This is a collection of interactive materials that was published by the Royal Society of Chemistry a few years ago. You will have to register with the National Stem Centre (but you should do this anyway as there are many more resources available on here!)
It’s just under 400MB file so will take a little while to download. You will then have to unzip the file and run through your PC (you may need a bit of IT support to get it working). It’s proved so popular at our school, we have installed it onto every teachers PC so it can be projected onto their IWB.
It comprises animations, slideshows and videos on the following topics:
States of Matter