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Plate Tectonics Amplify Unit Test
Plate Tectonics Amplify Unit Test
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7th grade Amplify Unit test, Plate Tectonics #platetectonics #amplify #7thgrade
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Answers
1
Convection currents in the mantle cause
warming at the equator
freezing at the poles
hot magma to rise up and cool dense magma to sink down
cooler magma to rise up and warmer magma to sink down
2
What do the patterns in this map tell us?
volcanic activity happen first and then earthquakes.
volcanic activity and earthquakes happened in random locations on the map.
volcanic activity and earthquakes happened in similar areas.
volcanic activity can cause damage to buildings and hurt people.
3
Earthquakes are NOT caused by plate movement?
True
False
4
Which type of crust is more
dense, oceanic crust or continental crust
?
Oceanic Crust
Continental Crust
5
What is a long, deep cut in the ocean floor formed when two plates move together?
trench
ocean
mid ocean ridge
earthquake
6
The plates located on the lithosphere move.
False
True
7
The theory that states that the continents once formed a single landmass then broke apart:
Lithosphere Displacement
Laurasia
Continental Drift
Plate Movement
8
The picture is an example of what kind of plate boundary?
Breakage
Convergent
Transform
Divergent
9
Scientists think movement of tectonic plates is caused by which of the following processes?
Convection Currents
GPS
Radiation
None of these
10
Which explanation best describes how the Lystrosaurus fossils were discovered in South America and India?
They swam from one continent to the other
The plates slowly moved apart as new plates were added between them.
The plates moved slowly away from each other over millions of years.
The plates were pushed far apart by earthquakes
11
What layer of the earth is soft, solid rock underneath Earth’s plates
crust
mantle
inner core
outer core
12
Earth's crust is divided into two types
land crust and sea crust
oceanic crust and continental crust.
continental crust and continental crust
13
At transform plate boundaries, the plates slide past each other and form
blizzards
fault lines
dust storms
tidal waves
14
Sea floor spreading creates a mountain range under the ocean called a mid ocean ridge.
False
True
15
What land form is created when two plates collide?
nothing
mountains and volcanoes
solid rock
oceans
16
Which diagram shows what happens when two plates move apart. LOOK CAREFULLY!
D
C
B
A
17
A subduction zone is where two plates do what?
Collide and the more dense plate is pushed under and destroyed.
Spread apart to form new crust.
Separate and form new continents.
Collide and form mountains.
18
The scientist who came up with the Theory of Continental Drift was .......
Alfred Hitchcock
Alfred Nobel
Alfred Wegener
Alfred Marshall
19
Convection currents occur in the ____________.
Atmosphere
Mantle
Inner Core
Asthenosphere
20
Tectonic plates are located on the
asthenosphere
lithosphere
the sphere
21
The place where two plates meet is called
ocean
plate boundary
continent
the zone
22
The picture is an example of what kind of plate boundary?
Divergent
Collision
Transform
Convergent
23
The picture is an example of what kind of plate boundary?
Convergent
Divergent
Uplifting
Transform
24
At divergent plate boundaries, rock rises from the mantle and hardens, adding new solid rock, this is called
subduction zone
an earthquake
seafloor spreading
a volcano
25
Convection currents in the mantle are caused by differences in what?
Size
Temperature and Density
Composition
Mass
26
This cross section of an apple, can be compared to the inside layers of the
the mantle
earth
mars
the moon
27
What natural disasters occur because of plate movement?
Earthquakes , volcanoes and tsunamis
Hurricanes
Volcanoes and Tornados
Earthquakes and Hurricanes
28
Continents were once joined together in a single large landmass called what?
Gondwana
Pangea
Panthalassa
Laurasia
29
What plate boundaries are responsible for earthquakes?
Convergent
Transform
All three
Divergent
30
The thinnest layer of the Earth is called the:
Outer Core
Crust
Mantle
Inner Coreq
31
Alfred Wegener was so popular, everyone believed his theory.
True
False
