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In this activity, learners explore acid and bases as they create their own invisible ink out of baking soda and grape juice. This activity includes step-by-step instructions, a video to guide learners, and a "what's going on" section that explains the science behind the activity. This activity includes low-cost materials and can be done at home.
- Under 5 minutes
- 10 to 30 minutes
- $1 - $5 per student
- Ages 4 - 18
- Activity
- English
Quick Guide
Materials List (per student)
- baking soda
- water
- 2 bowls or cups
- grape juice concentrate
- Q-tips
- cotton balls
- white paper
Subjects
-
Physical Sciences
-
Chemistry
- Chemical Reactions
-
Chemistry
Informal Categories
- Crime Science
Other
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Access Rights:
- Free access