Dr Yan and children from Links Primary School in London investigate friction by trying to separate two interleaved books. Friction with the ground is one reason why Bloodhound SSC doesn't have tyres.

It's a great way to get pupils physically active while they learn too. KS2 Science: The Solar System from the TARDIS. videoKS2 Science: The Solar System from the TARDIS Floss, LC and Spark have a ...