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WorksheetsPlate Tectonics
Total questions: 22
Worksheet time: 44mins
Hypothesis that states that the continents once formed a single landmass then broke apart:
Lithospheric Displacement
Plate Tectonics
Pangaea Hypothesis
Continental Drift
What is the name of the scientist who first theorized the idea of continental drift?
Harr Hess
Alfred Wegner
Marie Therp
Alfred Hess
Which type of crust is less dense and thicker?
Oceanic Crust
Continental Crust
Lithospheric Crust
Where do convection currents occur?
Lithosphere
Inner Core
Outer Core
Mantle
Continents were once joined together in a single landmass called what?
Pangaea
Laurasia
Gondwana
Panthalassa
Which type of crust will subduct under the other
Oceanic
Continental
Lithospheric
What kind of plate boundary is shown?
Convergent
Divergent
Transform
Collision
Where does sea-floor spreading occur?
Mid-Ocean ridges
Magnetic Reversals
Mariana trench
Subduction Zones
What plate boundary is most responsible for earthquakes?
Transform Boundary
Convergent Boundary
Divergent Boundary
Collision Boundary
What kind of plate boundary is shown?
Divergent Boundary
Continental - Oceanic Convergent
Mid-Ocean Ridge
Oceanic - Oceanic Convergent
What occurs at a subduction zone?
Plates diverge and one is pushed under and destroyed.
Plates diverge apart to form new crust.
Plates converge and form mountains.
Plates slip laterally against one another.
Convection currents in the mantle are caused by differences in what?
Mass and Temperature
Composition and Mass
Density and Temperature
Density and Composition
What kind of plate boundary is shown?
Divergent Boundary
Oceanic - Oceanic Convergent
Transform Boundary
Volcanic Island Arc
Which of the following is not evidence of sea-floor spreading?
Paleomagnetism
Earthquake Patterns
Ages of ocean floor rock
Mountain ranges
Which scientist was the first to create a scientific map of the ocean floor?
Alfred Wegener
Harry Hess
Marie Tharp
What is typically a result of a continental and oceanic plate converging?
Continental Volcanic Arc
Mountains
Mid-Ocean Ridge
Rift Valley
What is the Red Sea caused by?
Convergent Boundary
Rift Valley
Volcanic Island Arc
Earthquakes
Which of the following pieces of evidence was NOT used by Alfred Wegener to construct the theory of continental drift?
Identical rocks and fossils were found on opposing coastlines.
The coastlines of South America and Africa look complementary.
The magnetic orientation of rocks is symmetrical on either side of mid-ocean ridges.
If the continents were placed together, glacial striations would match.
What is typically a result of two oceanic plates converging
Continental Volcanic Arc
Volcanic Island Arc
Mountain Ranges
Rift Valley
Of the following statements, which statement is truest?
Continental crust is younger than oceanic crust, as it is lighter than oceanic crust.
Oceanic crust is younger than continental crust, as it is constantly formed and destroyed.
Oceanic crust is older than continental crust, as it is heavier than continental crust.
Oceanic crust turns into mountain ranges at subduction zones
Symmetrical magnetic stripes in the ocean floor on either side of a mid-ocean ridge support–
the formation of the supercontinent Pangea.
the subduction of oceanic crust into the mantle.
the spreading of ocean floor on both sides of oceanic ridges.
the radioactive decay of uranium into lead.
Which of the following best describes where the youngest and oldest crustal rocks can be found on the Earth?
The oldest crustal rocks are found high in the mountains and the youngest at sea level.
The oldest crustal rocks are found at the edges of continents and the youngest in the center.
The oldest crustal rocks are found on continents and the youngest on the ocean floor.
The oldest crustal rocks are found at the North and South Pole and the youngest at the equator.
