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In this activity, learners sublimate dry ice and then taste the carbon dioxide gas. Learners will be surprised to discover CO2 dissolves into carbonic acid in their mouths, creating a flavor similar to soda water or carbonated water. With no usable calories this really is a light soda.
- Under 5 minutes
- 5 to 10 minutes
- $1 - $5 per student
- Ages 11 - 18
- Activity
- English
Quick Guide
Materials List (per student)
- Dry ice
- Cup
- Cooler or other insulated container
Subjects
-
Life Sciences
-
Human Senses and Perception
- Taste
-
Human Senses and Perception
-
Physical Sciences
-
Chemistry
- Solutions
-
States of Matter
- Solids
- Gases
- Changes of Phase
-
Structure and Properties of Matter
- Volume and Density
-
Chemistry
-
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
- taste
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
This resource is part of:
Access Rights:
- Free access
By:
- Muller, Eric
Rights:
- All rights reserved, Exploratorium, 2004