Jennifer, a keen young bowler, joins Nakeem and pro Melissa in a bowling alley. They learn the history of 5 pin bowling, that the smooth soles of bowling shoes reduce friction to help the bowler slide, and the importance of practice.  The science of what happens between the ball and the pins: the interaction involves the size, mass and speed (or velocity) of the ball.  The ball transfers its momentum to the pins and must hit them on an angle in order to send them crashing.  The shape of a bowling pin, being wider at the base, gives it a lower centre of gravity, making it harder to knock over. And finally, a pro tip: how you place your front foot determines where your ball goes.