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Self Inflating balloon

make a balloon self-inflate - science experiment

Self inflating balloon science experimentSelf inflating balloon - Science experiment
What you need:
  • 1 Balloon
  • Bi-Carb-soda
  • Water bottle
  • White vinegar.

Step 1: Measure out half a cup of white vinegar.

Step 2: Pour half a cup of vinegar inside the water bottle. Make sure you don't spill any or you'll be in for a mess!

Step 3: Either get a funnel or improvise one out of paper like me. Once you've done that pour the bi-carb soda into the balloon via the funnel.

Step 4: Stretch the balloon over the water bottle though make sure no bi-carb soda mixes with the vinegar yet.

Step 5: Now it's time to prop the balloon up so that the bi-carb soda can mix with the vinegar.
Self inflating balloon science project steps
Self-Inflating Balloon Experiment Steps - In Pictures
How does this happen?
Well you see it's simply that baking soda and vinegar create a reaction, acid base reaction to be precise. What does the reaction make? The reaction makes carbon dioxide which is a gas. Now gasses need a lot of area to spread out so the carbon dioxide fills in the bottle then, when there is no more room it starts to blow up the balloon.

Make it a science experiment
What we have just done was not a experiment but a demonstration. To make it an experiment we need to test/experiment to find a answer to a question. Below are some example questions.
  • Would this work with brown vinegar?
  • Does this work with different lemon juice?

Try and come up with your own questions.

Hope you enjoyed this science experiment! - ScienceSquid
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