University of California
Ucmp: Introduction to the Cenozoic
A good brief review of The Cenozoic Era, which also includes links to more detailed information as well as a chart of its subdivisions.
University of California
Ucmp: Web Geological Time Machine
The Museum of Paleontology at Berkeley offers an online geological time machine which allows you to catch a glimpse of ancient eras in earth's history. Click into an "Era" to learn about its stratigraphy, life forms, localities, and...
CK-12 Foundation
Ck 12: Episd: Cenozoic Era the Age of Mammals
[Free Registration/Login may be required to access all resource tools.] The two periods of the Cenozoic Era, Tertiary and Quaternary, granted the mammals the time and space to evolve since the dinosaurs became extinct.
Khan Academy
Khan Academy: Biology: Macromolecules: Orders of Protein Structure
An article that investigates the levels of protein structure. Understand how the order of the protein structure affects its function.
Virginia Tech
Virginia Polytechnic Institute: Greenhouse Dinosaur Extinction Theory
This comprehensive page discusses the Asteroid Impact vs. Volcano-Greenhouse dinosaur extinction debate. It was written by paleontologist, professor, and scientist Dr. Dewey McLean.
Hofstra University
Hofstra University: Transport and Economic Development
This site, geared towards upper-level students, discusses the effects of transportation on the economy and geography. Includes definitions of primary, secondary, tertiary, and quaternary economic activities.
PBS
Nova: A Brief History of Earth
This timeline is a good resource if you are looking for brief descriptions of the geologic periods. Descriptions include pictures of common organisms for each period and the range of time covered by each period.
ClassFlow
Class Flow: Color Theory
[Free Registration/Login Required] This flipchart introduces students to the concept of primary, secondary and tertiary colors. The lesson concludes with an activity in which students create their own color wheel from mixing colors and...