Since 2005
Schooldirectoryusa.com is the online largest web directory of school and Education that offers a list of websites related to K-12, pre-school, languages, schooling, educate, math, academic, homework,technical school, school summer programs, language school, business schools, pharmacy schools and social studies.
Latest Featured Links
Directory Statistics
  • Active Links: 7573
  • Pending Links: 0
  • Todays Links: 0
  • Active Articles: 0
  • Pending Articles: 0
  • Todays Articles: 0
  • Total Categories: 10
  • Sub Categories: 910
You are here:  USA School Directory > Science > The Earth > Geology > Geologic Time
Geologic Time
Comprehending Geological Time
[ Teens/Mature Teens ] - An interactive tool to calculate time periods and human history in terms of different measurement scales such as a meter, a day or a million years.
http://www.athro.com/geo/hgfr1.html
Dr. Bob's Geologic Time Page
[ Mature Teens ] - Basic information about the geologic time scale and mnemonics to help remember the various periods and epochs.
http://oldsci.eiu.edu/geology/jorstad/geoltime.html
Earth Floor: Geologic Time
[ Teens/Mature Teens ] - Explains how the age of the earth is divided up into periods of time, and provides simple definitions and illustrations of the different names.
http://www.cotf.edu/ete/modules/msese/earthsysflr/geotime.html
Geological Time Line
[ Teens/Mature Teens ] - A simple chart provides links to further details of each era, and an interactive feature allows users to see global shifts and milestones.
http://www.bobainsworth.com/fossil/timeline.htm
Life Through Geologic Time
[ Kids/Teens/Mature Teens ] - A pictorial history of life on Earth, with events and fossils linked from the relevant period or epoch.
http://www.carlwozniak.com/earth/Life.html
Web Geological Time Machine
[ Kids/Teens/Mature Teens ] - A simple table of the different time periods contains links to details of the rocks, fossils and locations of each one.
http://www.ucmp.berkeley.edu/help/timeform.html