Produced by Teachers TV, this video provides an insight into climate change, the change in our world and a change in the way scientists view it. It can be used to explain the topics covered as well as illustrating ideas about how science works. Professor Andrew Watson of the University of East Anglia delves into...

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...