Curated OER
Investigating Our Past: Where Did Humans Come From?
Investigate the theories of human evolution. In this research based instructional activity, learners research and discuss how geographic isolation, interbreeding, generalization, and specialization are factors in the history of humans....
Curated OER
Plants of the Past
Fourth graders explore ecosystems by examining plants of the past. They discuss ways in which we interact with plants in our daily lives. Students discuss the role plants play in providing food for animals and the significance they had...