Why do most earthquakes and volcanos occur in areas of the Pacific Ocean called Ring of Fire?

Lithospheric plate boundaries are found in that area.

Which explains identical rock types, fossils, and mountains found on land separated by the sea?

These continents were joined together in the past.

What causes the crustal plates of the earth to move?

convection currents in the mantle

Which describes the relationship between earthquakes and volcanoes?

Earthquakes & volcanoes often are located where plates meet.

The theory of plate tectonics attempts to explain the

movement of Earth's upper layers.

The mid oceanic ridge of this cross section best represents which plate boundary?

Divergence of the African plate and the South American plate

Which feature would be very unusual if it were found somewhere on Earth's surface?

a large, non-volcanic mountain on a flat plain

How are earthquakes most likely to occur?

the pressure cracks thin areas of the crust

Collisions between oceanic plates and continental plates result from what?

Convection currents in the mantle

This is a diagram of the mid-ocean ridge. What is causing the ridge to spread apart?

two tectonic plates moving away from each other

How does magma affect the ocean floor?

It has created a long mountain range on the ocean floor.

The crustal plates of Earth move due to being dragged along with

convection currents in the mantle.

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Earth Science A 2.06-2.07 Earth Science A Earth Quakes and Volcanoes

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Review of plate boundaries, Earth Quakes and Volcanoes

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Questions 22

Answers

1
Why do most earthquakes and volcanos occur in areas of the Pacific Ocean called Ring of Fire?
Lithospheric plate boundaries are found in that area.
A lot of people live in this area.
The ocean water forces the magma to the surface.
That area of the earth is the hottest.
2
What theory explains the change in the position of the continents during Earth's history?
plate tectonics
natural selection
rock cycle
big bang
3
What kind of boundary is at a mid ocean ridge?
transform
state
convergent
divergent
4
How is the movement of the two continents shown best explained?
magnetic changes
volcanic eruptions
coastal flooding
plate tectonics
5
Which explains identical rock types, fossils, and mountains found on land separated by the sea?
Organisms swam across the sea.
The same forces erode mountains in different locations.
These continents were joined together in the past.
Some rock types are common and found everywhere.
6
An earthquake is caused by sudden shifts in which of the following layers of Earth?
inner core
outer core
mesosphere
crust
7
What causes the crustal plates of the earth to move?
the prevailing winds in the jet stream
the high tides of the oceans
the rotation of the Earth on its axis
convection currents in the mantle
8
Which describes the relationship between earthquakes and volcanoes?
Volcanic eruptions usually cause severe earthquakes.
Earthquakes & volcanoes often are located where plates meet.
Earthquakes usually cause volcanoes to erupt.
Earthquakes and volcanoes are not related in any way.
9
When two tectonic plates slip or slide past one another, what type of boundary is it called?
state
convergent
divergent
transform
10
Why would this mountain near a tectonic plate boundary continue to increase in elevation?
seafloor spreading of tectonic plates
colliding of tectonic plates
subduction of a tectonic plate
transform faulting of a tectonic plate
11
The theory of plate tectonics attempts to explain the
movement of Earth's upper layers.
gravitational forces of Earth.
composition of Earth's inner regions.
layering of sedimentary rock.
12
What landform is created when two continental plates collide?
canyon
ocean basin
volcano
mountain range
13
The mid oceanic ridge of this cross section best represents which plate boundary?
Transform faulting between the Pacific and N. American plate
Divergence of the African plate and the South American plate
Subduction of the Philippine plate by the China plate
convergence of the Nazca plate and the South American plate
14
In the diagram, which event occured at line XY?
volcanic eruption
faulting
erosion
sedimentary deposition
15
Which feature would be very unusual if it were found somewhere on Earth's surface?
a large, non-volcanic mountain on a flat plain
a deep underwater gorge near a continental shelf
a volcano under the sea
a mountain range near the seacoast
16
How are earthquakes most likely to occur?
the pressure cracks thin areas of the crust
one crustal plate moves under another
heat causes the mantle to expand
bubbles of magma rise to the surface
17
Collisions between oceanic plates and continental plates result from what?
Volcanic eruptions along coastlines
Hot liquid magma in the inner core
Meteor impacts in the ocean basins
Convection currents in the mantle
18
This is a diagram of the mid-ocean ridge. What is causing the ridge to spread apart?
one tectonic plate being pushed under another
two tectonic plates moving alongside each other
two tectonic plates moving away from each other
two tectonic plates crashing into each other
19
A boundary where two plates come together, or collide, is called a
transform boundary.
divergent boundary.
convergent boundary.
transfer boundary.
20
How does magma affect the ocean floor?
It has created a long mountain range on the ocean floor.
It has made the Atlantic waters warmer than the Pacific.
It has produced a flat, smooth ocean floor.
It has produced volcanoes along the edges of continents.
21
Earthquakes can happen far off the coast. What can also happen with this type of earthquake?
thunderstorm
global warming
volcano
tsunami
22
The crustal plates of Earth move due to being dragged along with
convection currents in the mantle.
the rotation of Earth on its axis.
prevailing winds in the jet stream.
the high tides of the oceans.

Earth Science A 2.06-2.07 Earth Science A Earth Quakes and Volcanoes Flashcards | StudBud