PBS
Pbs Learning Media: All Planet Sizes
This illustration from the Lunar and Planetary Laboratory shows the approximate sizes of the planets relative to each other. Note that the planets are not shown at appropriate distances from the Sun.
PBS
Pbs Learning Media: Nisqually Glacier at Mount Rainier
Observe the Nisqually Glacier at Mount Rainier in this video segment from NatureScene. [4:07]
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...
University of California
Ucmp: A Relative Dating Activity
An learning activity to help students grasp the concept of relative dating and geologic time.
Science Education Resource Center at Carleton College
Serc: Relative Dating of Geologic Materials
A detailed set of exercises (downloadable) that guide learners in developing an understanding of how scientists have created the geologic time scale.
Other
Usgs: Geology in the Parks
Details regarding the geology of national parks in the United States.
Smithsonian Institution
National Museum of Natural History: Paleobiology: Geologic Time: The Oligocene
Travel through Earth's history to learn about the Oligocene time period, which is characterized by the appearance of most of the living families of mammals.
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 young scholars,
Vision Learning
Visionlearning: Earth Science: The Rock Cycle: Uniformitarianism and Recycling
Instructional module focusing on the rock cycle. Discussion includes the concept of uniformitarianism and how earth materials change from one form to another. The site also includes an interactive practice quiz and links relating to the...
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: Stories From the Fossil Record
This colorful, interactive site demonstrates how fossils can be used to discover a range of information about the past. Topics include Past Lives, Paleoecology, Geologic History, and Biodiversity.
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.
University of Utah
University of Utah: Genetic Science Learning: learn.genetics: Geologic Time
Appreciate the immensity of geologic time by scrolling through a timeline. Includes links to relevant portions of a video lecture and a detailed time line.
Curated OER
National Park Service: North Cascades National Park Geology
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.
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
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.
Other
Ohio Memory Project: Geography and Natural Resources of Ohio [Pdf]
Read about the geography and natural resources of Ohio in your study of this state. Discusses geology, rock and mineral resources, geologic time, and glaciation.
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...
Curated OER
National Park Service: Fossils in Time Unit
For 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...
University of California
Ucmp: Learning From the Fossil Record
Fossils provide scientists with clues about Earth's past. This site from the University of California's Museum of Paleontology is great for exploring lots of information on fossils.
Texas Instruments
Texas Instruments: Geologic Time Line
A time line of Earth's geologic periods from 600 million years ago.
Science Education Resource Center at Carleton College
Serc: Geo Logic: Dinosaur Trackways
Using GEOLogic questions and puzzles, young scholars associate different dinosaur trackways with their locations and the rock formations containing the trackways based on clues given from various points of view.