Trace the Geologic Timeline of Our Planet.
The history of the Earth from the Precambrian Era to the present is illustrated with full-color video footage and animation, helping students to understand which geologic and biologic developments took place in each era and period over the millions of years of Earth’s existence. The program also explains how scientists developed their theories about the history of the planet. It comes with study guide and worksheets. Duration: approximately 30 minutes.