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Learners explore water adhesion and learn about why water molecules are more strongly attracted to some substances than others.

Water sticks to all kinds of things in nature — flowers, leaves, spider webs - and doesn't stick to others, such as a duck's back.

In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water.

In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water.

In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.