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Tectonic Plates Basics
Test Description: Grades 6-8 Earth Science
Instructions: Answer all questions to get your test result.
1) Tectonic plates are huge pieces of Earth's ___.
A
asthenosphere
B
mantle
C
lithosphere
D
mesosphere
2) Which of the following is true?
A
A continent and a tectonic plate are exactly the same thing.
B
Tectonic plates are a part of a continent.
C
Continents and tectonic plates are NOT related to one another.
D
Continents are a small part of a tectonic plate.
3) Most tectonic plate boundaries are found ___.
A
in the middle of continents
B
deep underground - hidden from view
C
following the shorelines around each continent
D
on the seafloor - under the ocean
4) The edges of tectonic plates are mostly ___.
A
calm - with fewer natural disasters
B
none of these
C
violent - with many natural disasters
5) The middle of tectonic plates are mostly ___.
A
calm - with fewer natural disasters
B
none of these
C
violent - with many natural disasters
6) ___ is when heat flows in circular currents.
A
conduction
B
insulation
C
convection
D
radiation
7) The convection cells that move tectonic plates are found in the ___.
A
outer core
B
lithosphere
C
asthenosphere
D
mesosphere
8) Tectonic plates move ___.
A
a few inches each year
B
a few miles each day
C
a few miles each year
D
a few inches each day
9) Which is the following is true?
A
The continents move across Earth's surface over LONG periods of time.
B
Neither the continents or the tectonic plates move.
C
The continents move across Earth's surface over SHORT periods of time.
D
Tectonic plates move across Earth's surface - but the continents do not.
10) ___ are used to track the speed and direction that the tectonic plates are moving.
A
ocean buoys
B
GPS satellites in space
C
military aircraft
D
naval ships and submarines
11) Natural disasters, like ___, are all created by tectonic plate boundaries.
A
hurricanes, tornadoes, and super-cell thunderstorms
B
earthquakes, hurricanes, and wildfires
C
earthquakes, volcanic eruptions, and tsunamis
D
wildfires, volcanic eruptions, and hurricanes
12) A tsunami is a giant wave created by ___.
A
stronger than normal tides
B
an earthquake
C
high winds
D
none of these
13) Which of the following landforms are created at tectonic plate boundaries?
A
all of these
B
volcanoes
C
volcanic islands
D
new mountain chains
14) A supercontinent is ___.
A
when most of Earth's continents are joined together into one large landmass
B
a continent that is surrounding by many volcanic islands
C
a continent that is NOT part of a tectonic plate
D
a very large continent
15) A ___ plate boundary is where plates move away from each other or DIVIDE.
A
transvergent
B
transform
C
convergent
D
divergent
16) A ___ plate boundary is where plates move towards each other or COLLIDE.
A
transform
B
convergent
C
divergent
D
transvergent
17) A ___ plate boundary is where plates grind past each other sideways in opposite directions or SLIDE.
A
transvergent
B
convergent
C
transform
D
divergent
18) Continental crust is ___ compare to oceanic crust.
A
thinner and heavier
B
thicker and more lightweight
C
thicker and heavier
D
thinner and more lightweight
19) Oceanic crust is ___ - compared to continental crust.
A
thicker and heavier
B
thinner and more lightweight
C
thicker and more lightweight
D
thinner and heavier
20) About how many major tectonic plates are part of the lithosphere?
A
50
B
100
C
3
D
10
*select an answer for all questions
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