Saltwater & Freshwater

Learn about the history of the Great Lakes, what makes them freshwater, not saltwater, and see how Discovery World creates animal exhibits with freshwater or saltwater.

Build Your Own Schooner was part of our Week 11 Theme: Great Lakes. What other projects from this theme did you participate in?

Share your creations with us at

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Inspire the next generation

When you support Discovery World, you help us enhance our experience and enrich the quality of science education in Milwaukee and beyond. From caring for our creatures to feeding hungry minds, your donation makes all the difference.

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