Inspiration Video
Preparation
- Red cabbage
- Boiling water
- A pyrex container or bowl that can take boiling water
- Some beakers / clear glasses / vials
- Sieve
Creating the indicator
- Add a quarter of the red cabbage to the bowl or pyrex container
- Pour boiling water
- leave for 20 minutes
- sieve out the cabbage
- take the water solution and allow to cool down
Presentation (the actual presentation in school)
Requirements
- Need a bottle with the red cabbage solution
- Bottle with vinegar – ideally white vinegar
- Bottle of water from tap – make sure to know how to diffenrentiate between this and the vinegar
- Note: sparkling water is acidic
- Soap or a cleaning fluid or milk for the alkaline solution
- Beaker or pyrex jug
- A red cabbage to reveal at the end
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