EAPS-106 TEST 1 EXAM QUESTIONS WITH
VERIFIED ANSWERS
True or False: There are no active faults in Indiana.
(a) True
(b) False
B. False
From which layer within the Earth does our magnetic field arise from?
(a) The crust
(b) The mantle
(c) The outer core
(d) The inner core
(c) The outer core
What protects us from the radiation of the Sun's solar wind?
(a) Earth's magnetic field
(b) Earth's atmosphere
(c) A combination of the magnetic field and atmosphere
(d) The ozone layer
(c) A combination of the magnetic field and atmosphere
Which of the following is not a component required to generate Earth's magnetic field?
(a) An electrical conducting outer core
(b) Convection in the outer core
(c) Plate tectonics
(d) Planetary rotation
(c) Plate tectonics
How do we know the Earth is not hollow?
(a) Laboratory experiments show rocks to be too weak at high temperatures and pressures
to support voids
(b) The passage of seismic waves shows no voids
(c) The magnitude of our gravity field requires a dense, solid planet
(d) All the above
(d) All the above
What drives plate tectonics?
(a) Mantle convection
(b) Inertia of Earth's orbit
(c) Lunar tidal forces
(d) Gravity
, (a) Mantle convection
Which of the following processes transfers heat through the spread of vibrations on the
atomic scale?
(a) conduction
(b) convection
(c) radiation
(d) advection
(a) conduction
True or False: GPS measurements of surface deformation can help us estimate the
potential magnitude of the next earthquake to occur on a particular fault.
(a) True
(b) False
(a) True
What is a transform plate boundary?
(a) Locations where oceanic plates dive back into the Earth's interior
(b) Spreading centers where new ocean crust forms then spreads out
(c) A location where two plates slide past each other along the surface of the Earth
(d) A place where a continent meets an ocean basin and it is not a plate boundary
(c) A location where two plates slide past each other along the surface of the Earth
True or False. Just before the 2004 Parkfield earthquake, very sensitive instruments
showed deformation begin to accelerate indicating that an earthquake was about to occur.
(a) True
(b) False
(b) False
What are the rough parts of a fault that prevent slippage until they break called?
(a) nubbins
(b) doofenshmirtzes
(c) lumps
(d) asperities
(d) asperities
What is a solar nebula?
(a) A discharge from the Sun made up of charged particles
(b) The outer atmosphere of the Sun
(c) A disk of gas and dust surrounding all new stars
(d) The region in which the Sun's gravitational field is the dominant gravitational field
(c) A disk of gas and dust surrounding all new stars
VERIFIED ANSWERS
True or False: There are no active faults in Indiana.
(a) True
(b) False
B. False
From which layer within the Earth does our magnetic field arise from?
(a) The crust
(b) The mantle
(c) The outer core
(d) The inner core
(c) The outer core
What protects us from the radiation of the Sun's solar wind?
(a) Earth's magnetic field
(b) Earth's atmosphere
(c) A combination of the magnetic field and atmosphere
(d) The ozone layer
(c) A combination of the magnetic field and atmosphere
Which of the following is not a component required to generate Earth's magnetic field?
(a) An electrical conducting outer core
(b) Convection in the outer core
(c) Plate tectonics
(d) Planetary rotation
(c) Plate tectonics
How do we know the Earth is not hollow?
(a) Laboratory experiments show rocks to be too weak at high temperatures and pressures
to support voids
(b) The passage of seismic waves shows no voids
(c) The magnitude of our gravity field requires a dense, solid planet
(d) All the above
(d) All the above
What drives plate tectonics?
(a) Mantle convection
(b) Inertia of Earth's orbit
(c) Lunar tidal forces
(d) Gravity
, (a) Mantle convection
Which of the following processes transfers heat through the spread of vibrations on the
atomic scale?
(a) conduction
(b) convection
(c) radiation
(d) advection
(a) conduction
True or False: GPS measurements of surface deformation can help us estimate the
potential magnitude of the next earthquake to occur on a particular fault.
(a) True
(b) False
(a) True
What is a transform plate boundary?
(a) Locations where oceanic plates dive back into the Earth's interior
(b) Spreading centers where new ocean crust forms then spreads out
(c) A location where two plates slide past each other along the surface of the Earth
(d) A place where a continent meets an ocean basin and it is not a plate boundary
(c) A location where two plates slide past each other along the surface of the Earth
True or False. Just before the 2004 Parkfield earthquake, very sensitive instruments
showed deformation begin to accelerate indicating that an earthquake was about to occur.
(a) True
(b) False
(b) False
What are the rough parts of a fault that prevent slippage until they break called?
(a) nubbins
(b) doofenshmirtzes
(c) lumps
(d) asperities
(d) asperities
What is a solar nebula?
(a) A discharge from the Sun made up of charged particles
(b) The outer atmosphere of the Sun
(c) A disk of gas and dust surrounding all new stars
(d) The region in which the Sun's gravitational field is the dominant gravitational field
(c) A disk of gas and dust surrounding all new stars
