A crash course on the basic differences between acids and bases, complete with a classroom-friendly experiment demonstrating the strength of such compounds using a red cabbage pH indicator.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. 1. Grate the red cabbage into small ...

This educational film explores acid-base indicators and their color changes in response to acidity. It demonstrates how substances like tea, red cabbage, and litmus paper react when acids are ...

Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances.

IntroductionAn acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with ...

Acids and bases are what make up most liquids! Learn about the difference between the two and try this easy experiment at home.

In another experiment, you add a universal indicator to water to make it change colors. For acids, the liquid changes from a certain range of colors, and for bases, a different range ending on purple.