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In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.

In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.

In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind.

In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs.

In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle.

In this activity, learners create a biosphere in a baggie.