Can you imagine Washington DC and London as close neighbors occupying the same continent? Learners will be fascinated as they step back in time and discover the evolution of the earth's continents and oceans from 4.5 billion...

Students use fossil leaves and a mathematical formula to study climate change. In this climate change and fossil lesson plan, students determine the differences in temperatures during two different times during the Cenozoic era using...

Describes the different periods, epochs, and stages of the Cenozoic Era and the events that took place in them. Looks at geology and tectonic plate movements, climate, flora and fauna, and the emergence of mammals as the dominant life...

Article describing the Pliocene Epoch, which lasted from 5.3 million to 1.8 million years ago, and was part of the Cenozoic Era. It covers subdivisions of the Pliocene, geology, and climate. (Published: January 20, 2010)

In a lesson in this issue of Smithsonian in Your Classroom, students do the work of a team of paleontologists studying a time of rising carbon dioxide and rapid global warming during the Eocene epoch. By examining fossils of tree leaves,...

An overview of the geography and geology covering the landscape of what is now the state of Arkansas.Both have had important influences on the history and cultural development of Arkansas.

Travel through Earth's history to learn about the Oligocene time period, which is characterized by the appearance of most of the living families of mammals.

Delve into the Tertiary Period portion of the Evolving Planet exhibit, and trace the climate and continental shift during this time. Includes an overview of the period, a collection of images, and a look at the Tertiary Period's...