Curated OER
Soil Microbiology- Nitrogen cycle
Students take a virtual trip to a Catfish Aquaculture Pond and analyze soil bacteria to determine how many nitrogen cycle bacteria are present. They graph the number of colonies present and use data to determine ammonium levels in the soil.
Curated OER
Microbial Influence on Earth's Systems
Learners identify the different biogeochemical cycles on Earth. In this biology activity, students observe microbes under a microscope. They compare and contrast respiration and photosynthesis.
Curated OER
Soda Bottle Compost: Nutrient Cycling in Action
Young scholars explore and observe significant contributions to wildlife and measure soil nutrient capacity by performing simple tests to determine the amount of phosphorous. They assess the importance of making and recording detailed...
Curated OER
Daily and Seasonal Cycles
First graders identify the sun as a source of heat and light. They identify features of houses that help keep use sheltered and comfortable throughout daily and seasonal cycles. Students are told that summer is the best season to...
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Trophic Relationships, Cycling of Chemicals, Human Impact on Ecosystems and Conservation
Learners explore how the energy flow through a system is related to trophic levels. They investigate how organisms affect the cycling of elements and water through the biosphere. Students participate in lab activities to observe ways...
Curated OER
Introduction To Brine Shrimp
Fourth graders engage in a variety of activities in order to find information about the brine shrimp. The lesson includes background information for the teacher to deliver instruction. They make observations of the shrimp in different...
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Toward a Sustainable Agriculture
Young scholars examine how to use ecological analysis to animal production systems. In this sustainable agriculture lesson students examine where the nutrients flow in a system and complete several activities.
Curated OER
Testing Soils for Garden Planting
Sixth graders collect soil samples and record the location of the samples by using GPS.