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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 make different shapes that hold exactly one mole of gas (air).

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

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

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