Activity
Cosi Columbus: Buoyant Bubble [Pdf] Activity
Center of Science and Industry

Cosi Columbus: Buoyant Bubble [Pdf]

For Students 3rd - 8th
Learn about density in this hands-on science experiment. Includes full list of materials, procedures, and scientific explanation of what makes an object float or sink. [PDF]
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Activity
Inquiry in Action: Changing the Density of an Object: Adding Material Activity
American Chemical Society

Inquiry in Action: Changing the Density of an Object: Adding Material

For Teachers 9th - 10th
In this activity, students see that a can of regular cola sinks while a can of diet cola floats. As a demonstration, bubble wrap is taped to the can of regular cola to make it float. This high-volume but light-weight material increases...
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