Questions for Chapter 4.2

1. Write the definition for weathering, erosion, deposition, relative age,
absolute age, unconformity.

2. How do scientists determine the relative age of sedimentary rock?

3. What is the difference between relative age and absolute age?

4. What is an unconformity?

5. How does an unconformity form? 

6. Put these words in the correct order, from largest to smallest time period:

epoch, era, period

7. What kind of events mark the end of one era and the beginning of the next?