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Learners take on the role of environmental engineers as they design water filters.

In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

This experiment is designed to illustrate how fluids, including water, have the ability to flow.

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

In this activity about saturation (page 1 of PDF under SciGirls Activity: Sand Dunes), learners will build a series of sand castle towers using a 16 oz cup.