Make Litmus Paper out of Cabbage!

Make Litmus Paper out of Cabbage!

Elyse Prestopnik, Reporter

WARNING: The following project MUST be completed with an adult.

NOTES: Litmus paper is paper stained with litmus which is used to indicate the acidity or alkalinity of a substance. Blue litmus paper turns red under acid conditions, and red litmus paper turns blue under alkaline conditions. 


To make Litmus Paper, you will need:


  • Jar
  • Paper Towels
  • Head of Red Cabbage
  • Grater 
  • Saucepan
  • Strainer




  1. Grate half of the head of the red cabbage into a saucepan and add one cup of water with the help of an adult.
  2. Boil the cabbage for 15 minutes.
  3. Let the cabbage juice cool.