This Power Point gives brief and introductory explanations and visuals of the Triassic, Jurrassic, and Cretaceous periods. For each period the slide show includes the years of each pre-historic period, how the land areas were created through the supercontinent stages of Pangaea, what the climate was like during each pre-historic period, the types of plants that were evident during each period, the dinosaurs that leived in each age, and other animals that roamed the Earth.
This slide show provides a great introduction to dinosaurs for individuals, and both small and large groups.