MSCI 112 FINAL EXAM REVIEW QUESTIONS
Which layer in earth does NOT transmit S waves?
a. The crust
b. The inner core
c. The mantle
d. The outer core - Answers - d. The outer core
What are the plates of plate tectonics made up of?
a. Asthenosphere
b. Crust
c. Lithosphere
d. Mantle - Answers - c. Lithosphere
Which of the following igneous rocks has the lowest silica content?
a. Felsic
b. Intermediate
c. Mafic
d. Ultramafic - Answers - d. Ultramafic
Isotopes of an element have different numbers of?
a. Electrons
b. Neutrons
c. Protons
d. Electrons, neutrons and protons - Answers - 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 - Answers - 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 - Answers - 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 - Answers - 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 - Answers - 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 - Answers - a. Rise
Which of the following is associated with a divergent plate boundary?
a. Earthquakes
b. Volcanism
c. Rifting
d. All of the above - Answers - 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 - Answers - 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 - Answers - 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 - Answers - 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 - Answers - 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 - Answers - b. Plutons
Rocks that form from the solidification of molten rock are called?
a. Metamorphic
b. Sedimentary
c. Igneous
d. Chemical - Answers - 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 - Answers - 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 - Answers - b. A fine-grained, intermediate igneous
rock
What is the approximate silica content of granite?
a. 30%
b. 50 %
c. 70%
d. 90% - Answers - 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 - Answers - b. 600 degrees celsius
Where would you expect to find the largest crystals in a lava flow?
a. Near the top of the flow
b. Near of just below the center of the flow
c. Near the bottom of the flow
d. Throughout the flow - Answers - b. Near of just bellow the center of the flow
Which of the following statements about the scientific method is FALSE?
a. A scientific theory is never considered finally proven
b. Data used to generate a hypothesis may come from observations, experiments, and
chance findings
Which layer in earth does NOT transmit S waves?
a. The crust
b. The inner core
c. The mantle
d. The outer core - Answers - d. The outer core
What are the plates of plate tectonics made up of?
a. Asthenosphere
b. Crust
c. Lithosphere
d. Mantle - Answers - c. Lithosphere
Which of the following igneous rocks has the lowest silica content?
a. Felsic
b. Intermediate
c. Mafic
d. Ultramafic - Answers - d. Ultramafic
Isotopes of an element have different numbers of?
a. Electrons
b. Neutrons
c. Protons
d. Electrons, neutrons and protons - Answers - 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 - Answers - 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 - Answers - 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 - Answers - 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 - Answers - 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 - Answers - a. Rise
Which of the following is associated with a divergent plate boundary?
a. Earthquakes
b. Volcanism
c. Rifting
d. All of the above - Answers - 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 - Answers - 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 - Answers - 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 - Answers - 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 - Answers - 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 - Answers - b. Plutons
Rocks that form from the solidification of molten rock are called?
a. Metamorphic
b. Sedimentary
c. Igneous
d. Chemical - Answers - 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 - Answers - 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 - Answers - b. A fine-grained, intermediate igneous
rock
What is the approximate silica content of granite?
a. 30%
b. 50 %
c. 70%
d. 90% - Answers - 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 - Answers - b. 600 degrees celsius
Where would you expect to find the largest crystals in a lava flow?
a. Near the top of the flow
b. Near of just below the center of the flow
c. Near the bottom of the flow
d. Throughout the flow - Answers - b. Near of just bellow the center of the flow
Which of the following statements about the scientific method is FALSE?
a. A scientific theory is never considered finally proven
b. Data used to generate a hypothesis may come from observations, experiments, and
chance findings
