July 12 2006

Our project for today is roller coasters. We are making roller coasters to leaarn about speed and aerodynamics diffrent people in my camp wher devided in to age groups to make roller coasters.I think our's is the best we hade water bottels cardboard tin cans and box's plus I think our's look the best too it's called "the fireboult." Also today we made water filters! We used marshmallows, beans, coffy filters and styraphone and peut them in a plastic silinder and with tinfoil onthe bottom then we poced a tiny hole in the bottem so the water will seap throu!