Click here to visit the Teacher Guide
Welcome to the SEP Stuff and Substance CD-ROM

Understanding the idea of ‘a substance’ is key to making sense of the variety of materials in the world and the way in which they change.

This CD-ROM provides videos, animations and questions to teach about this important idea, and aims to develop students’ understanding of the fundamental ideas underpinning ‘Materials and their properties’ at KS3.

Please select a section from the options below. If this is the first time you have used this CD-ROM, please start with the User Guide.

Start Main Content

Start Teachers’ Guide

Start User Guide

Copyright and Terms of Use


This package makes significant use of Macromedia Flash.

If you cannot see the animation above, please click the link below to view the SEP support page.

| next >  
  user guide