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.

It demonstrates how substances like tea, red cabbage, and litmus paper react ... ultimately illustrating the behavior of a universal indicator that combines multiple indicators to show a range ...

Universal indicator is a special indicator because ... can be used to make indicators just by mashing them in hot water. Red cabbage is one of the best, and can be compared to the colour charts ...

Make red cabbage indicator: Shred 1-2 red cabbage leaves and freeze ... Set out 1 set of labeled cups, 1 unlabeled cup, universal indicator, 1 long-handled spoon or other stirring equipment, 1 ...

Pour desired household chemicals into separate 50 mL beakers. Add a few drops of universal indicator OR about 25 mL of red cabbage indicator and mix. Compare colors to standard solutions in lighted ...

Working in pairs, each pair made a different indicator from fruit and vegetables, including plum skin, turnip skin, red cabbage and raspberries. Pupils were able to decide whether to dissolve the ...