that transfers heat from one part of the fluid to another, The movement of a fluid, caused by differences in temperature,

Which is evidence for the theory of plate tectonics but does not suggest that the continents were once connected?

thin layer of sediment covering ocean floor

jelly-like, gooey, with molten rock

the outer part of the middle of Earth; the only liquid layer

what causes an earthquake to happen

pressure builds up on the tectonic plates

Where is the Asthenosphere?

The Upper layer of the Earth's mantle, Below the Lithosphere

The layer of rock that forms Earth's outer surface

Why do the dots on the map tend to form a long curving line along the western edge of the Pacific Ocean?

that part is directly above the boundaries between tectonic plates

the top part of the mantle; contains convection currents

Which physical layers contain material from the mantle?

lithosphere, asthenosphere, mesosphere

What is the lithosphere

Where tectonic plates are, The crust and mantle

thinner, more dense, younger crust making ocean floor

Based on the layers present on the map, what could. this map best be used for?

to determine which areas and streets would be most at risk for flooding

What is a Seismic wave?

An elastic wave in the earth produced by an earthquake.

The layer of hot, solid material between Earth's crust and core

oceanic tectonic plate moves under another tectonic plate.

The process by which more dense oceanic crust sinks beneath a less dense cr

What evidence did Wegener have for Continental Drift?

Fossils, rock types, puzzle shape of land

Which of the following events can produce an earthquake?

movement of tectonic plates along a boundary

what is lithosphere???

crust and upper mantle of Earth

What is Magnetic Reversal?

When Earth's magnetic field reverses

It is generally older and more complex than the oceanic crust., the relatively thick part of the earth's crust that forms the large landmas

the middle of Earth; the hottest layer

What is the Mesosphere?

Strong lower part of mantle, rock flows slowly

What is an earthquake?

when the Earth's surface shakes, a sudden shaking of the Earth, all of the above, a movement of tectonic plates

studbud

Unit 3: The Restless Earth (Grade 8)

50 termsStudBud Administration490 plays

Grade 8 Ohio Science Fusion Book and external sources used.

