Bottle Rocket Awesome!
this a really fun and also easy sience experiment
you will need:
-bottle
-water
-rubber stop with valve in it
Step 1
fill up the bottle around half full with water and put the rubber stop in it tightly so it can hold lots of pressure
Step 2
now connect up the pump and start pumping until it blows off and shoots high in the air i will make a instructable soon on how to make a stand
if you liked this please check out my website and ebay also follow,like,vote