WorksheetsPlate Tectonics
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
Scientists learn about our planet's interior from
a)
tracking seismic waves
b)
probes in deep mines
c)
diving into deep ocean trenches
d)
satellite imagery
2.
The lithosphere
a)
is partially molten
b)
is brittle
c)
behaves plastically
d)
can flow
3.
How did Wegener explain the presence of Mesosaurus fossils on Africa and South America?
a)
The continents were joined when Mesosaurus lived and then moved apart.
b)
Mesosaurus swam across the Atlantic Ocean
c)
a land bridge across the Atlantic Ocean connected the two continents
d)
Aliens
4.
Which process moves heat from the warmer to cooler places until all are the same temperature?
a)
radiation
b)
convection
c)
conduction
d)
reduction
5.
During the time of Pangaea,
a)
organisms lived side-by-side that are now fossils on distant continents.
b)
there was no Atlantic Ocean.
c)
there was one magnetic north pole.
d)
all of the above.
6.
Everywhere across the seafloor, scientists find
a)
flat, sediment covered bathymetry.
b)
increasing crust thickness toward the mid-ocean ridges.
c)
magnetic stripes with normal or reversed polarity.
d)
crabby patties.
7.
Volcanoes are found at __________ plate boundaries.
a)
all three types of
b)
divergent and convergent
c)
convergent and transform
d)
transform and divergent
8.
What type of plate boundary is found at the San Andreas Fault?
a)
transform
b)
convergent
c)
divergent
d)
none of the above
9.
With distance from the mid-ocean ridge
a)
the rocks become younger
b)
the crust becomes thicker
c)
the sediment becomes thinner
d)
volcanoes become older
10.
All deep sea trenches are located
a)
in the middle of the oceans
b)
at the edges of continents
c)
in the polar regions
d)
near chains of active volcanoes
11.
The place where two plates come together is known as a _______ boundary.
a)
rift
b)
convergent
c)
transform
d)
divergent
12.
Scientists think that convection currents flow in Earth�s _______
a)
inner core.
b)
lithosphere.
c)
mantle.
d)
continents.
13.
Using data from seismic waves, geologists have learned that Earth�s interior is made up of several _______
a)
trenches
b)
ridges
c)
continents
d)
layers
14.
A place where two plates slip past each other, moving in opposite directions, is known as a _______ boundary.
a)
transform
b)
rift
c)
divergent
d)
convergent
15.
Most geologists think that the movement of Earth�s plates is caused by _______
a)
conduction
b)
earthquakes
c)
convection currents in the mantle
d)
Earth's magnetic field.
16.
What did scientists notice when they observed the mid-ocean ridge?
a)
pillow-shaped rocks formed by the rapid hardening of molten material
b)
convection currents in the ocean caused by rapid cooling of molten material
c)
the movement of Earth's plates
d)
a convergent boundary
17.
In sea-floor spreading, molten material rises from the mantle and erupts _______
a)
along the edges of all the continents.
b)
along mid-ocean ridges.
c)
in deep-ocean trenches.
d)
at the north and south poles.
18.
Most geologists rejected Alfred Wegener�s idea of continental drift because _______
a)
they were afraid of a new idea.
b)
Wegener was interested in what Earth was like millions of years ago.
c)
Wegener used several different types of evidence to support his hypothesis.
d)
Wegener could not identify a force that could move the continents.
19.
What is the correct order (starting from the surface) of Earth�s layers?
a)
crust, outer core, inner core, mantle
b)
mantle, outer core, inner core, crust
c)
crust, mantle, outer core, inner core
d)
outer core, inner core, crust, mantle
20.
Heat transfer within a fluid takes place by _____
a)
density
b)
conduction
c)
radiation
d)
convection
21.
Is the rock at Y colder or hotter than the rock at X?
a)
colder
b)
hotter
22.
What is happening at A?
a)
convection
b)
subduction
c)
induction
d)
radiation
100 %
