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In this activity, learners recrystallize substances from solutions and make observations about the resulting crystals. This test can help further identify the unknown.

Learners discover the bubble power of living cells in this multi-hour experiment with baker's yeast. Learners make a living yeast/water solution in a bottle, and add table sugar to feed the yeast.

This activity requires a Pico Cricket (tiny computer).

In this activity with several mini experiments, learners explore the chemistry that helps scientists learn about the environment and how they can help save it.