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In this activity, learners will create a model rocket out of an inflated balloon attached to a straw on a taught string.

Learners blow into balloons and collect their breath--carbon dioxide gas (CO2). They then blow the CO2 from the balloon into a solution of acid-base indicator.

In this demonstration, learners compare and contrast regular water ice to dry ice (frozen carbon dioxide). Both samples are placed in a solution of acid-base indicator.

In this activity, learners make plates levitate! Learners build "hovercrafts" using simple materials to explore friction and motion.