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Bubbles: Using Controls

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In this experiment, learners use JOY liquid detergent and glycerin to make the largest bubble they can that lasts 15 seconds.
Over $20 per group Ages 4 - adult 10 to 30 minutes

Soda Geyser

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In this quick activity (page 1 of PDF under SciGirls Activity: Lift Off), learners will use the ever-popular soda geyser experiment to test the reactivity of the various sugar candies or mints.
$1 - $5 per group Ages 8 - 14 10 to 30 minutes