Soap Bubbles

Soap Bubbles

Soap bubbles are difficult to examine because of their fragility and short life. However, because they are very light, soap bubbles will float on a gas that is only slightly denser than the air that fills them. Such a gas is carbon dioxide. When soap bubbles settle into a container of carbon dioxide, the bubbles float on the carbon dioxide and can be examined closely.

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Experiments you can do at home

Welcome to Dr Hal's Backyard Science, experiments you can try at home. These are experiments that you can try in your garden or house with parental permission and supervision. Each of them comes with some health and safety instructions that an adult must read. The text is reproduced by kind permission of Education in Chemistry a journal of the Royal Society of Chemistry.

The Experiments:

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