Balloon Baggies
Materials: zip-lock bags
baking soda
vinegar
tissues
Procedure: 1. Tear a small square (approx. 3"by3")
from the tissue.
2. Place one teaspoon of baking soda on
the tissue square, and fold over the
edges.
3. Pour one-half cup of vinegar into the
zip-lock bag.
4. Place the square of tissuï¿¿e paper into
the zip-lock bag, and QUICKLY zip
the bag shut.
Now watch what happens!
Explanation: The vinegar and baking soda combined
in a chemical reaction to produce carbon dioxide.
The carbon dioxide gas filled the bag, causing it to
expand, much like a balloon.