Geology Part 1 Exam Review
You will find the following materials to be helpful when studying for your exam and filling out this review sheet…..
*Geology notes
*Carbon cycle worksheet
*Nature of Earth Science worksheet
*Half-life worksheet
*Geologic laws and principles worksheet
1. Earth science includes all science that seeks to understand what 2 things?
2. Earth science can be split into 4 separate categories. What are they?
3. The Earth contains 4 different spheres. What are they?
4. What does the hydrosphere consist of?
5. Where would you find most of Earth’s salt water? Freshwater?
6. What is the atmosphere? What are its 2 main functions?
7. What does the biosphere consist of?
8. What 3 layers make up the geosphere?
9. Why do we split the geosphere into these three layers?
10. In which two spheres would you find plants and/or animals?
11. Compare/contrast continental crust from oceanic crust.
12. Compare/contrast the lithosphere and asthenosphere.
13. How are all 4 of Earth’s spheres involved in a hurricane?
14. What is the carbon cycle and why is it important?
15. What is the difference between a carbon sink and carbon source? List 2 examples of each.
16. If the number of carbon sinks and sources on earth became unbalanced what would happen?
a. What if there were more sinks than sources?
b. What if there were more sources than sinks?
17. What produces the most carbon dioxide on Earth?
18. What is the difference between latitude and longitude?
19. What is the most infamous line of latitude on Earth? What is its latitude?
20. What is the most infamous line of longitude on Earth? What is its longitude?
21. What are 2 benefits and 2 disadvantages to satellite technology/satellite images?
22. What is GPS and how does it work? (How are we able to determine the location of objects on earth with GPS?)
23. Other than GPS, what else do we use satellites for?
24. How do satellites collect information?
25. Define the law of uniformitarianism.
26. Define the law of superposition.
27. Define the law of horizontality.
28. Define the law of cross-cutting relationships
29. Put the following letters in order from oldest to youngest.
30. What caused the swirly rock pattern you see in the image below?
31. What is an unconformity and how does it occur?
32. Describe how angular unconformity occurs.
33. Why is it important for scientists to be able to correlate rock layers from nearby areas with one another?
34. Name the 5 types of fossils that can form?
35. Describe how each of the 5 types of fossils form and either draw OR give an example of each type of these
fossils.
36. What two conditions favor fossilization?
37. Would you ever find a fossil of a jellyfish? Why or why not?
38. What are the 4 requirements that need to be met in order for a fossil to be considered an index fossil?
39. What is the difference between relative dating and absolute dating?
40. Name and describe the process scientists use to find the ABSOLUTE age of a fossil.
41. What is a half life?
42. What element is used to date young fossils? Old fossils?
43. In order to find the absolute age of a fossil that is believed to be billions of years old, would you use an element
that has a longer half-life or shorter half-life? WHY?
44. What percentage of a radioactive element would be left after ;
a. 1 half-life?
b. 2 half-lives?
c. 3 half-lives?
45. If a rock sample originally contained 10 g of Carbon-14, how much will be left after;
a. 1 half-life?
b. 2 half-lives?
c. 3 half-lives?
46. Carbon-14 is a radioactive element that decays into Nitrogen-14.The half-life of carbon is 5730 years. How
much of each element will be left after;
Carbon-14
Nitrogen-14
5730 years:
_____________
______________
11,460 years:
_____________
______________
17,190 years:
_____________
______________
**PLEASE STUDY YOUR 50 PREFIXES/SUFFIXES FOR YOUR TEST AS WELL.**