Yesterday afternoon, Year Three had lots of fun making careful observations about solids, liquids and gases. We looked at a balloon filled with air, a balloon filled with water and a balloon filled with ice. Charlotte noticed that the air balloon was the most bouncy and she thought this was because the air could move around inside the balloon. Ruby noticed that we could throw the water balloon the furthest and Caitlin thought that this was because the air balloon was light so gravity could pull it easier than the water balloon. Kyan noticed that we could change the shape of the water and air balloons by squeezing them but we couldn’t the ice balloon.
Then we decided to see what would happen if we popped the balloons! We noticed that the air balloon was the loudest because it burst the balloon open and Caitlin thought that this could be because of the air pressure and Ruby said the air was escaping the quickest. We couldn’t see where the air had gone but Aaron explained that the air will have gone into the classroom but we can’t see it because it’s transparent. The water balloon popped and the water flowed below and we noticed that the water was no longer balloon shaped but the shape of the bowl! The ice balloon kept its shape even without the balloon.