Self Inflating Balloons

*Friday wiggle!* Happy Friday friends! I had plans for a different activity to go up today but thanks to a bloody cold, I’ve dug up Self Inflating Balloons from the draft archive!

Anything that involves baking soda and vinegar is a winner in Izzy’s book. She LOVES mucking around with it and creating carbon dioxide. This is an activity we did way back in September last year and we have done it multiple times since! It not only teaches kiddos about basic chemistry but it shows them that there can be more than 1 way to do something!

When baking soda and vinegar mix together it produces a chemical reaction. The result of the chemical reaction is carbon dioxide. By placing the balloon over the bottle, it actually creates a seal. As the carbon dioxide tries to leave the bottle, it goes up inside the balloon and pushes against it which causes the balloon to inflate.

Did you know that whether you are blowing a balloon up the ole’ fashioned way or with baking soda and vinegar, you’re still using carbon dioxide to inflate it? We inhale oxygen and exhale carbon dioxide!

What you’ll need 
– a narrow necked plastic bottle
– baking soda
– white vinegar
– balloon
– funnel
– food colouring (optional)

What to do
– Grab a funnel and insert this into the next of the balloon. Depending on how big you want your balloon to inflate, add 1-3 tablespoons of baking soda.
– Fill your bottle 1/4-1/2 full (again, depending on how big you want your balloon to inflate) and add a few drops of food colouring. This is completely optional but super fun!
– Pop the neck of the balloon over the neck of your bottle, making sure the seal is tight and lift the balloon up so the baking soda falls into the bottle.
– After a few seconds, the baking soda and vinegar will start to mix and create carbon dioxide. The gas pushes up into the balloon and the balloon will “self inflate”. Swirl the bottle around a bit to ensure you get the most carbon dioxide out of your wee chemical reaction.
– Repeat until one of you gets bored!

HAVE FUN!

Self Inflating Balloons by Hey Little Sweet Thing

Self Inflating Balloons by Hey Little Sweet Thing

Self Inflating Balloons by Hey Little Sweet Thing

Self Inflating Balloons by Hey Little Sweet Thing

Self Inflating Balloons by Hey Little Sweet Thing

This is what happens when you don’t use a narrow necked bottle … and use a pink balloon!

Self Inflating Balloons by Hey Little Sweet Thing

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