This term we learnt about Rube Goldberg machine in science. It was about forces, ramp, pulleys etc to build simple machine so to complete a task. The goal of my experiment was to knock down a bowling pin. In my experiment, I used balls, ramp, dominoes, slide, tipping truck, bowling ball and bowling pins. First, I rolled a ball down a ramp and it knocked down the dominoes. The last domino pushed a ball and it rolled down a slide. At the bottom of the slide, the force from the ball hit the tipping truck which caused the bowling ball on the tipping truck to tip over. Finally, the bowling bowl rolled and it knocked down a bowling pin.