It’s sink or swim! Let’s carry on with our scientific investigations by observing what sinks and floats and noticing what different materials do in water.
Maddie’s Do You Know?, Songs: Sinking & Floating: http://www.bbc.co.uk/iplayer/episode/p0791s1l via @bbciplayer
Kit & Pup, Series 1: 7. Floating and Sinking: http://www.bbc.co.uk/iplayer/episode/b0bc29rr via @bbciplayer