Curated OER
What are the Chemical and Microbiological Effects of Run-off from a Catfish Pond on the Surrounding Soil and Water?
Students study data from a USDA catfish pond. They look for microbial populations and chemical concentrations in the runoff to determine the effectiveness of filter strips. They use their knowledge of biogeochemical cycles to explain the...
Curated OER
Correlation Chapter 1
Students compare ways in which people form different cultures think about and deal with their physical environment and social conditions. They identify examples of change and recognize examples of cause and effect relationships. Students...