What's the point of school science practicals?

Available for over a year

School practicals may be popular with students and teachers but recent research suggests that they might not be a useful way to teach science. Is the aim to train up the technicians of the future, or teach children how to think scientifically? Science teacher and writer Alom Shaha and Prof Jim Iley, from the Royal Society of Chemistry, discuss how to make science demo more effective. And the best way to make cheese on toast.