S'Cool Magazine Issue 1 | 1 October, 2013 S'Cool Magazine Issue 1 | 1 October, 2013 | Page 10

science page fill half of the bottle with water and close the bottle with a cork stab the pin on the bike pump and start pumping. it will take of. This means you need an adult around you for you to do this. What you need: one empty large soda bottle; some water,a cork,bike pump and bike pump pin 1