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Earth's Interior
Earth's Interior
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Chapter 1 Review of Concepts Earth's Interior
Flashcards
20 cards
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Questions
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Answers
1
The scientist who first proposed the hypothesis of continental drift was
Alfred Wegner
Bill Nye
Isaac Newton
Neil DeGrasse Tyson
2
The direct evidence that scientists have concerning the properties of the asthenosphere is
heat of volcanic lava comes from the asthenosphere
dense rock samples come from the asthenosphere
ontinents must be floating on a fluid of some kind
Lightweight crustal rocks are from the asthenosphere
3
The Earth's inner core and outer core differ. Evidence is provided by
Lava from volcanoes
surface rocks on the moon
Earth's oceans
Earth's magnetic field
4
The difference between the Earths Lithosphere and Asthenosphere is that the Asthenosphere is
molten liquid rock
Rocky and wet
Hard and rigid
Soft enough to slowly flow
5
Which is Evidence Wegener used to support his hypothesis of continental drift?
Fossil Evidence of a past climate change
Ocean Depths near continents
Position of the oceans & seas on Earth
location of glaciers on earth today
6
Earth can be simplified as 4 main Layers. They are in Order:
Crust, Mantle, Outer Core, Inner Core
Mantle, Crust, Inner Core, Outer Core
Outer Core, Inner Core, Crust, Mantle
Crust, Outer Core, Inner Core, Mantle
7
Wegener's theory was not accepted at first because
the people just did not care about continents moving
he could not explain how the continents moved
there were not that many scientist in geology to check
Too much Evidence
8
Wegener also pieced together evidence from __________ to show that continents once fit together
The age and type of rock in mountain ranges
All of these are evidence
Landforms like mountain ranges
coastlines that roughly fit together
9
What scientists know comes from Direct and Indirect Evidence. An example of direct evidence is
Rock Samples
gut feeling you are correct
sound waves
Seismic Waves
10
The Theory that Earth's landmasses slowly move is called
the theory of pangea
The theory of continental drift
the theory of relativity
the theory of evolution
11
Scientists explain the movement of Earths tectonic plates occurs
because they are floating on the oceans
because heat creates convection currents in the mantle
because the earth is spinning
because of volcanoes and earthquakes
12
Scientists must ____ the earths layers because they cannot gather _____ from inside the earth
infer, rock samples
build, material
design, information
guess, evidence
13
The movement of heated material upward and cool material downward is is called
Contraction
Conduction
Coriolis Force
Convection
14
seismic waves allow scientists to infer the thickness of earth's internal layers because they
get bounced back immediately to the surface
reach to all parts of the earth
change speed and direction as they pass through the earth
never enter earth's interior
15
A model that represents earth's interior and broken crust is
An Egg
An apple
A basketball
A frisbee
16
Earth's outer core is ______ iron & nickel
molten
cooled
very dense and hardened
solid
17
An example of Indirect Evidence is...
Rock Samples
Drill Cores
Seismic Waves
gut feeling you are correct
18
What substances must the Earths core be composed of to create its magnetic field?
Iron and Nickel
Aluminum and Copper
Potassium and Sulfur
Carbon and Silicon
19
A 60 Mile thick region of the Interior of Earth, that is made of upper mantle and crust is
Lithosphere
Crust
Mantle
Asthenoshpere
20
Earth's Lithosphere is broken up into pieces called _______?
rafts
plates
mesas
mountains and basins
