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Inside the Earth Flashcards | StudBud
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Inside the Earth
Inside the Earth
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1
What makes up the inner and outer core?
iron and nickel
gold and silver
Lava
solid rock
2
What U.S. state is made from a chain of volcanic islands?
Iceland
Alaska
Cuba
Hawaii
3
What kind of boundary is this?
Divergent
Convergent
Transform
Vertical
4
A volcano that is currently or close to erupting in the near future.
extinct
calderas
dormant
active
5
At mid-ocean ridges, magma is forced upward to produce seafloor what?
drifting
cooling
spreading
6
Alfred Wegener believed that our earth was made of one giant landmass called what?
Mesosphere
Paleozoic
Plate tectonics
Pangaea
7
What causes the mantle to flow?
convection currents
conduction currents
electromagnetic currents
radiation currents
8
What is seafloor spreading?
Tectonic plates moving together
Tectonic plates moving apart
The sea floor getting smaller
The sea floor bending
9
Which describes the crust? (Where we live)
soft fluid-like rock made of minerals
sticky, soft rock
cool, solid rock
hot, liquid rock made of metals
10
Mountain ranges will form when...?
plates collide together and push up
plates slip past eachother
the earth gets old and wrinkles
plates pull apart
11
What is an ocean ridge?
An underwater valley
mountains above water
several volcanoes in a line
An underwater mountain system
12
The hypothesis, or theory, that continents move slowly is called what?
seafloor spreading
continental drift
mid-ocean ridges
convection
13
What is one piece of evidence that supported Wegener's theory?
myths passed down from ancient people
monitoring of plate movement
similar plant and animal fossils on different continents
the continents do not look like they fit together
14
What is hot, molten rock called after it comes out of the earth?
lava
hot stuff
geyser
magma
15
Which describes the inner core?
cool, solid rock
hot, solid rock
hot, liquid rock
soft, weak, fluid-like rock
16
What is the asthenosphere (part of the mantle) made of?
crust
solid rock
solid iron and nickle
soft rock that flows
17
What is a scale used to measure the shaking of an earthquake?
seismograph
Wegner
Richter
pounds
18
What is hot, liquid molten rock inside the earth called?
magma
lava
ash
19
What are the 3 stages of a volcano?
Extinct,dormant, active
Low, medium, high
hot, medium, mild
extinct, on fire, asleep
20
What kind of plate movement is this?
Landslide faulting
horizontal faulting
strike slip faulting
vertical faulting
21
The point inside the earth where an earthquake originates.
focus
fault
seismograph
epicenter
22
How do we know mountains were not formed by wrinkles in the Earth's crust?
Mountains would not be on the earth's surface
Mountains are not spread evenly over the Earth's surface
Mountains are only formed by volcanoes
Mountains occur in random places
23
What moves the tectonic plates?
earthquakes
vinegar and baking soda
conduction
convection currents
24
Which can be predicted ahead of time the most accurately?
volcanoes
trenches
tsunamis
earthquakes
25
What is it called when two tectonic plates meet?
boom
crashing plates
divergent boundaries
convergent boundaries
26
When one tectonic plate slides under another is called this...
abduction
crashing plates
strike slip fault
subduction
27
What evidence was Wegener lacking to prove his theory?
reversal of climates
matching fossils
proof as to how the continents drifted
matching mountains
28
How do the plates move at a divergent boundary?
they slides past each other
they pull away from each other
they push together
they push one plate under the other
29
When two plates collide, what can form?
mountains
valleys
oceans
30
What can result from vertical faulting?
earthquakes and volcanoes
mountains and tsunamis
trenches and mountains
mountains and volcanoes
