Curated OER
The Captain And Lake Wilmar
Tenth graders examine the ecosystem of Lake Wilmar through three coordinated performance tasks. They first investigate the effects of pH on freshwater animals by comparing the zooplankton counts from three different areas. They then...
Curated OER
Best Management Practices for Water Quality
Fourth graders examine best management practices for water quality. In this water quality instructional activity, 4th graders explore unused land to identify areas of runoff, erosion, and effects of water flow. Students...
US Environmental Protection Agency
Epa: Acid Rain
Explore more about acid rain. This is an online experiment to observe "The influence of acid rain on plant growth." Find out how acid rain can damage your plants directly and indirectly.