These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop the idea of chemical change by showing a reaction that takes place on heating to a...

This video explains how nucleation in impure water helps it to transition from liquid to solid, yet in very pure water this is far harder.  Supercooled water (water cooled below its freezing point, yet still liquid) is made. The bottom of the bottle is hit against a table and ice crystals instantly form.  This is...

These short videos provide vital information on how each of the Science Mark criterion for secondary schools is assessed.

Teaching and learning

Suzie researches how the sun influences the planets in the solar system.  She also teaches physics to undergraduates and is involved in a lot of outreach.  Suzie is currently working on the BepiColombo mission to Mercury. 

There are two cuts of the video – one aimed at primary aged children, and one for...