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    Home » Blow Up a Balloon with Lemon Juice

    Blow Up a Balloon with Lemon Juice

    April 11, 2018 By Emma Vanstone Leave a Comment

    We have had lots of fun blowing up a balloon with lemon juice today, although it’s taken several attempts to perfect our technique.

    Inflate a Balloon with Lemon Juice

    What you’ll need

    A small bottle or jar
    Lemon juice
    Vinegar
    Bicarbonate of soda
    Balloons

    Instructions

    Stretch the balloon a bit first, this just makes it easier to inflate.

    Fill your jar or bottle about one quarter full with lemon juice.

    Use a funnel to tip the bicarbonate of soda  ( baking soda ) into the neck of the balloon.

    Pour baking soda into a balloon through a funnel - Blow up a balloon with lemon juice

    Place the ballon over the top of the bottle. When you’re ready tip the balloon up so the baking soda drops into the lemon juice.

    Balloons blown up with lemon juice and baking powder

    Watch the balloon inflate.

    Another way to do this is to pour the baking soda directly into the jar and then quickly place the balloon over the top, but we’ve found this a bit trickier to do.

    Extension Task

    Can you set up a fair experiment to investigate whether vinegar, lime or lemon juice produce the most gas? How will you be able to tell?

    Blow up a balloon with lemon juice

    Think about which conditions you need to keep the same…( amount of baking soda and amount of vinegar and lemon juice )

    Why does lemon juice inflate a balloon

    The balloon should inflate because adding the lemon juice/vinegar to the bicarbonate of soda creates a chemical reaction, when the two combine they create the gas carbon dioxide. The gas rises up into the balloon blowing it up.

    This is an example of a reaction between an acid ( lemon juice/vinegar ) and a base.

    More Baking Soda Experiments

    Try some more fun chemistry experiments for kids.

    10 brilliant baking soda experiments

    Blow up a balloon with lemon juice - easy science experiment for kids #bakingsodaexperiments #bakingsoda #scienceforkids

    Last Updated on February 13, 2020 by Emma Vanstone

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    Safety Notice

    Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

    These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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