Barn owls carried out an experiment to see if a glider, a paper aeroplane or a helicopter would stay in the air the longest. They had lots of fun learning about the effect of air resistance on different shapes.
Barn owls carried out an experiment to see if a glider, a paper aeroplane or a helicopter would stay in the air the longest. They had lots of fun learning about the effect of air resistance on different shapes.
Wagtails are wondering what stayed in the air the longest? We think that it was the aeroplane.