Geologic Timescale


Geologic Time Scale by Mr. Parr (music- Can’t Stop the Feeling by Justin Timberlake)

Earth’s History – Flocabulary (may require teacher sign in)

How Common are Mass Extinctions – TED Ed

Note Taking Guide: If your teacher has not already shared this document with you, please make a copy, rename the document, and save into your Science 8 folder.


Subscription Databases:

Britannica School Online encyclopedia – you should search both the middle school and high school version, if you are having trouble finding your time segment (ex. Tertiary Period is in the high school version and not the middle school).

World Book Onlineuse either Student or Advanced (Student will likely have shorter, easier to read articles).

Gale Science

Gale Student Resources – includes articles on many of the time segments that are easier reading levels.


Useful Websites:

Geologic Timeline: Created at Lehigh University – contains information on paleoclimate, geography and CO2 levels.

University of California Museum of Paleontology – Geologic Time Scale –  Select hyperlink for your segment for more details (not all time segments included).

The 25 Biggest Turning Points in Earth’s History – BBC Earth