To Do	To Answer
Read about Geologic Time	What is the estimated age of the Earth? What evidence is there for this age?
Read about the Relative Time Scale	What evidence do we have that the Earth has "diverse origins"? Explain the principle originally proposed by James Hutton. How did this principle become a major concept of relative time dating?
Read about the Radiometric Time Scale	How is radioactive decay used to determine absolute time?
Relative and Absolute Dating Factsheet (attached below)	Sketch a concept map linking together the details of relative and absolute dating.
Review the types of rocks	Sketch the image into your notes.