Volcanoes

Volcanoes - Assessment

Write the letter of the correct answer on the blank.

_____ When volcanoes are classified by the way they erupt, the three types are shield, cinder-cone, and (a) extinct (b) dormant (c) composite-cone (d) active
_____ An example of a shield volcano is (a) Paricutin (b) Mauna Loa (c) Vesuvius

(d) all of the above

_____ Mount Pinatubo is part of a chain of volcanoes called (a) the Ring of Fire

(b) island arcs (c) cinder-cone volcanoes (d) magma deposits

5. _____ The Hawaiian Islands were formed (a) when the Pacific Plate moved over a hot

spot (b) when Mount Pinatubo exploded (c) at a divergent plate boundary

(d) within the past 100 years

6. _____ The highest peak in Africa is (a) Crater Lake (b) Mauna Loa (c) Merapi

(d) Mount Kilimanjaro

7. _____ When the magma is very thick, the explosion will (a) be violent (b) not be

noticed (c) be quiet and gentle d) alternate between violent and gentle

8. _____ Lava can leave a volcano (a) only through the top vent (b) from the top vent or

a side vent (c) only through vents along the side (d) through a bottom vent

9. _____ A subduction zone is (a) where plates slide under one another (b) plates collide

10. _____ The Ring of Fire touches (a) the west coast of the United States (b) the west

coast of South America (c) the Philippines (d) all of the above

11. _____ A dormant volcano (a) hasn’t erupted in a while, but could erupt in the near

future (b) erupts constantly (c) has not erupted in recorded history (d) erupts on a

regular basis

12. _____ Cinder-cone volcanoes (a) have gentle slopes near the base and steep slopes

close to the top (b) do not exist anymore (c) are large mountains with gentle slopes

(d) are generally small

13. _____ The worst volcanic explosion of Vesuvius took place in (a) A.D. 79 (b) 1962

14. _____ Rifting occurs at (a) divergent plate boundaries (b) convergent plate

boundaries (c) subduction zones (d) hot spot areas