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Lesson Plan
Curated OER

RHS Campaign for School Indicator

For Teachers 4th - 9th
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. 
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Activity
American Chemical Society

Inquiry in Action: Color Changes With Acids and Bases

For Teachers 9th - 10th
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.
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Activity
American Chemical Society

Inquiry in Action: Neutralizing Acids and Bases

For Teachers 9th - 10th
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...
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Activity
TOPS Learning Systems

Tops Learning Systems: Top Science: Cabbage Chemistry [Pdf]

For Students 9th - 10th
Experiment using water from boiling red cabbage to determine if a material is an acid, a base, or neutral.
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Activity
Other

Siemens Science Day: Earth Science: By All Indications

For Teachers 9th - 10th
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.