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In this activity on page 15 of the PDF, learners measure the amount of bubbles that they make using a detergent. Learners investigate whether adding Epsom salt to the solution affects its "sudsiness"--an important attribute of soap, since sudsy bubbles help soap clean greasy dirt. Use this activity to explore how chemicals can change a material's properties and how substances dissolve.
- Under 5 minutes
- 30 to 45 minutes
- $1 - $5 per student
- Ages 8 - 14
- Activity, Experiment/Lab Activity
- English, Spanish
Quick Guide
Materials List (per student)
- 3 disposable, clear plastic bottles with caps (20-ounce soda bottles work well; the bottles should be the same size and shape)
- Ruler
- Permanent marker
- Distilled water
- Food coloring (optional)
- Measuring spoons
- Liquid dishwashing detergent
- Epsom salt
- Clock or timer with second hand
Subjects
-
Engineering and Technology
-
Engineering
- Chemical Engineering
- Metallurgy and Materials Engineering
-
Engineering
-
Physical Sciences
-
Chemistry
- Chemical Bonding
- Chemical Reactions
- Solutions
-
States of Matter
- Solids
- Liquids
- Structure and Properties of Matter
-
Chemistry
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
- Gathering Data
- Formulating Explanations
- Communicating Results
-
The Scientific Process
Audience
To use this activity, learners need to:
- see
- read
- touch
Learning styles supported:
- Uses STEM to solve real-world problems
- Involves hands-on or lab activities
Other
Foreign language versions of this resource:
Access Rights:
- Free access
By:
- Department of Volunteer Support, American Chemical Society
Rights:
- All rights reserved, American Chemical Society, 2011