CK-12 Foundation
Ck 12: Earth Science: Climate Change in Earth History
[Free Registration/Login may be required to access all resource tools.] Traces changes in Earth's climate through Earth history, especially in the past 2,000 years.
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.
Nine Planets
The Nine Planets: Earth Facts
Find lots of information about our planet Earth here. Covers basic facts, Earth's history, layers of the Earth, plate tectonics, composition of the atmosphere, Earth's magnetic field, and some facts about our moon.
Smithsonian Institution
National Museum of Natural History: Paleobiology: Geologic Time: Hadean Eon
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.
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.
Howard Hughes Medical Institute
Hhmi: Bio Interactive: Paleoclimate: A History of Change
Learn about the history of Earth's climate in this Click and Learn. Learn how many factor control Earth's climate. Specifically, examine two of the most important factors: solar radiation and the composition of Earth's atmosphere.
Read Works
Read Works: Passages: "The Rise of Oxygen in the Earth's Atmosphere"
[Free Registration/Login Required] The article "The Rise of Oxygen in the Earth's Atmosphere" from the American Museum of Natural History focuses on when the rise of oxygen in the earth's atmosphere began. A Step Read, a question set,...
Untamed Science
Untamed Science: Biology: Evolution: History of Life: Origins
Learn about the scientific hypotheses of the origin of life on Earth. [5:55]
University of Kentucky
University of Kentucky: Earth Science Classroom Activities
A collection of links to activities and lessons that could be used for Earth science concepts including the foil record, creating a timeline of Earth's history, plate tectonics, dinosaurs, and the progression of life on Earth.
Howard Hughes Medical Institute
Hhmi: Biointeractive: Earth Viewer
Watch the earth change with this interactive app? What did Earth look like 250 million years ago? Or 1 billion years ago? Or 4.5 billion years ago? What was the climate like in the deep past? Find the answers with EarthViewer, an...
Encyclopedia of Earth
Encyclopedia of Earth: Climate Change: Ancient
A collection of articles on ancient climatology. They examine past extremes of the Earth's climate, cycles of climate change, and cataclysmic climate-changing events that are believed to have occurred.
National Library of France
National Library of France: Heaven and Earth
Learn how art through the ages has been influenced by the Earth and the heavens. See paintings that attempted to explain the Earth's creation from a scientific standpoint, sacred architecture that provided a place to worship the heavens,...
American Museum of Natural History
American Museum of Natural History: What Is Water?
This comprehensive article provides information about the physical properties of water, the importance of water as an Earth material, the processes and cycles that water undergoes on Earth, its importance to life on Earth, and why we...
Smithsonian Institution
National Museum of Natural History: Paleobiology: The Archaean Eon
Journey into the past while reading this comprehensive overview of the Archaean Eon that covers topics such as early continents and oceans, first life on Earth, Earth's atmosphere, fossil evidence, and plate tectonics.
Encyclopedia of Earth
Encyclopedia of Earth: Zirconium
Information about the element Zirconium, atomic number 40. Covers history of its discovery, sources, physical properties, atomic properties, how abundant it is on the Earth, details about permissible exposure, uses, and possible...
Encyclopedia of Earth
Encyclopedia of Earth: Vanadium
Information about the element, Vanadium, atomic number 23. Covers its history, sources, physical and atomic properties, prevalence on the Earth, details about any health-related regulations, uses, and possible substitutes.
Encyclopedia of Earth
Encyclopedia of Earth: Strontium
Information about the element, Strontium, atomic number 38. Covers its history, sources, physical properties, atomic properties, how abundant it is on the Earth, details about permissible exposure, uses, and possible substitutes.
Other
Radford University: Environmental History Timeline
Worrying over the environment is nothing new, just the term "environmental" is. Investigate the history of concerns dating back to ancient civilization and looking forward into the future.
Estrella Mountain Community College
Online Biology Book: Paleobiology: The Late Paleozoic
College-level biology book covers the Late Paleozoic geologic time period in Earth's history. See photographs of fossil evidence from that era in addition to diagrams to help with understanding.
CK-12 Foundation
Ck 12: Earth Science: Revolutions and Rotations of the Earth Study Guide
[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about how our understanding of the Earth's movements evolved from ancient times and what we know today. Includes some questions to check...
TED Talks
Ted: Ted Ed: What's Hidden Among the Tallest Trees on Earth?
Wendell Oshiro tells the story of Stephen Sillett's bold exploration of the canopy of an ancient redwood and details some of the fascinating discoveries he made. [4:47]
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: 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.
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