This location will be your central location to find content, assignments, exams, multimedia, discussion forums and more for this course. This resource has been created by utlitizing articles and files from some of the most distinguished professors and scientists in the field of Earth science.
Plate tectonicsLast Updated on 2013-03-28 at 19:16
In the 19th and early 20th centuries, several scientists suggested that the continental masses had the ability to move across the Earth's surface. These early theories of... More »
BiodiversityLast Updated on 2013-02-20 at 12:34
The word "biodiversity" is a contracted version of "biological diversity". The Convention on Biological Diversity... More »
Lab Exercise 1Last Updated on 2012-10-15 at 10:51
This lab will serve as an introduction to Earth Science.
The goal of this lab exercise is to familiarize yourself with several important aspects... More »
Sonoran DesertLast Updated on 2012-08-22 at 15:57
The Sonoran Desert as currently defined covers approximately 200,000 square miles (520,000 sq. km), including100,000 square miles of land and 100,000 square miles... More »
Agriculture IILast Updated on 2012-07-26 at 11:56
Humans began to cultivate food crops about 10,000 years ago. Prior to that time, hunter-gatherers secured their food as they traveled in the nearby environment. When they... More »
Geologic timeLast Updated on 2012-06-21 at 09:38
Geologists and geomorphologists describe the Earth's geologic history through a temporal system known as the geologic time scale (Table 1). On this scale, time is measured... More »