Lesson Plan

Invisible Ink - Demonstration

Curated and Reviewed by Lesson Planet

Learners observe a demonstration that shows that the indicator, phenolphthalein, is a chemical that displays different colors depending on either the acidity or the basicity of the environment. They use the substance to reveal secret "invisible" messages.

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Resource Details
Grade
6th - 10th
Subjects
Science
2 more...
Resource Type
Lesson Plans