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This Basically Acidic Ink activity also includes:
- Basically Acidic Ink Lab Sheet (.pdf)
- Lab & Experiment
- Vocabulary
- Join to access all included materials
If you don't want to drink red cabbage juice, here's another use for it—a decoder! Using vinegar and ammonia-based window cleaning liquids as invisible inks, scholars create designs in the second lesson of the series. Red cabbage juice becomes the key to uncovering the designs.
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Concepts
Additional Tags
Instructional Ideas
- Have learners write secret messages to each other in invisible ink
Classroom Considerations
- A variety of liquids is necessary, such as red cabbage juice; see materials section for complete list
- Be sure to check district policy before showing video clips of movies
Pros
- Provides a list of investigating questions to use with pupils during discussion and activity
- Activity is fun and engaging
Cons
- None