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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 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 activity, learners use plastic water bottles, wood, and water to build an inexpensive and portable tool to demonstrate one atmosphere of pressure at sea level.

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