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In this design challenge, learners use their creativity and imagination to design and test a wildlife crossing for their favorite animal.

In this water activity, learners discover ways to move water across the water table.

In this activity, learners compare and contrast their own skin (including the area covered) with that of an orange.

In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story.

In this activity, learners will create a magnifying glass called a waterscope, using water and household items, to examine various objects.

In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.

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 explore how water drops behave on different surfaces.

In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.