Tuesday, March 13, 2018

How to Make a pH Indicator at Home

As summer vacation nears, parents wonder how to keep kids busy at home. The best way to keep children busy during vacations at home is by allowing them to conduct kid-friendly experiments that not only allow them to pass time, but also teach them new things. Science for kids is an enjoyable and great learning experience. Science can be well-learned not just by reading textbooks but by experimental method. pH Indicator can be made at home with material easily available. With parent's supervision and help, a child can enjoy this scientific experiment at home and have fun.

Materials for making pH Indicator

Filter paper
Beetroot - 1
Mineral water
Paint brush

Method for making pH Indicator


Peel the beetroot and grate it. Place the grated beetroot in a vessel half filled with water. Boil the water and simmer for 20 minutes on a low flame. Allow it to cool.


Filter the beetroot water with the help of a strainer. Collect the water in a tray and throw away the beetroot remains.


Take filter paper strips and dip in the beetroot water tray. Allow it to soak till uniformly colored.


Your pH Indicator is ready.

Take the Test

You can take the pH Indicator and start testing on various kind of liquids such as lemon juice, sour milk, milk, or even vinegar. To carry on the test, take the paint brush and dip in the liquid of your choice. Now with that brush dip paint on the pH indicator. The color on the pH indicator would change depending on whether the given liquid is an alkaline or acidic.


You can be innovative with various solutions instead of beet root for making pH indicator. Some other liquids include grape juice or even turmeric solution.

How it Works

The pigment present in the beetroot, known as Anthocyanin acts as the pH indicator and changes it's color according to the presence of alkaline or acidic nature of the liquids tested.

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