11.7: Geologic Time Scale Difficulty Level: At Grade Created by: CK-12 % Progress MEMORY METER This indicates how strong in your memory this concept is Practice Progress % % Practice Now MEMORY METER This indicates how strong in your memory this concept is Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English Spanish TermDefinition geologic time scale A division of Earth's history into blocks of time based on major events in geology, climate, and the evolution of life. Image Attributions Show Hide Details Description How the geologic time scale is divided. Learning Objectives None Related Materials Geologic Time Scale Geologic Time Scale Difficulty Level: At Grade Authors: Dana Desonie, Ph.D. Tags: eon epoch era (3 more) geologic time scale period SCI.ESC.712.4.L.1 Subjects: science Earth Science Concept Nodes: SCI.ESC.712.4 (Geologic Time Scale) Grades: 9 , 10 Date Created: Feb 24, 2012 Last Modified: Aug 22, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.