Light Soda

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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.

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
5 to 10 minutes
Estimated Materials Cost:
$1 - $5 per student
Age Range:
Ages 11 - 18
Resource Type:
Activity
Language:
English

Materials List (per student)

  • Dry ice
  • Cup
  • Cooler or other insulated container

Keywords

Subjects

  • Life Sciences
    • Human Senses and Perception
      • Taste
  • Physical Sciences
    • Chemistry
      • Solutions
    • States of Matter
      • Solids
      • Gases
      • Changes of Phase
    • Structure and Properties of Matter
      • Volume and Density
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations

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