Other
University of California Museum of Paleontology: Paleontology Portal
Portal of the University of California Museum of Paleontology provides access to the museum's extensive research resources and fossil holdings. Includes career preparation advice for future paleontologists and a series of links to...
Georgia Department of Education
Ga Virtual Learning: Earth and Life History
In this amazingly comprehensive tutorial you will learn about the geological and environmental changes that occurred during the geologic time scale.
Center for Educational Technologies
Earth Floor: Geologic Time
This is a nice explanation of geologic time and Earth's major eras. Although this site is designed for younger students, it is mostly text with few images.
Georgia Department of Education
Ga Virtual Learning: Geologic Time and Correlation
In this amazing interactive tutorial you will learn about what methods are used by geologists to learn about the history of the Earth. Investigate a geologic time scale and learn about how scientists have developed and organized a record...
University of California
University of California Museum of Paleontology: Geologic Time
Learn about geologic time, including the age of the Earth by putting it in terms of pages in a book.
Other
Digital Library for Earth System Education (Dlese)
This resource provides materials for teachers on a huge array of topics. Search site by topic, grade level, and desired output (such as lesson plan, case study, assessment or tutorial). Site is focused on earth science, geography, and...
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...
Other
Digital Library for Earth System Education
This site from Digital Library for Earth System Education provides materials for students and teachers on a huge array of topics. Search site by topic, grade level, and desired output (such as lesson plan, case study, assessment or...
University of California
University of California Museum of Paleontology: Uniformitarianism
Read about the pioneers in Earth's geologic history and their discovery of how the process of uniformitarianism shaped the study of evolution.
Encyclopedia of Earth
Encyclopedia of Earth: Geology: Petroleum Crude Oil
Article explaining what petroleum crude oil is, its composition, how it is formed, sources, how it is recovered, different classifications, products made from it, and its history. Includes a chart showing statistical information for...
ClassFlow
Class Flow: The Earth's History
[Free Registration/Login Required] This flipchart is a lesson on the geologic history of the Earth. It covers the four main eras of the geologic time scale: Precambrian, Paleozoic, Mesozoic, and Cenozoic. Characteristics of each era are...
University of California
Univ. Of Cal Berkeley: The Comet's Tale
Site provides extensive information in the study of comets. Includes excellent graphics that depict what comets look like as they travel through the solar system. Also includes information on how comets may have effected the Earth's...
Estrella Mountain Community College
Online Biology Book: Paleobiology: Fossils and Time
Find out how fossil evidence has been the major link to learning about Earth's geologic history. See several illustrated interpretations of a geologic time scale in this online biology textbook.
CK-12 Foundation
Ck 12: Earth Science: Determining Relative Ages
[Free Registration/Login may be required to access all resource tools.] Distinguishes how to tell which rock unit is older than the ones around it and so reveal the geologic history of the region.
National Science Foundation
National Science Foundation: Ice Core Facility (Nsf Icf): About Ice Cores
A fantastic resource for learning about how ice cores are collected, the information we can learn from them about Earth's climate history, the types of research being done with them, and how they are stored. Includes lots of videos.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Geologic Time Scale Analogy
Introduce students to the vastness of geologic time and the concept of scale.
Other
Hstry: Origin of the Earth
Engaging and interactive timeline with illustrations and video on the origin of the Earth takes us from the Archean Era to the Cenozoic.
CK-12 Foundation
Ck 12: Earth Science: Early Atmosphere and Oceans Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the early atmosphere and oceans. Review questions are included at the bottom of the study guide.
CK-12 Foundation
Ck 12: Earth Science: Determining Relative Ages Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on determining relative ages. Review questions are included at the bottom of the study guide.
CK-12 Foundation
Ck 12: Earth Science: Correlation Using Relative Ages Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on correlation using relative ages. Review questions are included at the bottom of the study guide.
Other
Planetary Society: Relative and Absolute Ages in Histories of Earth and the Moon
A lengthy scholarly article that discusses the geologic time scale, its history of development, age-dating events that occurred in different eras, and how absolute and relative dating are used to assess the ages of the Earth and Moon....
University of California
University of California Museum of Paleontology: Geology and Geologic Time
This site provides information about the geologic relationships of rock layers, as well as much about geologic time and the history of Earth.
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.