BBC
Bbc Earth: The 25 Biggest Turning Points in Earth's History
From the birth of a planet to the evolution of the human race, interactive details the 25 biggest milestones that shaped Earth's history
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.
CK-12 Foundation
Ck 12: Earth Science: Plate Tectonics Through Earth History Study Guide
[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about the movement of tectonic plates throughout Earth's history. Includes a few questions to check for understanding.
University of Kentucky
University of Kentucky: Important Dates and Cool Creatures in Earth History
A bullet list of important events in Earth's history broken down by eons, eras, periods, and epochs.
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.
CK-12 Foundation
Ck 12: Earth Science: Earth History and Clues From Fossils Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on what we can learn about the early earth from fossils. Review questions are included at the bottom of the study guide.
CK-12 Foundation
Ck 12: Earth Science: Climate Change in Earth History Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on climate change. Review questions are included at the bottom of the study guide.
CK-12 Foundation
Ck 12: Earth Science: Climate Change in Earth History
[Free Registration/Login may be required to access all resource tools.] How Earth's climate has changed in the past.
CK-12 Foundation
Ck 12: Earth Science: Plate Tectonics Through Earth History
[Free Registration/Login may be required to access all resource tools.] The history of plate tectonics past and future.
Science Struck
Science Struck: Major and Lesser Extinction Events in Earth's History
Read about some of the extinction events that have occurred during the history of the Earth.
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.
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....
Untamed Science
Untamed Science: Biology: Evolution: History of Life: The Cambrian Explosion
Learn about the Earth's evolutionary history during the Cambrian period. [3:25]
American Museum of Natural History
American Museum of Natural History: O Logy: Earth: Our World in Motion
This resource is a place for learning all about the Earth--the Earth's layers, its history, rocks and minerals, and interesting Earth science facts and discoveries. Explore, ask questions, find information, and meet American Museum of...
American Museum of Natural History
American Museum of Natural History: O Logy: Ask a Scientist
A browsable collection of environment-related questions posed by elementary- and middle-school students to the scientists of the American Museum of Natural History in honor of Earth Day. Great questions and great answers.
PBS
Pbs Newshour Extra: What Does Earth Day Mean Today?
This article explains what Earth Day is and why it was founded. It also presents criticisms of the holiday. Includes suggestions for things we can all do to take care of the Earth.
CK-12 Foundation
Ck 12: Earth Science: Earth History and Clues From Fossils
How scientists can learn information about the past from fossils. [Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Earth Science: Earth History and Clues From Fossils
[Free Registration/Login may be required to access all resource tools.] How scientists can learn information about the past from fossils.
CK-12 Foundation
Ck 12: Earth Science: Earth History and Clues From Fossils
[Free Registration/Login may be required to access all resource tools.] How scientists can learn information about the past from fossils.
CK-12 Foundation
Ck 12: Fourth Grade Science: Earth Science: Relative Ages of Rocks
[Free Registration/Login may be required to access all resource tools.] Looks at how stratigraphy can be used to determine the relative ages of rocks, how unconformities occur, ways to match rock layers in different areas, and how...
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.
Other
Earth History: The Paleomap Project
The Paleomap Project illustrates the plate tectonic development of the ocean basins and continents, as well as the changing distribution of land and sea during the past 1,100 million years.
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...
Other
Teaching the Jah: Earth Day and the Environmental Movement
As part of a larger lesson plan on the the environment and the environmental movement, this lesson focuses on the movement as part of a larger emphasis on social movements in the 1960s. Find information about the history of Earth Day,...
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