Curated OER
Earthquakes
Students observe the melting of ice. In this phase change lesson, students observe ice as it melts. They discuss the process and create a Venn diagram comparing water and ice.
Curated OER
Science
Seventh graders study the theory of plate tectonics. In this activity lesson students complete an activity to determine how seafloor spreading and volcanoes contribute to solving the plate tectonics puzzle.
Science Education Resource Center at Carleton College
Serc: Investigating the Geologic Time Scale: Trends in Geologic Time
For 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...
CK-12 Foundation
Ck 12: Earth Science: Geologic Time Scale
[Free Registration/Login may be required to access all resource tools.] How the geologic time scale is divided.
CK-12 Foundation
Ck 12: Earth Science: Geologic Time Scale Study Guide
Take a quick look at Earth's geologic time scale.
CK-12 Foundation
Ck 12: Earth Science: Life and the Geologic Time Scale
[Free Registration/Login may be required to access all resource tools.] Describes relationship between evolution and the geologic time scale.
Curated OER
National Park Service: What Is Geologic Time?
A discussion of geologic time, along with a presentation of evidence for the time span involved.
Other
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,...
Talk Origins Archive
Talk Origins Archive: Radiometric Dating and the Geological Time Scale
A lengthy article with lots of information about radiometric dating, including pictures and charts.
The Wonder of Science
The Wonder of Science: Ms Ess1 4: Geologic Time Scale
Work samples, phenomena, assessment templates, and videos that directly address standard MS-ESS1-4: geologic time scale.
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.
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...
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.
CK-12 Foundation
Ck 12: Life Science: 4.12 Geologic Time Scale
Understand the history of the Earth through geologic time.
Australian Museum
Australian Museum: The Geological Time Scale
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.
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.
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.
University of Texas at Austin
University of Texas: Texas Memorial Museum: Understanding Geologic Time [Pdf]
A lesson plan containing two activities for students to gain a better understanding of geologic time scale. The first activity allows students to get a visual of geologic time by role playing events in time on a football field. The...
US Geological Survey
U.s. Geological Survey: Geologic Time
A discussion of geologic time, how scientists use the concept, and how they have determined its span.
National Association of Geoscience Teachers
Nagt: Bringing the Geologic Time Scale Down to Earth in the Students' Backyard
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...
US Geological Survey
Usgs: What Is Geologic Time?
Understand the evidence for ancient earth and the geologic time scale. Learn on this site how the earth can help scientist date discoveries.
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....
Smithsonian Institution
Smithsonian Science Education Center: Time: It's Like, So Deep
This video reviews over geologic time scale and methods to teach this appropriately in the classroom. [9:15]
Science Education Resource Center at Carleton College
Serc: Relative Dating of Geologic Materials
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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