Potato Gun Experiment

Today we did a science experiment. We made potato guns out of straws, skewers and of course potatoes. We were trying to test what angle was best for making the potato guns shot the bits of potato. The way the potato guns were meant to work was you would stab each end of the straw into the potato so that each end of the straw had had a bit of potato in it, then with the skewer push one of the bits of potato slowly so that the air pressure builds up and then after the air pressure gets to strong the other bit of potato flies out of the straw. Well that's what was meant to happen but the straws were to bendy and when they bent they weren't air tight so the air pressure couldn't build up.