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

In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!

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.

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

In this activity, learners explore the great pump in their chests--the human heart!