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In this activity about ramps, learners explore and measure the rate at which spherical objects roll down a ramp.

In this demonstration, learners explore the thermal properties of rubber. Learners investigate whether a rubber band contracts or expands when heated.

Are balloons porous or non-porous? In this activity, learners watch an entertaining Mr. O video and conduct a simple experiment to find out.

This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

In this activity, learners simulate the separation techniques that materials recovery facilities (MRFs) use and then design their own series of recycling techniques.

Learners develop an understanding of air pressure in two different activities.