Curated OER
Eratosthenes
Students examine what Eratosthenes is and the history behind him. In this earth lesson students complete a hands on activity to repeat Eratosthenes' experiment.
Curated OER
The Basilica of the Assumption-A Symbol of Freedom
Fourth graders explore the importance of the Basilica of Assumption and the development of the Catholic Church in Maryland. For this social studies lesson, 4th graders discuss the Basilica of the Assumption and the Catholic Church.