This is the rubber stopper that we inserted into flask with a candle, temperature sensor, and presure sensor inside of it.


The rubber stopper with the candle lit. Rex is about to put it into the flask with the lime water.


The flask with the rubber stopper in it with the candle burning out. The lime water is absorbing the carbon dioxide created by the flame.


Matt and Rex working on the experiment without the plastic bag.


Math is an important part of every deep project. This is Rex crunching numbers.


At long beach we had a little free time on our hands.