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.

Label two small cups Cream of Tartar and Detergent for each group. Place ¼ teaspoon of detergent and ¼ teaspoon of cream of tartar in their labeled cups. 1. Introduce the activity and guide the class ...

Some are neutral, some are acidic. See what it says on the label. Make sure the cabbage is red. Other varieties of cabbage will not work. Mash up the red cabbage so the water you have added really ...