Curated OER
RHS Campaign for School Indicator
Students study Ph and how acids and bases can affect it. In this indicators lesson plan students divide into groups and complete a lab activity to investigate what happens when they add indicators.
American Chemical Society
Inquiry in Action: Color Changes With Acids and Bases
In this lab activity, students will learn how red cabbage can be used as an indicator of an acid or base by looking at its color changes.
American Chemical Society
Inquiry in Action: Neutralizing Acids and Bases
A lab activity where students will neutralize and acidic solution with a base and a basic solution with an acid by using their knowledge of a red cabbage indicator. This site includes teacher and student instruction for the lab activity...
TOPS Learning Systems
Tops Learning Systems: Top Science: Cabbage Chemistry [Pdf]
Experiment using water from boiling red cabbage to determine if a material is an acid, a base, or neutral.
Other
Siemens Science Day: Earth Science: By All Indications
A hands-on science experiment where students test acidity levels by using red cabbage extract and learn the acid levels of known and unknown liquids.