Curated OER
Microbes From a Hay Infusion
Students observe, over time, microbes such as amoebas, protozoa, rotifers and insect larva. They create a hay infusion culture using pond water then sample and record organisms found over a two week period.
Curated OER
Discovering the Oasis
Fourth graders investigate riverbanks and oxbox ecosystem at the Truckee River. They observe the plants, animals, insects and water organisms located there. Students document water samples, flow and then categorize them in class. This...