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In this design-based activity, learners explore environments, ecosystems, energy flow and organism interactions by creating a model biodome. Learners become engineers who create model ecosystems.

In this activity, learners investigate how plants use water. By making the flowers change color, learners see how water moves up the stem to the leaves and the flowers.

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

In this activity, learners investigate passive solar building design with a focus solely on heating.