8.E.6A The geologic time scale interpreted from rock strata provides a way to organize major historical events in Earths history. Analysis of rock strata and the fossil record, which documents the existence, diversity, extinction, and change of many life forms throughout history, provide only relative dates, not an absolute scale. Changes in life forms are shaped by Earths varying geological conditions.

State: 
South Carolina
Subject: 
Science
Year: 
2014
Grade: 
Middle School (6-8)