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The mixture made carbon dioxide gas.The balloon got bigger and bigger and bigger and bigger.

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Using the funnel pour all the ingredients carefully into the bottle. Mix it up. Fasten a balloon over the neck of the bottle and stand it in a warm place, such as on a sunny window sill. Leave it for a hour or so and watch what happens.

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Bottle
Funnel
1 table spoon of dried yeast.
1-2 teaspoon of sugar

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I think it will grow even bigger every hour. I think it will pop.

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What will happen to the balloon?