Sat Science - Mass Extinctions
Saturday, April 20, 2013 from 1:00 PM to 2:00 PM (PDT)
Fremont, United States
San Francisco, California
London, United Kingdom
April 20– Mass Extinctions What happened to the dinosaurs?How did they go extinct?Learn about mass extinctions, new environments, and the shift from large reptiles to large mammals!Make dioramas of different environments.