Flashcards50 cardsFPractice quizPHost liveL

Questions 50

Answers

1
What causes an Earthquake to happen?
Hurricanes
Plates shifting
Giants stomping
Tsunamis
2
What is the most destructive seismic wave
Ocean wave
S-wave
P-wave
Surface waves
3
Convection Current
that transfers heat from one part of the fluid to another
the relatively thick part of the earth's crust that forms the large landmas
The movement of a fluid, caused by differences in temperature,
the relatively thick part of the earth's crust that forms the large landmas
4
What type of plate boundary is shown in diagram I?
Convergent
Transform
Divergent
5
Which is evidence for the theory of plate tectonics but does not suggest that the continents were once connected?
similar land features on separated, present-day continents
thin layer of sediment covering ocean floor
the interlocking of Africa and South America
matching rock layers on separate continents
6
Describe the Ocean Crust
Thicker & Less Dense
Thicker & More Dense
Thinner & More Dense
Thinner & Less Dense
7
Who proposed the theory of continental drift?
Marie Tharp
Alfred Wegener
P Diddy
Johannes Bach
8
The asthenosphere is
solid
molten
gaseous
9
Describe the Continental Crust
Thicker & More Dense
Thicker & Less Dense
Thicker & More Dense
Thinner & More Dense
10
The mantle is...
solid
jelly-like, gooey, with molten rock
thin
11
Outer core
thinner, more dense, younger crust making ocean floor
the outer part of the middle of Earth; the only liquid layer
the outer part of the middle of Earth; the only liquid layer
thinner, more dense, younger crust making ocean floor
12
what causes an earthquake to happen
the core breaks
a giant hits the earth
pressure builds up on the tectonic plates
13
What are some evidence of continental drift included what?
planets
dirt
water
ancient Fossils
14
Where is the Asthenosphere?
The Upper layer of the Earth's mantle
In the crust
By the core
Below the Lithosphere
15
Crust
A plate boundary where two plates move toward each other
The layer of rock that forms Earth's outer surface
The layer of rock that forms Earth's outer surface
A plate boundary where two plates move toward each other
16
What type of boundary is shown in diagram III?
Divergent
Convergent
Transform
17
What seismic wave comes first?
None of the above
Normal fault
S Waves
P Waves
18
What can you infer about the material below 2900 km?
The material is liquid.
The material is iron.
The material is solid.
The material is rock.
19
Why do the dots on the map tend to form a long curving line along the western edge of the Pacific Ocean?
this part of the ocean has a high rate of hurricanes and typhoons
that part is directly above the boundaries between tectonic plates
there is pressure on the sea floor there due to the weight of water
an increase in the number of tsunamis led to more earthquakes
20
Asthenosphere
the top part of the mantle; contains convection currents
ereererererer
the top part of the mantle; contains convection currents
rererererer
21
Which physical layers contain material from the mantle?
lithosphere, asthenosphere, mesosphere
crust, asthenosphere, mesosphere
crust, lithosphere, asthenosphere
mesosphere, inner core, outer core
22
is crust hard or soft
hard
soft/ chewy
23
What does the evidence of matching coastlines support?
The theory of Plate Tectonics
Theory of Natural Selection
Theory of Subduction
Theory of Formation
24
Is the inner core
¯\_(ツ)_/¯
Solid
Gas
Liquid
25
What is the lithosphere?
the air around the planet
the hard parts of the earth
the soft parts of the earth
26
What is the lithosphere
Where tectonic plates are
The crust and mantle
The ocean
Presents
27
oceanic crust
thinner, more dense, younger crust making ocean floor
A mass of hot rock that has melted into a liquid/fluid
thinner, more dense, younger crust making ocean floor
A mass of hot rock that has melted into a liquid/fluid
28
The mantle is the thickest
False
True
29
Based on the layers present on the map, what could. this map best be used for?
to determine which areas and streets would be most at risk for flooding
to study the effect erosion has had on the path of the river
to find directions from one place to another within the town
to compare the elevations of the streets and surrounding areas
30
What is a Seismic wave?
An elastic wave in the earth produced by an earthquake.
It's like focus
It's like epicenter
It's a ocean wave
31
What is the name of the hypothesis that is shown by this process?
continental drift
subduction
plate tectonics
magnetic reversals
32
What type of plate boundary is shown in diagram II?
Divergent
Convergent
Transform
33
The core consists mainly of
oxygen
silicon
iron
magnesium
34
Mantle
The layer of hot, solid material between Earth's crust and core
The layer of hot, solid material between Earth's crust and core
contains the crust and top part of the mantle; these are the plates that mo
contains the crust and top part of the mantle; these are the plates that mo
35
What is subduction?
a valley that forms when two plates move apart.
It is when gravity pushes old material aside.
plates that converge onto eachother.
oceanic tectonic plate moves under another tectonic plate.
36
What is A in the diagram?
Crust
Outer core
Mantle
Inner core
37
Subduction
When molten material adds new oceanic crust to the ocean floor
When molten material adds new oceanic crust to the ocean floor
The process by which more dense oceanic crust sinks beneath a less dense cr
ust and back into the mantle at a convergent plate boundary; forms a deep-o
38
What evidence did Wegener have for Continental Drift?
magnetic striping, fossils, puzzle shape of land
Fossils, rock types, puzzle shape of land
seafloor spreading, volcano locations
rock types, earthquake location, magnetic striping
39
What type of tectonic plate boundary is shown in the diagram?
Transform
Divergent
Convergent
Continental
40
Which of the following events can produce an earthquake?
movement of tectonic plates along a boundary
the violent shaking of sections of the lithosphere
the crash of tsunamis against a shoreline
convection of hot rock deep within the mantle
41
what is lithosphere???
all waters on Earth's surface
continent submerged under shelf sea
places on earth occupied by living organisms
crust and upper mantle of Earth
42
What is Magnetic Reversal?
When every magnet in the world suddenly stops working
When the magnetic field spins for three days
When the poles shake and break apart
When Earth's magnetic field reverses
43
The lithosphere moves like liquid
False
True
44
continental crust
It is generally older and more complex than the oceanic crust.
A dark, dense, igneous rock with a fine texture, found in oceanic crust
A dark, dense, igneous rock with a fine texture, found in oceanic crust
the relatively thick part of the earth's crust that forms the large landmas
45
Inner core
A usually light colored igneous rock that is found in continental crust
the middle of Earth; the hottest layer
the middle of Earth; the hottest layer
A usually light colored igneous rock that is found in continental crust
46
At what type of tectonic plate boundary do fault-block mountains most often form?
divergent
convergent
rift
transform
47
What is the Mesosphere?
Strong lower part of mantle, rock flows slowly
Solid dense center of Earth, extends from outer core to the center .
Liquid layer of Earth's core, and surrounds inner core
weak/soft mantle, and tectonic plates move around.
48
What is an earthquake?
when the Earth's surface shakes
a sudden shaking of the Earth
all of the above
a movement of tectonic plates
49
We know Plate Tectonics exist because :
The mass of each layer of the Earth
The outer core
The landforms on the Earth
The radiation of the sun
50
Which type of stress is most likely to occur at convergent plate boundaries?
faulting
compression
shear stress
tension

Unit 3: The Restless Earth (Grade 8) Flashcards | StudBud