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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 introductory demonstration and activity, learners are introduced to the concept of density as they explore a rock and a wooden block in 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 activity, learners build rockets and shoot them into the air by stomping on the plastic bottle launchers.

Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?

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

In this activity, learners explore sound by constructing a simple piano out of wood and craft sticks.