1. The Ring of Fire consists of chains of active volcanoes around the Pacific. What type of plate boundary are these volcanoes adjacent to? 1.Transform 2.Convergent – subduction zones 3.Divergent – continental rifts. 4.Convergent – continental collision zone. 5.Divergent – oceanic ridges.

2. Which of the following is a surface expression of a convergent plate boundary? 1.Oceanic Ridge 2.Continental Rift Valley 3.Fracture Zones 4.Continental Shelf 5.Deep-Ocean Trench.

4. 1.1 2.2 3.3 1 2 Which is the convergent plate boundary? 3

6. 1.1 2.2 3.3 4.4 1 2 3 4 Which feature below is an oceanic ridge where new lithosphere is being formed?

7. 1.1 2.2 3.3 4.4 1 2 3 4 Which feature below is a volcanic arc?

8. Basaltic Crust Granitic Crust Divergent Plate Boundary Oceanic Ridge Convergent Plate Boundary (Subduction Zone) Oceanic Trench Volcanic Arc

9. 1.1 2.2 3.3 4.4 1 2 3 4 Where would the most explosive and dangerous forms of volcanic activity be located?

10. Basaltic Crust Granitic Crust Divergent Plate Boundary Oceanic Ridge Convergent Plate Boundary (Subduction Zone) Oceanic Trench Volcanic Arc Basaltic Magma Andesitic Magma Basaltic Magma Explosive Eruptions Common Eruptions of Basalt Lava Flows

11. Where in the United States is an active subduction zone located? 1.Offshore of the East Coast. 2.Along the Gulf of Mexico. 3.Offshore of the Pacific Northwest. 4.Southern California. 5.The Rocky Mountains.

12. Cascades Coast Range North American Plate Juan de Fuca Plate Pacific Plate Juan de Fuca Ridge Cascadia Subduction Zone

13. A majority of the largest magnitude earthquakes have occurred at which of the following? 1.Divergent plate boundaries 2.Transform faults 3.Hotspots 4.Subduction Zones