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Use grape juice, baking soda, water and vinegar to make acid and base indicator paper! This activity contains a recipe and instructions for the indicator paper. Once made, you can see the indicator paper change color by painting with acids or bases.
- Under 5 minutes
- 10 to 30 minutes
- 1 cent - $1 per student
- Ages 4 - 11
- Activity, Experiment/Lab Activity
- English
Quick Guide
Materials List (per student)
- 237 mL (1 cup) grape juice
- 118 mL (1/2 cup) vinegar
- 237 mL (1 cup) of water
- 30 mL (2 tbl) baking soda
- paintbrush
- 3 plastic cups
- white construction paper
Subjects
-
Physical Sciences
-
Chemistry
- Chemical Reactions
- Acids and Bases
- Solutions
-
Chemistry
Informal Categories
- Arts and Crafts
Audience
To use this activity, learners need to:
- see
- see color
- read
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
This resource is part of:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, Science Museum of Minnesota, 1995
Funding Sources:
- Unisys
- Science Learning Network
- National Science Foundation