Plate Tectonics Scope Review Question Preview (ID: 62668)


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Approximately how many million years ago (mya) was this New York State region located at the equator?
a) 59 mya
b) 119 mya
c) 359 mya
d) 458 mya

When do scientists think these continents were joined together?
a) during the Tertiary Period, only
b) from the Cretaceous Period through the Tertiary Period
c) from the Devonian Period through the Triassic Period
d) during the Cambrian Period, only

Which map best indicates the probable locations of continents 100 million years from now if tectonic plate movement continues at its present rate and direction?
a) A
b) B
c) C
d) D

Which landmass is moving northward with Australia as part of the same tectonic plate'?
a) India
b) Antarctica
c) North America
d) South America

The theory of continental drift suggests that the
a) continents moved due to changes in the Earth's orbital velocity
b) continents moved due to the Coriolis effect caused by the Earth's rotation
c) present-day continents of South America and Africa are moving toward each other
d) present-day continents of South America and Africa once fit together like puzzle parts

The inferred latitude of Pennsylvania 362 million years ago was closest to
a) where it is now
b) the North Pole
c) the Equator
d) 45° south

During which period were North America, Africa, and South America closest?
a) Tertiary
b) Cretaceous
c) Triassic
d) Ordovician

Which statement best supports the theory of continental drift?
a) Basaltic rock is found to be progressively younger at increasing distances from a mid-ocean ridge.
b) Marine fossils are often found in deep-well drill cores.
c) The present continents appear to fit together as pieces of a larger landmass.
d) Areas of shallow-water seas tend to accumulate sediment, which gradually sinks.

Which mountain range resulted from the collision of North America and Africa, as parts of Pangea joined together in the late Pennsylvanian Period?
a) Appalachian Mountains
b) Acadian Mountains
c) Taconic Mountains
d) Grenville Mountains

Which statement represents the most logical conclusion to draw from this evidence?
a) Mesosaurus migrated across the ocean from location X to location Y.
b) Mesosaurus came into existence on several widely separated continents at different times.
c) The continents of South America and Africa were joined when Mesosaurus lived.
d) The present climates at locations X and Y are similar.

Alfred Wegener called the supercontinent
a) Wegenerland
b) Pangaea
c) Eurasia
d) All lands

Most geologists rejected Alfred Wegener’s idea of continental drift because
a) they were afraid of a new idea.
b) Wegener could not identify a force that could move the continents.
c) Wegener used several different types of evidence to support his hypothesis.
d) Wegener was interested in what Earth was like millions of years ago.

Which of the following was not used by Wegener as evidence of continental drift?
a) Fossils that were found on different continents.
b) Magnetic reversals on the seafloor.
c) The fit of the continents.
d) Evidence of glacial scratches continents found near the equator.

The slow movement of land over the earth's surface called?
a) Continental Wandering
b) Subduction
c) Continental Drift
d) Sea-floor spreading

Evidence that supports the theory of continental drift has been provided by
a) coal fields
b) all of these
c) fossils
d) glacial deposits

How does the Mesosaurus fossil evidence support the continental drift theory?
a) because it's unlikely that the Mesosaurus existed on both continents.
b) because it's unlikely that the Mesosaurus could swim between continents
c) because the Mesosaurus lived millions of years ago, when scientists believe the continents began to
d) The Mesosaurus fossil evidence does not support the continental drift theory. It proves it wrong.

Who first proposed the theory of continental drift?
a) Galileo Galilee
b) Harry Hess
c) Alfred Wegener
d) Albert Einstein

What evidence proved that South America, Africa, India, and Australia were once covered by glaciers?
a) leftover portions of glaciers
b) glacial deposits and rock surfaces scarred by glaciers
c) cold climates
d) enormous valleys formed by glaciers

What is the hypothesis that states that continents once formed a single landmass, broke up, and drifted to their present locations.
a) continental drift
b) plate tectonics
c) Pangea
d) sea-floor spreading

Which does not provide evidence of continental drift?
a) photographs
b) similar fossils
c) shapes of continents
d) similar rocks

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