Matter and Change is one of the publication themes of the Gatsby Science Enhancement Programme.

One of the most fundamental ideas that students should learn in science is that ‘stuff’ is made from atoms – the enormous variety of different kinds of materials that they see around them arises from a relatively small number of these building blocks.

The key to understanding this idea is the relationship between the properties of the materials that we can see and the particles of which the materials are composed. The concept of a substance lies at the heart of understanding chemistry.

For students, this idea is not innate, and cannot be left somehow to develop naturally. It is an abstract scientific idea that needs to be learned.

The booklet Stuff and Substance: Ten Key Practicals in Chemistry shows how practical work can support these ideas, and can be used alongside the Stuff and Substance multimedia package. This uses videos and animations to make the link between observed phenomena and underlying particle explanations.

Students are fascinated by materials that behave in strange and unpredictable ways. Go with the Flow: Investigating Bouncy Fluids and Other Strange Materials and the Go with the Flow CD-ROM, which complements the original booklet, both look at materials with unusual flow properties and the science behind their behaviour.

Exploring viscosity is a particularly interesting area for student investigations. Investigative chemistry is a high profile topic, ranging from the analysis of crime scenes to testing the food we eat.

The Forensic Chemistry booklet looks at how the composition of samples can be analysed using a range of instrumental qualitative and quantitative techniques, including microscale techniques that can be used by students in the school laboratory.



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Stuff and Substance: Ten Key Practicals in Chemistry *suitable for home teaching*

This booklet is part of the ‘Innovations in Practical Work’ series published by the Gatsby Science Enhancement Programme (SEP). Understanding the idea of a ‘substance’ is central to making sense of the variety of materials in the world and the way that they change. Research on students’ understanding shows that...

There are three themes in these materials:

  • Substances: This introduces the idea of a substance by looking at properties and establishing that a substance can be in any of three states. A basic particle model is introduced.
  • Mixtures of substances: This explores phenomena involving the mixing...

Stuff and Substance

Stuff and Substance is a multimedia package developed by the Gatsby Science Enhancement Programme (SEP). It aims to address the difficulties many students have in understanding fundamental ideas in chemistry. The carefully constructed sequence of content in Stuff and Substance develops the concept of a substance...

Go with the Flow CD-ROM

This multimedia package was developed by the Gatsby Science Enhancement Programme to help students understand the interesting and unusual properties of a range of fluids, semi-solids and solids. Published originally as a CD-ROM, the materials contain a collection of...