This afternoon, Bluebirds had great fun experimenting with air today.
They watched Mrs Parry and Mrs Johnson knock down a pyramid of cups using an airzooka, which is a gadget that shoots out puffs of air. When they pulled back the tab on the airzooka, it sucked in some air and as they released the tab, it shot the air out very quickly! Some brave volunteers even balanced cups on their heads….Mrs Johnson was a very good aim!
As we couldn’t see the air, we used a smoke machine to understand (and see) how the airzooka created kinetic energy which made the smoke travel. It then began to lose kinetic energy as it travelled through air. The smoke began to dissolve as it travelled because it mixed with air particles.