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It's a Gas!
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In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.
Cloudy Globs: Can You Make a White Gel From Two Clear Liquids?
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Using household materials, learners can make white gooey globs from clear solutions. Alum, dissolved in water, reacts with the hydroxide in ammonia to create aluminum hydroxide.