Central America is a more recent landform caused by

Oceanic-Continental plate convergence

Mantle convection currents are in motion because

hot magma rises and cool magma sinks

An example of two plates sliding past each other is found at

the San Andreas Fault in California

uses sound waves to "see" things not visible

All of the following describe the oceanic crust EXCEPT:

The lighter continental crust sinks below it

Mid-oceanic ridges have all the following characteristics EXCEPT:

they are the oldest part of the seafloor

A subduction zone is where

the thinner crust goes under the thicker crust

The East African Rift Valley is caused by

A continental plate dividing into two

Which of the following is NOT one of Wegner's pieces of evidence to support Continental Drift?

Preserved mammoths have been found in frozen northern ice

The Himalayan Mountains have grown to be the tallest mountain range in the world because it

is a result of two continental plates converging

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Plate Tectonics

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Review of Alfred Wegner, Harry Hess, Seafloor Spreading, Subduction Zones, Tectonic Plate Boundaries.

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Questions 24

Answers

1
Some mantle plumes create places like Yellowstone & Lake Atitlan which are all EXCEPT
Volcanic Calderas
Magic spots
Mantle Plume locations
Supervolcanoes
2
Hot spots on the planet's surface are caused by
Mantle Plumes
Subduction Zones
Earth's Magnetic Field
Volcanoes
3
Central America is a more recent landform caused by
Seafloor spreading
Oceanic plate convergence
Oceanic-Continental plate convergence
Continental collision
4
Mantle convection currents are in motion because
hot magma rises and cool magma sinks
cool magma rises and hot magma sinks
the faster spin of the earth's inner core
magnetic waves from the outer core
5
Volcanoes are caused by
Subduction and melting
Hot Spots
Seafloor Spreading
All of the above
6
The mantle convection currents occur in
all layers of the earth
the mantle only under oceans
the asthenosphere
the lithosphere
7
An example of two plates sliding past each other is found at
the San Andreas Fault in California
the East African Rift Valley
the mid-oceanic ridge like in Iceland
Hawaii
8
SONAR
uses lasers to map the sea floor
uses x-rays to show things below a surface
uses sound waves to "see" things not visible
uses microwaves to detect objects
9
All of the following describe the oceanic crust EXCEPT:
It is thinner than the continental crust
It is made of basalt
The lighter continental crust sinks below it
It is made from seafloor spreading
10
The 12,000 mile long mile-high ridge found on the ocean floors is called
mid-oceanic ridges
Mariana Trench
the great crack
seamounts
11
The oldest island of the Hawaiian islands in the picture is
Hawaii
Oahu
Kauai
Loihi
12
Japan and Indonesia are volcanic island chains (arcs) that are caused by
an ocean plate and a continental plate colliding
two ocean plates colliding
seafloor spreading
two continental plates colliding
13
The first person to say that continents were once a supercontinent and had drifted apart was
Harry Hess
Alfred Wegner
Mama G
Albert Einstein
14
Mid-oceanic ridges have all the following characteristics EXCEPT:
they have magma rising up in their center
are the source of continental drift
they are the oldest part of the seafloor
they have pressure pushing the two sides apart
15
Harry Hess realized the continents are moving due to the process called
Subduction
Seafloor Spreading
Continental Drift
Trench building
16
A subduction zone is where
the continental plates smash together
the thinner crust goes under the thicker crust
the thicker crust goes under the thinner crust
the oceanic plates move apart
17
The following best describes the continental crust
Thick, heavy, granite
Thick, light, granite
Thin, light, granite
Thin, heavy, granite
18
The very bottom of the seafloor is also known as
the sandy plains
the great plains
the oceanic plains
the abyssal plains
19
The East African Rift Valley is caused by
A continental plate dividing into two
Subduction of oceanic plate under a continent
Two continental plates colliding
Two oceanic plates dividing
20
The 14 pieces of Earth's crust that move on top of the asthenosphere are known as
Pangaea
Drifting Plates
Oceanic and Continental Crust
Tectonic Plates
21
Which of the following is NOT one of Wegner's pieces of evidence to support Continental Drift?
Mountains of the same rock are found on both sides of oceans
Fossils of the same animal are found on opposite continents
Glacial scratches are found on rocks in the tropical jungles
Preserved mammoths have been found in frozen northern ice
22
The Himalayan Mountains have grown to be the tallest mountain range in the world because it
is a result of two oceanic plates converging
is a result of two continental plates converging
is a result movement along a huge transform plate boundary
is a result of the oceanic plate subducting
23
Today, the oceans cover the continental slopes and continental shelves because
sea levels were once much higher
sea levels are rising
ice caps are holding more ice than normal
that is the way it always is
24
The "frozen" upper part of the mantle and the crust is also known as the
Lithosphere
Asthenosphere
Continental crust
Oceanic crust

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