1 A) intrusive B) a batholith C) rock D) lava 2 A) on islands in the Pacific, such as Hawaii B) at the margins of continents C) in the middle of oceanic crust D) inside of continental crust 3 A) when volcanoes erupt B) when temperatures are hot enough to melt rock C) when grains have been compacted together D) when new minerals form due to chemical changes in the rock 4 A) basaltic magma B) granitic magma C) andesitic magma D) rhyolitic magma 5 A) highest, lowest, lowest B) lowest, lowest, lowest C) highest, highest, highest D) lowest, highest, highest 6 A) Specific gravity B) Gravity C) Viscosity D) Weight 7 A) It is less dense than surrounding rock. B) It is cooler than the crust. C) It is more dense than surrounding rock. D) It is more viscous than ocean water.
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