1 A) basaltic magma B) granitic magma C) andesitic magma D) rhyolitic magma 2 A) Specific gravity B) Gravity C) Viscosity D) Weight 3 A) laccolith B) sill C) batholith D) stock 4 A) dike B) stock C) sill D) laccolith 5 A) sill B) stock C) dike D) laccolith 6 A) a sill B) a batholith C) a dike D) a stock 7 A) type of material and eruption B) type of eruption and temperature of the lava C) type of material and viscosity D) type of eruption and latitude 8 A) a mixture of volcanic gas, ash, and other tephra B) when lava comes out of a volcanic vent C) lava that hardens into a batholith D) poisonous gas of a volcano 9 A) in the southern hemisphere B) at plate boundaries C) far from plate boundaries D) along the Mid-Atlantic Ridge 10 A) ash B) volcanic bombs C) volcanic blocks D) lapilli 11 A) by a vent B) by tephra C) by a hot spot D) by a sill 12 A) composite volcano B) cinder cone C) caldera D) shield volcano 13 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078746361/561689/115_arrows2_ss_182c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>]]> A) a mixture of lava and volcanic fragments B) uplifting of mountains before exploding into a volcano C) material is ejected into the air and falls back to earth D) layer upon layer of basaltic lava accumulating during nonexplosive eruptions 14 A) The plate descends in to the mantle. B) A chain of volcanoes forms. C) the pressure of the plate keeps magma below Earth's surface. D) The hot spot is pushed to the edge of the plate. 15 A) hot spot B) shield C) composite D) cinder cone 16 A) Explosive volcanoes most often occur near convergent boundaries. B) Folded mountains commonly develop at divergent boundaries. C) Rift valleys are usually produced at convergent boundaries. D) Volcanic arcs are usually found along transform boundaries. 17 A) lava chunks B) magma rocks C) tephra balls D) volcanic blocks 18 A) volcanic canyon B) depression C) caldera D) sinkhole 19 A) violent eruptions producing gentle slopes B) violent eruptions producing steep slopes C) voluminous lava flows producing gentle slopes D) voluminous lava floes producing steep slopes 20 A) in rift valleys B) in subduction zones C) along mid-ocean ridges D) at the poles 21 A) cinder cone volcano B) composite volcano C) lava dome volcano D) shield volcano 22 A) composite volcano B) umbrella volcano C) shield volcano D) drumlin volcano
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