Questions to answer while watching Record of the Rocks

1. What is meant by the term "primeval soup"?
    
2. How big is the Grand Canyon?
   
    

3. The rocks at the base of the Grand Canyon are Precambrian in age. What sorts of fossils do they contain?

4. What types of fossils are in the Cambrian rocks?

   In what sedimentary environment were these rocks deposited?
    

5. What fossils are in Devonian rocks of 410 million years ago?

6. What types of plant fossils are in the Late Carboniferous of 300 million years ago?

7. What fossils or trace fossils are found in the Permian sandstones?

8. What fossils are in the Mesozoic rocks of the Painted Desert of Northern Arizona?

9. Be able to tell how rocks are prepared for radioactive dating.

10. Which radioactive isotope is being examined in this procedure?
     

11. What sort of particle does this radioactive isotope lose?
     

12. What is the name of the instrument (or instruments) used to find the proportion of radioactive isotopes?

13. What do the rocks from Greenland show that are roughly 3700 million years old?

14. What is the value of fossils to evolution?

15. What is an example of a fossil group which shows gradual evolution?
     

16. The birds appear to be descended from what other group of animals?
     

17. What was Archaeopteryx?