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Ocean-Ocean Convergent Plate Boundaries Quiz 1) When two plates collide, it is this type of boundary. a) Convergent b) Divergent c) Transform d) None of the above 2) Subduction zones happen when a) Two oceanic plate converge b) An oceanic and continental plate converge c) Two continental plates converge d) Both a and b 3) When two oceanic plates converge a) The one that is less dense goes under b) The one that is more dense goes under c) The one that is less dense stays on top d) Both a and c 4) True or false. When two oceanic plates converge the one that is denser subducts. a) True b) False 1 5) Two oceanic crust converging creates this landform. a) Mountains b) Hot spot volcanoes c) Island arcs d) Valleys 6) True or false. Island arcs are created when two continental plates converge. a) True b) False 7) Which of these is not and island arc? a) Japan b) Philippines c) Aleutians d) Cascades 8) Put in order of how island arcs are made. I. The plate goes back into the mantle melting rock II. Two oceanic plates converge IIII. The magma then finds a crack in a crust to make volcanoes IV. The older denser plate subducts into a trench a) I, II, III, IV b) IV, III, II, I c) II, III, I, IV d) II, IV, I, III 2 9) True or false. The Aleutian Islands were made by two oceanic plates converging. a) True b) False 10) True or false. Earthquakes are common at island arcs. a) True b) False 3