WorksheetsReview Questions for Plate TEctonics Test
Total questions: 40
Worksheet time: 20mins
What was Alfred Wegener's primary profession before developing his continental drift theory?
Geologist
Meteorologist
Oceanographer
Paleontologist
When did Wegener first develop his theory of continental drift?
1915
1930
1912
1880
What was the name of the ancient supercontinent that Wegener proposed existed millions of years ago?
Panthalassa
Gondwana
Laurasia
Pangaea
Which piece of evidence for continental drift involved matching coastlines?
The connection between South America and Africa
The connection between North America and Europe
The connection between Australia and Antarctica
The connection between India and Asia
What type of fossil evidence supported Wegener's theory?
Marine fossils in mountain ranges
Dinosaur fossils across continents
Glossopteris plants found across southern continents
Coral reef fossils in polar regions
Why was Wegener's theory initially rejected by the scientific community?
His data was proven incorrect
He couldn't explain the mechanism of movement
The fossil evidence was incomplete
His measurements were inaccurate
What modern technology now confirms Wegener's theory?
Seismic monitoring
GPS measurements
Satellite imaging
Ocean floor mapping
How fast do continents move according to modern measurements?
10-15 centimeters per year
1-7 centimeters per year
15-20 centimeters per year
Less than 1 centimeter per year
What was the name of the ocean that surrounded Pangaea?
Pacific Ocean
Ancient Ocean
Panthalassa
Global Ocean
Which geological evidence supported continental drift theory?
Volcanic activity patterns
Earthquake distributions
Similar rock types across continents
Ocean current patterns
The lithosphere consists of:
The outer and inner core
The mantle only
The crust and rigid upper mantle
The asthenosphere and core
What is the name of the process by which oceanic plates sink into the mantle?
Subduction
Convection
Divergence
Convergence
What is the primary cause of tectonic plate movement?
Earth's rotation
Gravitational pull from the moon
Convection currents in the mantle
Solar radiation
Which of the following plate boundaries involves plates moving past one another?
Transform
Convergent
Divergent
Subduction
What process involves the upward and downward flow of material in response to density changes from heating and cooling?
Isostasy
Subduction
Convection
Magnetism
At which type of plate boundary is new crust formed?
Transform
Convergent
Divergent
Isostatic
What evidence supported the existence of Pangaea?
Ocean currents only
Volcanic activity
Modern satellite imagery
Fossil evidence and glacial deposits
Which feature was discovered after World War II?
Continental drift
Mid-Ocean Ridge
Who discovered Earth's inner core and in what year?
R.D. Oldham in 1906
Inge Lehmann in 1936
Andrija Mohorovičić in 1909
Lord Kelvin in the late 1800s
What is the primary composition of both the inner and outer core?
Silicate rocks and minerals
Iron and nickel
Magnesium and silicon
Granite and basalt
Which scientist is credited with discovering the boundary between the crust and mantle?
Andrija Mohorovičić
Inge Lehmann
How thick is Earth's crust?
2,900 km
5,150 km
5-70 km
6,370 km
Which of the following is a unique characteristic of the inner core?
It creates Earth's magnetic field
It contains the asthenosphere
It spins slightly faster than the rest of Earth
It is primarily composed of silicate rocks
What percentage of Earth's volume does the outer core represent?
84%
Less than 1%
15%
50%
What was Harry Hess's significant contribution to Earth science in 1960?
He discovered the San Andreas Fault
He proposed the seafloor spreading hypothesis
He explained magnetic striping patterns
He discovered mid-ocean ridges
At what rate does seafloor spreading typically occur?
50-100 centimeters per year
30-40 centimeters per year
1-20 centimeters per year
100-200 centimeters per year
Which feature is characterized by high volcanic activity, frequent earthquakes, and hydrothermal vents?
Ocean trenches
Transform faults
Continental margins
Mid-ocean ridges
What is the maximum age of oceanic crust found on Earth?
180 million years
280 million years
What evidence provided by magnetic striping supports seafloor spreading?
The presence of hydrothermal vents
The depth of ocean trenches
Symmetric patterns on both sides of mid-ocean ridges
The rate of plate movement
What role do transform faults play in seafloor spreading?
They create new oceanic crust
They destroy old oceanic crust
They allow plates to slide past each other
They prevent plate movement
Where is the youngest oceanic crust typically found?
Near continental margins
At mid-ocean ridges
In ocean trenches
Along transform faults
What process occurs at ocean trenches?
Creation of new crust
Subduction
Magnetic striping
Hydrothermal venting
Who provided the explanation for magnetic striping in 1963?
Harry Hess
Wilson
Vine and Matthews
The scientific community
How does seafloor spreading relate to plate tectonics?
It contradicts plate tectonic theory
It has no relation to plate movement
It only affects continental drift
It drives plate motion
What occurs at divergent boundaries?
Plates move towards each other
Plates slide past each other horizontally
Plates move apart, creating new oceanic crust
Plates collide and form mountains
The Himalayas were formed by which type of plate interaction?
The collision of the Indian and Eurasian Plates
The separation of continental plates
Transform fault movement
Oceanic plate spreading
What characterizes transform boundaries?
Creation of new crust
Formation of mountain ranges
Horizontal sliding motion between plates
Subduction of one plate under another
Which geological features are typically associated with divergent boundaries?
Deep ocean trenches
Volcanic activity and mid-ocean ridges
Mountain ranges
Strike-slip faults
The San Andreas Fault is significant because it:
Creates new oceanic crust
Forms deep ocean trenches
Produces mountain ranges
Marks a boundary between the Pacific and North American Plates
Which process is NOT typically associated with transform boundaries?
Earthquake activity
Creation of new crust
Lateral plate movement
Fault line formation
