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.

Students will be able to explain that if two substances cause turn a pH indicator different colors, they must be different substances. Students will be able to explain that the color that a substance ...

Parental Note: Because this experiment requires the use of a stove to boil the cabbage, we strongly suggest that the experiment only be conducted with the supervision ...