2. Place the funnel into the opening of the balloon, then add around 1/3 cup of baking soda 3. Inside the bottle, add about a cup of vinegar 4. Place the mouth of the balloon over the opening of the ...

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GRAND RAPIDS, Mich — The old volcano experiment is a classic - using a model volcano, combine baking soda and vinegar to get an eruption. In this experiment, we'll use the product of that eruption to ...

In the continuous quest to find cost-effective methods to explore the planets, NASA engineers have risen to the occasion by developing a variety of new balloon methods inspired by centuries-old, solar ...