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This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water.

Learners build models of sinkholes to gain an intuitive knowledge of their physical aspects.

In this crafty chemistry activity (on page 2 of the PDF), learners make their own paper from used paper they may have otherwise thrown away.

Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.

Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.