How do people transport fresh water long distances to ensure everyone has access to it? The final instructional activity in the 10-part Fresh Solutions unit encourages individuals to design their own solution, or solutions, to that very...

Students experiment with a solar still. For this distillation lesson, students find a simple way to use evaporation to make salty water drinkable.

Students complete activities where they observe the amount of freshwater in the world as a fraction of the actual amount of water using different mixtures. In this freshwater lesson plan, students brainstorm on how to preserve...