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In this laboratory activity, learners design an experiment to evaluate how environmental factors influence the growth of molds.

In this activity, learners turn empty 2-liter bottles into a see-through compost container.

This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans.

In this activity related to microbes, learners use water drops and hand lenses to begin the exploration of magnification. This activity also introduces learners to the microscope.

In this astrobiology activity (on page 11 of the PDF), learners consider what organisms need in order to live (water, nutrients, and energy).