Download 21. Look over this graph of seismic activity. Make 3 observations

Study Guide-Earth’s Structure Test (Pangaea, Continental Drift, Plate Tectonics, Volcanoes, Earthquakes, and Faults)
*Study ALL notes, handouts, classwork, and bellwork. You are responsible for everything covered on the test topics and not just the
information on this study guide. Remember that questions covering previous topics may also be asked.
1. What was Pangaea?
2. What is the difference between lava and magma?
3. What is the Continental Drift Theory?
4. What is the evidence for the Continental Drift Theory?
5. In which layer of the Earth are tectonic plates located?
6. Which of the Earth’s layers make up the lithosphere?
7. The movement of the Pacific Plate causes a large number of _____ ______ and ____________.
8. The Pacific Plate is also called the _________,
9. What happens during the process of sea floor spreading?
10. What are the different plate boundaries and what occurs at each boundary?
11. When rocks are subject to a great enough force to exceed the elastic limit, what occurs?.
12. What are the main layers of the Earth?
13. Seismic waves travel away from what location?
14. Where do most of the Earth’s earthquakes occur?
15. What happens when normal faults uplift a block of rock?
16. What are the three types of seismic waves produced by earthquakes? Which causes the most damage?
17. What are the 3 types of faults? Describe what causes each type. Describe the motion of each type.
18. What feature of a volcano is an opening in the surface of the Earth through which gas and erupted material pass?
19. What are the 3 types of volcanoes and how they are formed?
20. Using the seismographs below, determine which seismograph station is nearest to the epicenter of the earthquake.
Seismograph station one (top seismograph)
21. Look over this graph of seismic activity. Make 3 observations about the information.