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
Pond Life
Environmental explorers create an experiment related to ponds and then present their finding to the class. This resource is extremely open-ended. It needs more concrete objectives and procedures for meeting them.