Hey Ray! Creating A Cloud In A Bottle

PITTSBURGH (KDKA) — KDKA Meteorologist Ray Petelin is back with another home science experiment, here to show you how to create a cloud in a bottle.
Equipment Needed:Bicycle Pump
Safety Glasses
Rubber Stopper that fits a bottle
Valve Stem For Tubeless Tire (Easily found at an auto parts store)
Bottle (Easiest/Cheapest to use a 2 Liter Bottle)
Rubbing AlcoholPhoto Credit: Ray Petelin/KDKA
SET UP:Put on safety glasses
Drill a hole in the rubber stopper, so the valve stem can snugly fit insid