What is a life timeline? Objective Students will be able to visualize the times of important evolutionary events in relation to geological and cultural history. Students will be able to name some of the animals that became extinct at Craters of the Moon. Students will use their imaginations to forecast future events and designate them on a timeline. Background Students complete a time line showing the appearance and extinction of major types of fauna. Students also make forecasts into the future using timelines. (CLASSROOM ACTIVITY) Of the millions, perhaps billions, of species that have lived Duration: 90 Minutes.