Curated OER
Biodiversity: El Imposible National Park, El Salvador
Fifth graders explore the concept of how the more diverse an ecosystem is, the more interdependence of species exists within that system. The complex relationships among diverse species are difficult to identify. As species disappear or...
Curated OER
Boundaries
Pupils identify and analyze the boundaries which exist between urban and rural, wildness and country and among rural areas, country, town, and city. Students actively participate in planning, obtaining materials, setting goals and...
Curated OER
Why Do Governments Exist? Locke, Hobbes, Montesquieu, and Rousseau
Here is a great secondary source reading that includes the primary ideas and philosophies of the famed Enlightenment philosophers: Thomas Hobbes, John Locke, Charles Montesquieu, and Jean-Jacques Rousseau. In additional to discussing...