Our Year 5 scientists have blasted off into an exciting new physics topic this week, exploring the secrets of our solar system. The children began by examining different celestial bodies, discussing the phases of the Moon, and discovering how a massive asteroid collision millions of years ago brought about the end of the dinosaurs.  This sparked a big question for our main science investigation: Does the size of an asteroid affect the diameter of its impact crater?  
To put this to the test, the class worked brilliantly in teams to plan a fair test. They identified their variables and designed their own data tables to record their future findings. The children raided the PE cupboard to use different-sized sports balls as their "asteroids." They dropped these into trays of sand to measure and observe the deep craters left behind. 
What do you predict our results will show—will a larger asteroid always make a wider crater?