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In this activity, learners use detergent solution to compare two solutions containing vinegar and cream of tartar. By comparing the number of drops used to return each solution back to its blue color, learners can discover which solution initially contained more acid. This activity can be used as a follow-up to the activity entitled" Neutralizing Acids and Bases" from the same resource (see related resources). [Activity is publicly available through a web crawler capture on Archive.org. Activity write-up only, images are unavailable.]
- Under 5 minutes
- 10 to 30 minutes
- 1 cent - $1 per group of students
- Ages 6 - 14
- Activity, Experiment/Lab Activity
- English
Quick Guide
Materials List (per group of students)
- Red cabbage indicator
- Cream of tartar
- Vinegar
- Laundry detergent solution
- 3 Clear plastic cups
- 3 Small cups
- 2 Droppers
- 1 Toothpick
- 1 Tablespoon
- Permanent marker
- White piece of paper
- Student Activity Sheet
Subjects
-
Mathematics
-
Measurement
- Units of Measurement
-
Measurement
-
Physical Sciences
-
Chemistry
- Chemical Reactions
- Acids and Bases
- Solutions
-
Chemistry
-
The Nature of Science
-
The Scientific Process
- Asking Questions
- Conducting Investigations
- Gathering Data
- Formulating Explanations
-
The Scientific Process
Informal Categories
- Food and Cooking
Audience
To use this activity, learners need to:
- see
- see color
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Components that are part of this resource:
- Related Activity: Neutralizing Acids and Bases
- Student Reading: What's Going On?
- Extension: Think About It
This resource is part of:
Access Rights:
- Free access
By:
- Kessler, James H. ; Galvan, Patricia M.
Rights:
- , American Chemical Society, 2007