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Plates Post Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Plates slide past one another at ____.
a.
subduction zones
c.
convection currents
b.
transform boundaries
d.
divergent boundaries
 
 
nar001-1.jpg
Figure 10-1
 

 2. 

According to Figure 10-1, what type of plate boundary occurs between the Nazca Plate and the South American Plate?
a.
convergent continental-continental plate boundary
b.
convergent oceanic-continental plate boundary
c.
convergent oceanic-oceanic plate boundary
d.
transform boundary
 

 3. 

The boundary between two plates moving together is called a ____.
a.
convergent boundary
c.
divergent boundary
b.
lithosphere
d.
transform boundary
 

 4. 

Which is the thickest layer of the Earth?
a.
outer core
c.
mantle
b.
inner core
d.
crust
 

 5. 

The hypothesis that continents have slowly moved to their current locations is called ____.
a.
continental drift
c.
convection
b.
magnetic reversal
d.
continental slope
 

 6. 

The crust and crunchy upper part of the mantle make up Earth's ____.
a.
asthenosphere
c.
core
b.
continents
d.
lithosphere
 

 7. 

A ____ forms where two oceanic plates collide.
a.
subduction zone
c.
transform boundary
b.
hot spot
d.
rift valley
 

 8. 

Plates move apart at ____ boundaries.
a.
stable
c.
convergent
b.
divergent
d.
transform
 

 9. 

What was used to discover that the youngest rocks were near the mid-ocean ridge?
a.
fishing nets
b.
ropes lowered by hand from the HMS Beagle
c.
the Glomar Challenger
 

 10. 

____ currents inside Earth might drive plate motion.
a.
Convection
c.
Horizontal
b.
Vertical
d.
none of the above
 

 11. 

The ancient continent that contained all the landmasses is called
a.
Pangaea.
c.
Gondwana.
b.
Laurasia.
 

 12. 

The ____ is (are) an example of a transform boundary.
a.
Appalachian Mountains
c.
Mid-Atlantic Ridge
b.
Himalaya
d.
San Andreas Fault
 

 13. 

Plates of the lithosphere float on the very top, gooey part of the mantle called the ____.
a.
atmosphere
c.
core
b.
crust
d.
asthenosphere
 

 14. 

Which of these statements about Earth's crust is true?
a.
It is a system of large masses called plates that slowly move together or apart.
b.
It is a changing, moving surface with the same thickness everywhere.
c.
It includes the continents, but not the ocean floor.
d.
It is a layer of solid rock that remains the same throughout time.
 

 15. 

The Moho forms a boundary between which two layers of the Earth?
a.
the upper mantle and the lower mantle
c.
the crust and the mantle
b.
the lithosphere and the asthenosphere
d.
the outer core and the inner core
 

 16. 

Which layer of the Earth is liquid?
a.
upper mantle
c.
outer core
b.
lower mantle
d.
inner core
 

 17. 

The ____ are mountains formed by the collision of the Indo-Australian Plate and the Eurasian Plate.
a.
Appalachians
c.
Himalaya
b.
Alps
d.
Rockies
 

 18. 

____ are formed when two continental plates collide.
a.
Strike-slip faults
c.
Mountain ranges
b.
Volcanoes
d.
Rift valleys
 

 19. 

What two kinds of crust are there?
a.
silicon based and iron based
c.
continental and oceanic
b.
outer and inner
d.
lithosphere and asthenospheric
 

 20. 

Which layer of the Earth is the most dense?
a.
the outer core
c.
the lower mantle
b.
the crust
d.
the inner core
 

 21. 

A deep well or mine shaft goes through which layer or layers of Earth?
a.
crust only
c.
mantle only
b.
mantle and core
d.
crust and mantle
 

 22. 

Active volcanoes are most likely to form at ____.
a.
divergent boundaries
b.
convergent oceanic–continental boundaries
c.
transform boundaries
d.
the center of continents
 

 23. 

Scientists have observed that the plates move at rates ranging from 1 cm to 12 cm per ____.
a.
day
c.
decade
b.
century
d.
year
 

 24. 

The Glomar Challenger provided support for the theory of plate tectonics by providing ____.
a.
high-altitude photos of existing continents
b.
samples of plant life from mid-ocean ridges
c.
samples of older rock found far from mid-ocean ridges
d.
direct measurements of the movement of continents
 

 25. 

The hypothesis that continents have slowly moved to their current locations is called ____.
a.
magnetic reversal
c.
convection
b.
continental drift
d.
continental slope
 



 
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