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What's In Your Breath?
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In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.
Instant Ice Cream with a Dry Ice Bath
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In this chemistry meets cooking activity, learners make carbonated, vanilla ice cream using dry ice and denatured ethanol, which are both inexpensive and accessible.
Soda Brand vs. Height Experiment: Soda Geyser Series #4
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In this activity, learners conduct a controlled experiment to examine which brand of soda makes the best (highest) soda geyser.
Sublimation Bubbles
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"Sublimation Bubbles" allows learners to explore how some solid materials, such as dry ice, can phase change directly from their solid to gaseous form.