Big Idea: All matter is made of small particles and this can explain many of its properties. More info...
Demonstration: Measuring the change in pressure when air is heated at constant volume.
Class practical: This experiment leads to the concept of absolute zero. Students investigate the effect of temperature on the...
The experimental graph of pressure against temperature is likely to be straight enough to justify asking whether the plotted...
This episode establishes the ideal gas law, and how to use it. NB many texts use the terms ideal gas and perfect gas as...
Our new set of videos gives teachers and coaches of physics a preview of the training we offer ahead of this term's live support sessions.