Universal Indicator Rainbow Trout
Source Institutions
-
American Chemical Society
Add to listGo to activity
In this activity on page 2 of the PDF, learners discover how color changes can help scientists distinguish between acids and bases. Learners create colorful rainbow trout artwork using universal indicator solution and various household liquids. Safety note: learners must wear safety goggles.
- Under 5 minutes
- 10 to 30 minutes
- $10 - $20 per student
- Ages 6 - 11
- Activity
- English
Quick Guide
Materials List (per student)
- Universal indicator solution (available from chemical supply houses)
- Lemon juice
- Liquid laundry detergent
- Index card or piece of acid-free cardstock with non-shiny finish
- Rainbow trout pattern
- Paintbrush
- Cotton swabs
- Water
- 3 small plastic cups
- Paper towels
- Pencil, pen
- Scissors
- Teaspoon
- Chemical safety goggles
Subjects
- Physical Sciences
- Chemistry
- Chemical Reactions
- Acids and Bases
- Solutions
- Light and Optics
- Sunlight and Color
- Chemistry
- The Nature of Science
- The Scientific Process
- Conducting Investigations
- The Scientific Process
Informal Categories
- Animals
- Arts and Crafts
- Food and Cooking
Audience
To use this activity, learners need to:
- see
- see color
- touch
Learning styles supported:
- Links STEM to other topics of interest such as arts and humanities
- Involves hands-on or lab activities
Other
Access Rights:
- Free access
By:
- Office of Community Activities, American Chemical Society
Rights:
- All Rights Reserved, American Chemical Society, ©2001
