Fourth graders engage in this interactive instructional activity which illustrates diffusion and osmosis and shows them that molecules of life move dynamically and powerfully. They must analyze their lab orally and in writing.

Students place themselves in the position of a water molecule, ice molecule, or steam molecule and then describe the process of changing phase.

In this Chemistry 1A activity, students review, molecular weight, solubility, endothermic reactions, and number of protons, neutrons, and electrons for elements. Students review Lewis Structures and how to predict the amount of product...