Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Ch. 6 Plate Tectonics
Test Description: Test review for plate tectonics, continental drift, sea-floor spreading, subduction, Pangaea, etc.
Instructions: Answer all questions to get your test result.
1) According to Wegener's hypothesis of continental drift,
A
the continents do not move.
B
Earth is slowly cooling and shrinking.
C
Earth's surface is made up of seven major landmasses.
D
the continents were once joined together in a single landmass.
2) What is Pangaea?
A
another name for continental drift
B
the name of a German scientist.
C
the name of an ancient fossil
D
the name of the super-continent that existed millions of years ago.
3) Any trace of an ancient organism that has been preserved in rock is called a
A
continent
B
landform
C
landmass
D
fossil
4) What technology did scientists use in the mid-1900s to map the mid-ocean ridge?
A
satellites
B
submarines
C
sonar
D
deep-sea diving
5) In sea-floor spreading, molten material rises from the mantle and erupts
A
at the north and south poles
B
in deep-ocean trenches
C
along mid-ocean ridges
D
along the edges of all continents
6) Old oceanic crust is more dense than new oceanic crust because it is
A
cool
B
hot
C
moving toward a deep-ocean trench
D
closer to the mid-ocean ridge
7) Most geologists think that the movement of Earth's plates is caused by
A
conduction
B
Earth's magnetic field.
C
convection currents in the mantle
D
earthquakes
8) The geological theory that states that pieces of Earth's lithosphere are in constant, slow motion is the theory of
A
sea-floor spreading
B
plate tectonics
C
deep-ocean trenches
D
subduction
9) A place where two plates slip past each other, moving in opposite directions, is known as a
A
rift valley
B
transform boundary
C
convergent boundary
D
divergent boundary
10) A collision between two pieces of continental crust at a convergent boundary produces a
A
mid-ocean ridge
B
deep-ocean trench
C
rift valley
D
mountain range
11) How did scientists discover that rocks farther away from the mid-ocean ridge were older than those near it?
A
by measuring how fast sea-floor spreading occurs
B
by determining the age of rock samples obtained by drilling on the sea floor
C
by mapping rocks on the sea floor using sonar
D
by observing eruptions of molten material on the sea floor.
12) Wegener believed that the continents had once been joined in one landmass called ________.
A
Eurasia
B
Pangaea
C
Earth
D
Tectonic Plates
13) The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as
A
subduction
B
convection
C
continental drift
D
conduction
14) A rift valley forms at a
A
divergent plate boundary
B
deep-ocean trench
C
transform boundary
D
convergent plate boundary
15) The place where two plates come together is known as a
A
rift valley
B
divergent boundary
C
convergent boundary
D
transform boundary
16) If subduction occurs faster than oceanic crust can be created, an ocean will
A
shrink
B
stay the same
C
expand
D
never change
17) Oceanic crust near the mid-ocean ridge is ___________ than oceanic crust farther away from the ridge.
A
harder
B
younger
C
older
D
the same
18) The hypothesis of _______________ was that all the continents once were joined as a single supercontinent and have since drifted apart.
A
plate tectonics
B
Pangaea
C
convection currents
D
continental drift
19) The process of __________________ continually adds new crust to the ocean floor along both sides of the mid-ocean ridge.
A
sea-floor spreading
B
subduction
C
deep-ocean trench
D
rift valley
20) The lithosphere is broken into sections called ________________, which float on top of the asthenosphere.
A
continents
B
crust
C
plates
D
oceans
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?