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Earth System
Earth System
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#earth #science
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
To study Earth’s interior, geologists often rely on indirect methods, such as FOSSIL evidence.
false, seismic waves
true
2
Water vapor is water in the form of ______________.
droplets.
steam.
crystals.
gas.
3
In the mantle, heat is transferred as soft rock flows slowly in cycles known as ________.
lava
convection currents
clastic
eruption
4
When you touch a hot plate, the transfer of heat from the plate to your hand is called ______.
conduction
convection currents
convection
radiation
5
Pressure increases with depth. In what layer would you expect to have the greatest pressure?
crust
outer core
inner core
mantle
6
Describe one of the major differences between oceanic crust and continental crust.
continental crust is thicker
oceanic crust is thicker
the crust is part of the mantle
the crust is part of the asthenosphere
7
According to the theory of plate ______, Earth’s plates move very slowly in various directions.
conglomeration
tectonics
divergence
diaphonous
8
Which layer of Earth is made up partly of crust and partly of mantle material?
crust
lithosphere
mantle
athenosphere
9
The outermost layer of Earth is called the MANTLE.
false, crust
true
10
Compare and contrast the outer core and the inner core.
Outer core is molten & moves in convection currents = magnet
all answer are correct
Both are hot, iron&nickel under extreme pressure
Inner core is so much pressure that it is a solid
11
The transfer of energy through empty space is called
radiation
subduction
conduction
convection
12
Earth’s inner core is
a layer of molten metal.
a layer of hot rock.
a layer of rock that forms Earth’s outer skin.
a dense ball of solid metal
13
Which of Earth’s layers is the thickest?
the mantle
the crust
the outer core
the inner core
14
The constant movement of boiling soup in the pot is called a(n)
magnetic field.
convection current.
energy system.
conduction loop.
15
Earth’s WEATHER is the thin envelope of gases that surrounds Earth.
false, atmosphere
true
16
Holes drilled deep into Earth’s crust give direct evidence about Earth’s interior in form of
volcanic eruption.
liquid iron.
seismic waves.
rock samples.
17
Geologists learn about Earth’s interior by studying _________, which move through Earth.
eruptions
lava
seismic waves
rock samples
18
Scientists think the ____, made of liquid iron & nickel, moves, causing Earth’s magnetic field.
outer core
crust
inner core
mantle
19
Which part of Earth contains most of its mass?
hydrosphere
biosphere
geosphere
atmosphere
20
The asthenosphere is part of which layer of Earth?
inner core
mantle
crust
outer core
21
Upper layer of Earth is broken into over a dozen CONTINENTS that move slowly in all directions.
false, plates
true
22
Mantle material rises in convection currents because heated materials become MORE dense.
false, less
true
23
What is the correct order (starting from the surface) of Earth’s layers?
crust, outer core, inner core, mantle
mantle, outer core, inner core, crust
outer core, inner core, crust, mantle
crust, mantle, outer core, inner core
24
Which part of Earth contains plates?
atmosphere
lithosphere
hydrosphere
core
25
Using data from seismic waves, geologists learned that Earth’s interior is made up of several
continents
layers
ridges
trenches