Basically Acidic Ink

Each group needs:

• 6 small, cup-like containers
• 3 cotton swabs
• pipette
• spoon
• index card, one per person
• pencil, one per person
• Basically Acidic Lab Sheet (PDF), one per student

To share with the entire class:

• lemon juice
• ammonia-based glass/window cleaner
• vinegar
• baking soda
• red cabbage juice