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TGIntro1: What is on this CD-ROM?
Stuff & Substance aims to establish the chemical idea of a substance. The phenomena of the material world can be understood in terms of three different things that could happen to a sample of a substance:

It could change state;

It could mix up with one or more other substances;
It could undergo chemical change on its own or in interaction with another substance.

These three possibilities give rise to the three sections of Stuff & Substance:


Mixtures of Substances
Changing Substances

The main contents section provides structured materials for teachers’ to use with a class or a small group of
students; the accompanying Teachers’ Guide provides more information and advice for teachers’ .
not applicable

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