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In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag.

In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

Get all wrapped up in a lesson about skin!

In this design and physics challenge, learners construct a cylindrical wing, fly it, make modifications, and determine how the changes affect flight patterns.

In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.