# data[].attributes.body
The mixture made a gas called carbon dioxide which made the balloon rise when we put the balloon on the bottle on the window sill.

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In the glass bottle put the yeast, sugar and warm water. Now put the balloon on the neck of the bottle. Put the bottle on a hot window sill. Observe what happens.

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Balloon, 1/2 teaspoon sugar, funnel, glass bottle, 1 tablespoon of dried yeast, 1 tablespoon of warm not hot water.

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I think the balloon is going to keep on going up and eventually pop.

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What will happen to the balloon?