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Inner Earth
Inner Earth
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#innerearth #platetectonics #crust #mantle #pangea
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What layer of the mantle is below the asthenosphere
Mesosphere
inner core
outer core
lithosphere
2
The high temperatures inside the earth are the result of
radioactive material
convection currects
conduction currects
3
Which natural disaster needs to happen for a tsunami to occur
tornado
volcano
earthquake
4
Heat from the core and the mantle causes what type of currents in the mantle?
Density
Convection
Radiation
Conduction
5
If two arrows are pointing in opposite directions on two different plates,
they are showing divergent boundary
they are showing convergent boundary
they are showing transform boundary
6
Subduction of the ocean floor takes place at
rift valleys
trenches
the lower mantle
mid-ocean ridges
7
Where would the older oceanic crust be?
at trenches
at rift valley's
by the mid-ocean ridge
8
What type of energy is stored up when transform boundaries get stuck
potential
kinetic
9
continental crust is mostly made up of
nickel
basalt
granite
10
Mountains are formed at what boundary
Subduction
Transform
Divergent
Convergent
11
Which best describes what happens when oceanic crust collides with continental crust?
The continental crust collapses, forming mountains.
The oceanic crust is pulled below the continental crust
The oceanic crust flows over the continental crust
The continental crust completely absorbs the oceanic crust
12
What causes oceanic crust to become denser and causes subduction at plate boundaries
the heat from the magma
the ocean cooling off the crust
13
Which natural features will form at the meeting of a continental and oceanic crust
volcano
flood
hurricane
earthquake
14
What is the Ring of Fire
A major belt of volcanoes that rims the gulf of mexico
A major belt of volcanoes that rims the pacific ocean
a major belt of volcanoes that rims the atlantic ocean
15
What best describes convection currents
cold magma rises and hot magma falls straight up and down
cold magma rises and hot magma fall in a circle
hot magma rises and cold magma falls straight up and down
hot magma rises and cold magma falls in a circle
16
What natural disaster occurs at a transform boundary?
hurricane
tsunami
volcano
earthquake
17
When mountain ranges on two different continents lineup is what evidence
fossils
climate change
of land features
18
Why are tsunamis difficult to predict
because they are caused by volcanoes
because they are caused by earthquakes
19
If a volcano occurs on land not near a ocean it must be on what type of boundary
Convergent
Transform
Divergent
20
At what two plates can earthquakes occur that cause tsunami's
continental and continental
Ocean and Ocean
Continental and ocean
21
How are seismic waves used to study inner earth
by their frequency
how many there are
by their speed and paths
22
Which best describes the epicenter
The point where the earthquake is its strongest
where the seismograph that first noticed the earthquake
the only area that experiences an earthquake
The most populated city affected by the earthquake
23
Two plates collide: the one plate is denser and therefore subduction occurs, the two plates are
Continental and Continental
Ocean and ocean
24
What did Wegener gather and study to support his idea about continental drift
fossils
all of the above
climate
land features
25
Which layer of the upper mantle is soft like tar
asthenosphere
outer core
inner core
lithosphere
26
Where is new ocean crust added to the sea floor
rift valley
mid-ocean ridge
trenches
27
Wegeners hypothesis was rejected because
He didn't have enough evidence from fossils
He couldn't identify the cause of continental drift
28
a fossil of a tropical plant found in an island in the Arctic Ocean is an example
evidence from land features
evidence from fossils
evident from climate change
29
Which of the following is evidence of sea-floor spreading
matching patterns of magnetic stripes in the ocean floor
volcanic eruptions along mid-ocean ridges
older rock found farther from mid-ocean ridges
all of the above
30
What is the name of the scale that measures earthquakes
richter scale
seisometer
