Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties.

Make red cabbage indicator: Shred 1-2 red cabbage leaves and freeze 1 hour in a zip-close plastic ... 1 measuring spoon or cup. If distributing the pH color charts, place them with the set-ups for ...

Make an acid-base indicator. Dr Yan uses some very colourful science to find out what's acidic in his kitchen. Take 1/4 red cabbage. Finely slice the cabbage. Put all the chopped-up cabbage into a ...

pupils from year 9 and year 10 joined forces to create a giant pH-indicator chart. Working in pairs, each pair made a different indicator from fruit and vegetables, including plum skin, turnip skin, ...