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In this activity, learners observe the hydrologic cycle in action as water evaporates and condenses to form rain right before their eyes.

In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

In this activity, learners explore in what ways the shape of the land and the pull of gravity influence how water moves over Earth.

Learners gain an intuitive knowledge of the physical aspects of watersheds by creating their own watershed models.

“Exploring the Solar System: Ice Orbs” is a hands-on activity in which visitors investigate a frozen orb, trying to learn about objects hidden inside.