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Western Oregon University: Earth System Science: Geologic Time [Pdf]
An 81-page slideshow that looks at the principles of geology with respect to relative dating, at different concepts describing geological processes, at absolute age and radiometric dating, at the eons and eras in the geologic time scale,...
Science Education Resource Center at Carleton College
Serc: Investigating the Geologic Time Scale: Trends in Geologic Time
In this Earth Science indoor laboratory inquiry, students will create their own geologic time scale based on observation of teacher supplied, historically correct fossil data and also relevant rock samples with the age of the rock sample...
Other
Virtual Fossil Museum: Fossils Across Geological Time and Evolution
Learn about fossils throughout geological time. Includes images of different types of fossils.
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...
Other
Fossil Museum: Geologic Time
Pictures of fossils are arranged in chronological sequence and by geologic period. Pictures include scientific names and location where the fossils were found.
US Geological Survey
Usgs: Geologic Time
This large U.S. Geological Survey site offers a look at the age of the earth, how radiometric dating is used to calculate it, the major divisions of geologic time, and the classification and use of fossils.
US Geological Survey
U.s. Geological Survey: Fossils, Rocks, and Time
Publication delves into the importance of studying the Earth's history and how we go about doing it. View pictures and diagrams showing the geological time scale and fossil succession.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Mud Fossils
In this instructional activity young scholars will look at the major divisions of geologic time and learn about the fossils and forms of life which existed during those periods, helping them to understand how the age of rocks are preserved.
US Geological Survey
Usgs: Fossils and Rocks
Part of an online publication offered by the U.S. Geological Survey, this articles sheds light on how studying fossils became an important part of understanding geologic time.
American Geosciences Institute
American Geosciences Institute: Fossils
Seven hands-on lessons module where students learn about fossils. These inquiry-based investigations explore how fossils form, properties of fossils, comparing fossils, how they show the age of the Earth, and what paleontologists do.
Science Education Resource Center at Carleton College
Serc: Layer Cake Geology
Using a cake analogy, this activity teaches concepts such as: geologic time, rock layers, fossils, Law of Superposition, and relative dating. Activity can be modified to grade level and appropriate content for learners,
University of Oxford (UK)
Oxford University Museum of Natural History: The Learning Zone: Fossils
This excellent website walks students through the basics of understanding fossils. It emphasizes that most common fossils would be invertebrates and, after learning more about these life forms, students can choose to take a quiz. The...
Georgia Department of Education
Ga Virtual Learning: Historical Geology
In this interactive tutorial you will explore how geologists use clues in rocks to determine the order in which rocks formed. Learn how principles of radioactivity are used to assign actual ages to rocks. Students will explore fossils...
Curated OER
National Park Service: Fossils in Time Unit
In this lesson, students learn about the earth's past by studying clues that have been left behind, such as fossils and rocks. Students will find the answers to many questions: What is paleontology?, What is geological time?, What can we...
ClassFlow
Class Flow: Life & Geologic Time
[Free Registration/Login Required] This Flipchart accompanies chapter 14 in the Glencoe Earth Science text. The flipchart contains pictures that help students learn about Geologic time: Paleozoic, Mesozoic, Cenozoic and explains...
University of California
Ucmp: Online Exhibits
Visit the virtual exhibits at this site to learn more about paleontology, the history of the earth, and life on earth. Use the information on this site to understand geology, geologic time, evolution, and phylogeny.
CK-12 Foundation
Ck 12: Biology: History of Life
[Free Registration/Login may be required to access all resource tools.] Describes how scientists learn about the past by examining and dating fossils.
Science Education Resource Center at Carleton College
Serc: Geo Logic: Lagerstatten and Unique Fossils
With GEOLogic questions, young scholars are asked to match several unique fossils with the sites and locations where they were found, as well as their geologic age.
CK-12 Foundation
Ck 12: Biology: History of Life
[Free Registration/Login may be required to access all resource tools.] This comprehensive lesson by CK-12 explains how scientists learn about the past by examining and dating fossils.
Science Education Resource Center at Carleton College
Serc: Adventures at Dry Creek
This educational module enables students (5-12) to experience ongoing research of University of California paleontologists studying about life in Montana 60-70 million years ago. It gives students the opportunity to experience the...
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.
Smithsonian Institution
Smithsonian Learning Lab: Prehistoric Climate Change and Why It Matters Today
A slideshow will introduce the process of climate change that the earth has experienced since the beginning of time. Discover "leaf margin analysis" which scientists use while studying fossils to determine the temperatures they were...
New York Times
New York Times: Science
[Free Registration/Login Required] The New York Times maintains daily coverage of the latest in environmental news, including geology, global warming, wildlife and earthquakes.
Exploratorium
Exploratorium: Chaco Canyon: Observation: How Old Is It?
How is time read on the stone of the Chaco Canyon? Find out systems geologists have for dating rocks and fossils.