This timeline is a good resource if you are looking for brief descriptions of the geologic periods. Descriptions include pictures of common organisms for each period and the range of time covered by each period.

Portal of the University of California Museum of Paleontology provides access to the museum's extensive research resources and fossil holdings. Includes career preparation advice for future paleontologists and a series of links to...

Article explaining the history of our scientific understanding of volcanic activity, ending with questions for students about scientific methods and historical contexts.

A collection of articles on offshore oil. Some of the topics covered include the Deepwater Horizon oil spill, oil exploration and oil reserves, oil drilling, and the history of oil and gas.

This activity is an inquiry-based, earth science field investigation of the geology of southeast Minnesota. Students will make observations of rock outcrops and landforms in the region using maps, pictures, and field sampling, then use...

[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will begin to explain the use of chemical and physical properties in the historical development of the Periodic Table. They will be...

Article outlining the scientific history behind the evolution of theories about measuring time based on the movement of a pendulum, and about how gravity would impact a pendulum's movement depending on one's proximity to the Earth's...

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...

[Free Registration/Login Required] This informational text passage shares information about the history of the earth and its landforms. This passage is a stand-alone curricular piece that reinforces essential reading skills and...

Travel site overview of the History of Germany and the Thirty Years' War from 1618 to 1648.

A collection of articles on methods used to investigate changes in processes that are, and have been, affected by climate. It also covers the discoveries that have been made about climate change in the Earth's recent and ancient past.

Basic information about the element Potassium, atomic number 19. Covers its history, physical and atomic properties, and how abundant it is on the Earth.

Earth Science teachers will combine field observations with the information given in the classroom to interpret the geologic history of Canyon de Chelly, Arizona.

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.

A collection of activities which provide background for educators and students on the role of sediment cores in revealing the climate change history of Earth.

[Free Registration/Login may be required to access all resource tools.] There is good evidence that life has probably existed on Earth for most of Earth's history. Fossils of blue-green algae found in Australia are the oldest fossils of...

This 2nd grade unit introduces children to the history of environmental protection in the U.S. Beginning with three types of environment - mountain, grass plain and forest - the lessons explore some of the natural resources found in...

Access any one of thirty-six lectures from a biological sciences course, in audio, video, and text format. Coverage includes evolution, natural selection, the fossil record, the history of life on Earth, ecological communities,...

An activity where young scholars create a timeline of the history of the Universe, beginning with the Big Bang almost 14 billion years ago, but compress it into one year. Younger students must be able to order events, while older young...

[Free Registration/Login may be required to access all resource tools.] How the Earth was formed.

[Free Registration/Login may be required to access all resource tools.] An overview of life of the Cenozoic Era.

[Free Registration/Login may be required to access all resource tools.] An overview of life of the Cenozoic Era.

[Free Registration/Login may be required to access all resource tools.] An overview of life of the Mesozoic Era.

[Free Registration/Login may be required to access all resource tools.] An overview of life of the Mesozoic Era.