Guidance on how to choose, risk assess and carry out practical activities at public events.

In this issue: A density teaching idea, Primary Science Quality Mark, transition advice and ideas, colour and using a colour wheel.

A practical activity that uses liquids with different densities to demonstrate floating and sinking.

In this issue - 'Practical science – why it’s worth the effort!' - a message from the CLEAPSS Director, tips for “Working scientifically” in the new National Curriculum and updated guidance on keeping alpacas and llamas.