Take a quick look at Earth's geologic time scale.

A lesson plan containing two activities for middle schoolers 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....

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.

Work samples, phenomena, assessment templates, and videos that directly address standard MS-ESS1-4: geologic time scale.

This site was created by two geoscientists. They explain the Principles of Geology. These are general rules, or laws, that are used to determine how rocks were created and how they changed through time. They are also used to determine...

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.

Details regarding the geology of national parks in the United States.

Find out how fossil evidence has been the major link to learning about Earth's geologic history. See several illustrated interpretations of a geologic time scale in this online biology textbook.

The geology of Alberta is profiled on this site. Drop menus reveal sub-topics ..geological time scale, rock formations in Alberta, and so forth.Graphics and maps are included.

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.

Lesson plan in which learners place events in sequence, comparing their life to the history of the Earth.

Here's a geology project that uses historical seismograph data that you can collect from the comfort of your own computer. You'll use a web interface to a network of seismometers run by the Northern California Earthquake Data Center, at...

A detailed overview of the Earth's climate, with explanations about the difference between weather and climate, dendrochronology, palynology, and how Earth's climate has changed over time. All information is reinforced through pictures,...

Use this interactive to explore key human impacts on the environment and how they have affected Earth's landscape, ocean, atmosphere, and biodiversity. The column on the left-hand side of the screen lists different human impacts on the...

Explore the exciting world of the killer dinosaur, Tyrannosaurus Rex, by learning about its behaviors, geological time periods, and classification through descriptions, videos, photos, news, and external links.

This comprehensive study guide covers the main terms and concepts needed for a unit on the evolution of multicellular life.

This is a lesson designed by a biology teacher. In it, students use maps and evidence of island age, molecular genetics, morphology, and distance apart to determine how the islands came to be occupied by different species of lizards. It...

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.

Observe the Nisqually Glacier at Mount Rainier in this video segment from NatureScene. [4:07]

Overview of the Earth in the Jurassic Period told by photos, news, videos, and external links with emphasis on what grew then, what lived then, the causes of mass extinction, types of fossils, and what life was like in general.

The Earth is 4.6 billion years old- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Joshua Sneideman reminds us of our time and place in the universe. [3:45]

A landscape is part of the Earths surface that can be viewed at one time from one place. It consists of the geographic features that mark, or are characteristic of, a particular area. This resource examines different ways types of...

Fourth graders act as paleontologists to figure out the environment where various fossils would have existed.

During your lifetime, you will use more than a million pounds of rocks, minerals, and metals. Dig through this web site and find out how.