Students determine what percentage of the Earth is water and how much water is needed by humans.
K - 4th Social Studies & History 3 Views 17 Downloads
Scholars build a simple filtration system to remove impurities from muddy water and rate the filtered water to a grade of clarity scale. The focus is on teamwork and problem solving. This lesson would be effective in your STEM curriculum...
3rd - 12th Technology & Engineering CCSS: Adaptable