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Lesson Plan
Science Education Resource Center at Carleton College

Serc: Relative Dating of Geologic Materials

For Teachers 6th - 7th
A detailed set of exercises (downloadable) that guide students in developing an understanding of how scientists have created the geologic time scale.
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Website
Australian Museum

Australian Museum: The Geological Time Scale

For Students 9th - 10th
What was Australia like during prehistoric times? Follow through history from 110 million years ago until the present and discover the different mammals, birds, and reptiles.
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Unit Plan
Georgia Department of Education

Ga Virtual Learning: Historical Geology

For Students 9th - 10th
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...
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Primary
Smithsonian Institution

Smithsonian Science Education Center: Time: It's Like, So Deep

For Students Pre-K - 1st
This video reviews over geologic time scale and methods to teach this appropriately in the classroom. [9:15]
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Website
American Geosciences Institute

American Geological Institute: Evolution and the Fossil Record

For Students 9th - 10th
The American Geological Institute has done an excellent job of defining and explaining evolution in this online booklet. Darwin, fossils, natural selection, and change over time are some of the concepts that are covered. Make sure to see...
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Whiteboard
ClassFlow

Class Flow: Life & Geologic Time

For Teachers 6th - 8th
[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...
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Handout
Other

Time Scavengers: Principles of Geology

For Students 9th - 10th
This site was created by two geoscientists. They explain the Principles of Geology. These are general rules, or laws, that are used to determine how rocks were created and how they changed through time. They are also used to determine...
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Unit Plan
University of California

Ucmp: Understanding Geologic Time

For Students 3rd - 8th
A slideshow for teachers and students exploring Earth's geologic timeline and history. Click the buttons at left to select the teacher or student version.
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Lesson Plan
National Association of Geoscience Teachers

Nagt: Bringing the Geologic Time Scale Down to Earth in the Students' Backyard

For Teachers 6th - 8th
This activity is specifically designed for a field trip to Drayton Hall, which is a historic plantation near Charleston, South Carolina. It does provide a model of how a similar activity could be designed for a local area, and there are...
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Lesson Plan
Science Education Resource Center at Carleton College

Serc: My Geologic Address: Locating Oneself in Geologic Time and Process

For Teachers 9th - 10th
Students find a local location on a series of geologic maps (local,regional,and global) working from small to large scale. Map keys and map features are consulted in order to compose a "geologic address" from the most specific to the...
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Graphic
Other

Fossil Museum: Geologic Time

For Students 9th - 10th
Pictures of fossils are arranged in chronological sequence and by geologic period. Pictures include scientific names and location where the fossils were found.
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Handout
Smithsonian Institution

National Museum of Natural History: Paleobiology: Geologic Time: Hadean Eon

For Students 9th - 10th
Journey into the past while reading this comprehensive overview of the Hadean Eon that covers topics such as the formation of the earth, its surface and atmosphere, fossil evidence, erosion and plate tectonics.
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Article
Other

Utah Geological Survey: How Do Geologists Know How Old a Rock Is?

For Students 9th - 10th
Geologists generally know the age of a rock by determining the age of the group of rocks, or formation, that it is found in. The age of formations is marked on a geologic calendar known as the geologic time scale. Development of the...
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Lesson Plan
American Geosciences Institute

American Geosciences Institute: Earth Science Week: It's About Time

For Teachers 5th - 9th
To understand how a geologic time works, students make a personal timeline and compare it to a geologic timeline.
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Website
Curated OER

National Park Service: North Cascades National Park Geology

For Students 3rd - 8th
Resource explores the history and geology of the Cascade Mountains. Content includes a geologic story, virtual field trip, a look at plate tectonics and the rocks & minerals found in the Cascade Mountains, geologic maps, and more.
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Website
University of California

Ucmp: Online Exhibits

For Students 9th - 10th
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.
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Website
Other

Usgs: Geology in the Parks

For Students 9th - 10th
Details regarding the geology of national parks in the United States.
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Website
PBS

Pbs Learning Media: The Wall of Time

For Students 9th - 10th
This illustrated timeline from the Lunar and Planetary Institute provides a journey through four-and-a-half billion years of time from the birth of our solar system to its current existence today.
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Website
Other

Virtual Fossil Museum: Fossils Across Geological Time and Evolution

For Students 9th - 10th
Learn about fossils throughout geological time. Includes images of different types of fossils.
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Article
Other

Planetary Society: Relative and Absolute Ages in Histories of Earth and the Moon

For Students 9th - 10th
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....
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Website
Other

Grand Canyon Geology

For Students 9th - 10th
Photos, illustrations, 3D graphs and animations are part of this investigation into the geology and landforms of the Grand Canyon. Learn detailed information on the formation of the canyon, the rock layers, and the prehistoric life that...
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Handout
Other

Black Hills Institute of Geological Research: All About Fossils

For Students 9th - 10th
The Black Hills Institute of Geological Research is a world-renowned center for paleontology. Here they describe in clear language how fossils are formed and preserved, and what information they give us about the past, particularly in...
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Website
US Geological Survey

Relative Time Scale

For Students 9th - 10th
This is a good resource for anyone who wants to understand the historical development that led to our understanding of relative dating. This site also has links to index fossils and a table of geologic time.
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Lesson Plan
Curated OER

National Park Service: Fossils in Time Unit

For Teachers 5th - 9th
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...

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