MSCI 112 Final Exam Review Questions And Answers Rated A+.

MSCI 112 Final Exam Review Questions And Answers Rated A+. Which layer in earth does NOT transmit S waves? a. The crust b. The inner core c. The mantle d. The outer core - correct answer. d. The outer core What are the plates of plate tectonics made up of? a. Asthenosphere b. Crust c. Lithosphere d. Mantle - correct answer. c. Lithosphere Which of the following igneous rocks has the lowest silica content? a. Felsic b. Intermediate c. Mafic d. Ultramafic - correct answer. d. Ultramafic Isotopes of an element have different numbers of? a. Electrons b. Neutrons c. Protons d. Electrons, neutrons and protons - correct answer. b. Neutrons Which of the following earth systems powers earths magnetic field? a. The climate system b. The plate tectonic system c. The geodynamo system d. All of the above - correct answer. c. The geodynamo system Which of the following locations is least likely to have active volcanoes? a. Mid-ocean ridge b. Continental rift valley c. Transform fault d. Island arc - correct answer. c. Transform fault Bowens Reaction Series describes? a. How fast crystals grow from cooling magma b. How fast magmas cool c. How magmas react to cooling d. The sequence in which minerals from when magmas cool - correct answer. d. The sequence in which minerals from when magmas cool What type of rock makes up most of the Hawaiian Islands? a. Andesite b. Basalt c. Granite d. Periodite - correct answer. b. Basalt After melting of a continental ice cap, the surface of the continent underneath the ice cap will? a. Rise b. Sink c. Remain the same d. Rise or sink depends on the thickness of the ice cap - correct answer. a. Rise Which of the following is associated with a divergent plate boundary? a. Earthquakes b. Volcanism c. Rifting d. All of the above - correct answer. d. All of the above The mineral property "cleavage" refers to the? a. Development of crystal faces during mineral growth b. Splitting of a mineral along planar surfaces c. Development of irregular fractures in a mineral d. Density of a mineral - correct answer. b. Splitting of a mineral along planar surfaces Which of the following is a type of convergent plate boundary? a. Continental rift b. Spreading center c. Mid-ocean ridge d. Subduction zone - correct answer. d. Subduction zone What is the approximate distance from the surface to the center of earth? a. 700 km b. 2900 km c. 6400 km d. 24,000 km - correct answer. c. 6400 km When did the super continent Pangaea begin to break apart? a. Approximately 65 million years ago b. Approximately 570 million years ago c. Approximately 200 million years ago d. Approximately 1.5 billion years ago - correct answer. c. Approximately 200 million years ago Large igneous bodies that form at depth in Earths crust are called? a. Dikes b. Plutons c. Sills d. Veins - correct answer. b. Plutons Rocks that form from the solidification of molten rock are called? a. Metamorphic b. Sedimentary c. Igneous d. Chemical - correct answer. c. Igneous Large crystals with well formed crystal faces tend to form when? a. Minerals have space to grow b. Rocks undergo melting c. Molten rock cools quickly d. Volcanoes erupt explosively - correct answer. a. Minerals have space to grow Which of the following best describes andesite? a. A coarse-grained, intermediate igneous rock b. A fine-grained, intermediate igneous rock c. A coarse-grained, felsic igneous rock d. A fine-grained, felsic igneous rock - correct answer. b. A fine-grained, intermediate igneous rock What is the approximate silica content of granite? a. 30% b. 50 % c. 70% d. 90% - correct answer. c. 70% Above about what temperature do materials lose their permanent magnetism? a. 100 degrees celsius b. 600 degrees celsius c. 1000 degrees celsius d. 5000 degrees celsius - correct answer. b. 600 degrees celsius Where would you expect to find the largest crystals in a lava flow?