Science experiment – cabbage litmus


Here is the third experiment in this series that my children are doing at home.

This is a great science experiment to do at home and really easy! I’m not going to write much about it as there are plenty of web-pages out there. Basically, shred half a red cabbage in a blender whilst adding a cup of water. Strain the juice out into a jug. We set out loads of wine glasses with a small amount of the litmus juice in each and added household stuff into each. We got these colours above. Sadly I didn’t get a photo. The purple is the original colour or neutral PH. lemon juice (acid) gave pink and Cif, the cleaning fluid (alkali) made a beutiful shade of aquamarine.

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