This week we will look at density and buoyancy. To help us understand a little more about density and buoyancy I am going to refer to the expert....Bill Nye.
To win this competition you will have to hold the most weight before it sinks. We will be comparing how much weight your boat can hold in pennies (remember a roll of pennies is 4.5 oz) and in golf balls (remember a golf ball weighs 1.62 oz).
After the competition you must fill in the form below.