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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 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 (page 13 of the PDF), learners discover how weathering and erosion change the Earth’s surface.

In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution.

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.