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COSI's Bubble Recipe
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Everybody loves bubbles, and this is the best bubble recipe ever!

Burst a Bubble
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In this activity, learners will create their own bubble solution. Learners will explore chemistry, geometry and trial and error through this activity.

Soap-Film Interference Model: Get on our wavelength!
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By making models of light waves with paper, learners can understand why different colors appear in bubbles.

Changing the Density of an Object: Adding Material
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Learners 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.

Formation of a Precipitate
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Learners create hard water by mixing Epsom salt and water. Then they compare what happens when soap solution is mixed with hard water and regular water.

Tempest in a Teacup
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In this hands-on activity, learners determine the types of chemical reactions achieved when combining different household products.

Potion Commotion
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In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.

Production of a Gas: Controlling a Chemical Reaction
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Learners mix vinegar and baking soda to produce a gas. With the addition of a bit of liquid soap, the gas becomes trapped in measurable bubbles.