Curated OER
The Influence of Human Activity on the Environment
The surge in human population in the last 2,000 years, due in large part to better health care, has brought a surge in the demand for resources and in pollution. The graphics, photographs, and real-life examples in a thought-provoking...
Curated OER
Hopi Agriculture
Students discuss the farming practices of the past and present of the Hopi people and discuss the importance of corn. In this Hopi agriculture lesson plan, students also plant their own seeds of corn.