Let the bubbles tell the story. Using a hands-on lesson, budding scientists learn how carbon dioxide in soda interacts with objects placed in the soda. The lesson explains how the gas adheres to the surface of the objects based on the microscopic view of the surface.

Concepts

carbon dioxide, bubbles, gases, liquids

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Instructional Ideas

• Use as an example of liquid-gas mixtures
• Bring in a Soda Stream or similar device to demonstrate how carbon dioxide can combine with liquids

Classroom Considerations

• Allow time to collect and prepare necessary materials

Pros

• Supports content with images
• Provides a detailed teaching guide

Cons

• None