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In this activity, learners explore how salt water freezes in comparison to fresh water.

In this activity (located on page 6 of the PDF), learners explore the ways people access water in their homes.

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

No glue is needed for learners of any age to become marshmallow architects or engineers.

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