Ecosytems: Water Purification
Students explore how ecosystems purify water and what kinds of things humans do that alter these processes. They use a website to access information on local watersheds and develop a "river" newspaper
6th - 8th Science 3 Views 5 Downloads
Using Water Chemistry as an Indicator of Stream Health
Will this water source support life? Small groups test the chemistry of the water drawn from two different sources. They then compare the collected data to acceptable levels to draw conclusions about the health of the source. The...
8th - 12th Science