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 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 ... we measure acidity: the pH scale. The scale spans from ...

Discover how red cabbage can act as a natural pH indicator, revealing whether substances are acids or bases through beautiful color changes. pH is a measure that tells us how acidic or basic a ...

The color that a substance turns a pH indicator is a characteristic property of that substance. An acid can neutralize a base, and a base can neutralize an acid Students squeeze red cabbage leaves in ...