Friday, March 12, 2010

My House Is Really Dry Humidity Is At 30

EXPERIMENT: carbon dioxide CO2

You will need:
citric acid, baking soda, 1 small bottle , Balloons, eye for eye
Here's how:
We fill 3 tablespoons of baking soda, 5 tablespoons of citric acid in a bottle.
Then we add water to, fit quickly a balloon over it and shake the bottle.
What happened?
The CO2 expands in a balloon.
Img_0625 Img_0627

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