The BBC Bitesize guide to kinetic theory contains infographics and text to explain concepts such as the changing states of matter, plus more physics revision notes written to the WJEC GCSE physics ...

The questions in this quiz are suitable for GCSE chemistry students studying solids, liquids and gases and changes of state. If you struggled with the quiz, don't panic - we've got you!

The state of matter is a deceptively simple concept. It turns out that any material, no matter what it is made of, can exist in one of three forms: solid, liquid or gas. These are categories of ...