Subscribe for more science videos :http://bit.ly/RiSubscRibe Help us transcribe this lecture: http://www.youtube.com/timedtext_video?v=0g8lANs6zpQ If you were able to make a substance change colour, or turn from a solid to a liquid, would that be magic? Andrew Szydlo leads us through a world of magical molecules and enchanting elements in this Ri event from Wednesday 23 April 2014. From a liquid that boils at room temperature to gases that are heavier than air, this family event is full of practical demonstrations of the magic of chemistry. The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter