An introduction to the history of the earth from its formation to the present, including the development of the earthís interior, crust, oceans, climate, continents, mountains and glaciers. In addition to the abiotic history of our planet, prevailing scientific theories on the origins, evolution and diversity of life (from bacteria to dinosaurs) on earth will be examined. Emphasis is placed on developing skills in both spatial and temporal cognition. Lectures are enhanced by field trips. Prerequisites: BIO 101 or equivalent. Offered every spring semester.