As an example of nature's water filtering system, young ecologists conduct an experiment in the lab. They construct a funnel out of a plastic bottle, fill it with specified layers of materials that simulate layers of soil, then run muddy...

Students investigate the meaning of potable water and water reuse. They define water quality and quantity problems. They complete worksheets, a quiz and design a poster.

Learn about the safety of drinking water, find information on agencies that oversee our water, and gain access to the current drinking water standards and regulations.