This lesson will be broken up into three parts, one part for each geological rock layer during the Mesozoic Era (the Triassic, the Jurassic & the Cretaceous Period). During each part we will discuss how the super continent of Pangea changed over time, how mass extinctions changed the environment, and how animals called the dinosaurs grew to such enormous sizes. Students will also learn that not all dinosaurs lived together, depending on the time period they lived in or where they lived on...