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In this activity, learners explore the forces at work in water. Learners experiment to find out what happens to pepper in water when they touch it with bar soap and liquid detergent. Use this simple activity to demonstrate the principles of surface tension. [Activity is publicly available through a web crawler capture on Archive.org.]
- Under 5 minutes
- 5 to 10 minutes
- $1 - $5 per student
- Ages 8 - 18
- Activity, Demonstration
- English
Quick Guide
Materials List (per student)
- tray, plate or dish
- pepper
- soap
- liquid detergent
Subjects
-
Earth and Space Science
-
Earth Structure
- Oceans and Water
-
Earth Structure
-
Physical Sciences
- Chemistry
-
States of Matter
- Liquids
- Structure and Properties of Matter
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
-
The Scientific Process
Informal Categories
- Food and Cooking
Audience
To use this activity, learners need to:
- see
- touch
Learning styles supported:
- Involves hands-on or lab activities