Curated OER
What's in the Water? - Stream Side Science
Here is a complete activity in which young biologists or ecologists test the pH, dissolved oxygen, turbidity and temperature of stream water. The class visits an actual stream and makes observations of the site. They use scientific...
Curated OER
The Effects of Agricultural Fertilizer Runoff Upon Aquatic Ecosystems
Students measure the toxic levels of runoff and discuss the effects it would have on the aquatic system. For this runoff lesson plan, students answer questions to how runoff would affect the animals in an aquatic system.