minerals Technology, Newcastle, using funding from BHP Steel and test driven by:

Garden Suburbs Primary School Class 6b 1998	Waratah Technology High School Year 9 1998
University of Newcastle 1998/99 Summer Science School	Newcastle City Council

Special thanks to:

• Mr Ian Baxter and class 6b 1998 at Garden Suburbs Primary School, Newcastle, for their help and feedback with the primary school version.
• Mr David Hunter and Year 9 1998 at Waratah Technology High School, Newcastle, for their help and feedback with the high school version.
• Dr Fred Menk and John Pearson at the Physics Dept, University of Newcastle, for using CHAPPY at the 1998 & 1999 Summer Science School.
• Gabrielle Schofield at Newcastle City Council for the development of a teachers' guide.
• Nathan Collin for the music, Ph: (02) 6550-5171.