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In this activity, learners use a pneumatic trough (see related activity) to generate and collect pure oxygen.

In this activity, learners build a "pneumatic trough," a laboratory apparatus used for collecting pure gas samples over water.

In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.

In this chemistry meets cooking activity, learners compare the stability of egg white foams with various additives.

Learners observe a flask with a balloon attached over the mouth and inverted inside the flask.

In this activity, learners make different shapes that hold exactly one mole of gas (air).