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"Molecules in Motion" explores how materials behave and change in a vacuum.

In this activity related to indoor air pollution, learners build take-home dust catchers with wax paper and petroleum jelly.

In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.