How to teach gases at 14–16

This article looks at how you can use the topic of gases to help your secondary chemistry students grasp the link between the number of particles and the volume of a substance. It also covers how to use the Hofmann voltameter experiment to help students visualise and understand this concept. There are tips on how to use Avogadro’s law to connect the number of gas particles to measurable volumes, and you’ll find out how to deal with common misconceptions about gases. There are also tips and resources for your teaching. In short, everything you need to teach this 14–16 topic effectively.