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

In this activity about water's cohesive and adhesive properties and why water molecules are attracted to each other, learners test if objects repel or absorb water.

Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

In this activity, learners visualize the differences in water density and relate this to the potential consequences of increased glacial melting.

In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.

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

In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting.