EAPS 106 TEST 1 QUESTIONS WITH
CORRECT ANSWERS
What is a rogue planet?
(a) A planet that changes its orbit frequently
(b) A planet that does not orbit a star
(c) A planet that forms cold inside
(d) A planet with no moons - Answer- (b) A planet that does not orbit a star
What is a magnetic reversal?
(a) When the Earth spins in the opposite direction because of a change in the magnetic
field
(b) When the Earth's magnetic poles reverse polarity
(c) When the Earth's magnetic field disappears
(d) When lava flows uphill because of magnetic forces - Answer- (b) When the Earth's
magnetic poles reverse polarity
In which timeframe can we be 90% sure that a large earthquake will occur on a
particular fault?
(a) within months
(b) within years
(c) within decades
(d) within centuries - Answer- (d) within centuries
Which of the following occurs at subduction zones?
(a) The largest earthquakes
(b) The deepest trenches
(c) Most of the Earth's volcanoes
(d) All the above - Answer- (d) All the above
What is the largest earthquake to occur on Earth over the past 100 years?
(a) The 1960 Chilean earthquake
(b) The 1964 Alaskan earthquake
(c) The 2004 Indonesian earthquake
(d) The 2011 Japan earthquake - Answer- (a) The 1960 Chilean earthquake
True or False: There are no active faults in Indiana.
(a) True
(b) False - Answer- 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 - Answer- (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 - Answer- (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 - Answer- (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 - Answer- (d) All the above
What drives plate tectonics?
(a) Mantle convection
(b) Inertia of Earth's orbit
(c) Lunar tidal forces
(d) Gravity - Answer- (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 - Answer- (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 - Answer- (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
CORRECT ANSWERS
What is a rogue planet?
(a) A planet that changes its orbit frequently
(b) A planet that does not orbit a star
(c) A planet that forms cold inside
(d) A planet with no moons - Answer- (b) A planet that does not orbit a star
What is a magnetic reversal?
(a) When the Earth spins in the opposite direction because of a change in the magnetic
field
(b) When the Earth's magnetic poles reverse polarity
(c) When the Earth's magnetic field disappears
(d) When lava flows uphill because of magnetic forces - Answer- (b) When the Earth's
magnetic poles reverse polarity
In which timeframe can we be 90% sure that a large earthquake will occur on a
particular fault?
(a) within months
(b) within years
(c) within decades
(d) within centuries - Answer- (d) within centuries
Which of the following occurs at subduction zones?
(a) The largest earthquakes
(b) The deepest trenches
(c) Most of the Earth's volcanoes
(d) All the above - Answer- (d) All the above
What is the largest earthquake to occur on Earth over the past 100 years?
(a) The 1960 Chilean earthquake
(b) The 1964 Alaskan earthquake
(c) The 2004 Indonesian earthquake
(d) The 2011 Japan earthquake - Answer- (a) The 1960 Chilean earthquake
True or False: There are no active faults in Indiana.
(a) True
(b) False - Answer- 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 - Answer- (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 - Answer- (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 - Answer- (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 - Answer- (d) All the above
What drives plate tectonics?
(a) Mantle convection
(b) Inertia of Earth's orbit
(c) Lunar tidal forces
(d) Gravity - Answer- (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 - Answer- (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 - Answer- (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
