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In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.

In this activity, learners construct a simple electrolysis device. With this device, learners can decompose water into its elemental components: hydrogen and oxygen gas.

This three-part lab helps learners understand the essential principles governing diffusion and osmosis.

This experiment allows learners to experience a small scale "epidemic," demonstrating the ease with which disease organisms are spread, and enables learners to determine the originator of the "epidemi