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Earth's Layers
Test Description: Review of Earth's Layers
Instructions: Answer all questions to get your test result.
1) In which layer of Earth are the deepest wells and holes?
A
mantle
B
crust
C
outer core
D
inner core
2) The layer of Earth that impacts the movement of Earth's tectonic plates is
A
inner core
B
mantle
C
outer core
D
crust
3) The only liquid layer of Earth is
A
the crust
B
the outer core
C
the inner core
D
the mantle
4) The lithosphere consists of
A
crust and outer core
B
crust and lower mantle
C
continental crust and oceanic crust
D
crust and upper mantle
5) How have scientists learned about Earth's layers?
A
by measuring the electromagnetic spectrum
B
by studying earthquake movement
C
by studying and measuring the temperature of lava from volcanoes
D
by digging down deep to measure the temperature of magma
6) The inner and outer core are made mainly of which two metals
A
Iron and nickel
B
Nickel and carbon
C
magnesium and nickel
D
magnesium and iron
7) The inner core is solid because
A
nickel is very dense making it solid
B
iron is very dense and it is solid
C
of extreme pressure
D
iron and nickel are solid
8) The thickest layer of Earth is the
A
inner core
B
mantle
C
outer core
D
crust
9) The order of Earth's layers from LEAST dense to MOST dense is
A
crust, mantle, outer core, inner core
B
inner core, outer core, mantle, crust
C
outer core, inner core, mantle, crust
D
crust, outer core, inner core, mantle
10) The plastic-like layer of Earth which allows the lithosphere to move is
A
asthenosphere
B
outer core
C
inner core
D
lithosphere
11) The layer responsible for Earth's magnetic field is
A
the inner core
B
the outer core
C
the crust
D
the mantle
12) The solid layer of Earth comprised of iron and nickel is
A
the crust
B
the mantle
C
the outer core
D
the inner core
13) The two types of rock that make up the oceanic crust and continental crust respectively are
A
basalt and marble
B
obsidian and granite
C
granite and marble
D
basalt and granite
14) The ______ is comprised of both dry land (continental) and land under the oceans (oceanic).
A
inner core
B
crust
C
mantle
D
outer core
15) Convection currents (responsible for plate movement) are found in the
A
mantle
B
outer core
C
inner core
D
crust
16) The thinnest layer of Earth is the
A
crust
B
mantle
C
outer core
D
inner core
17) Which of the following statements is an OPINION about the mantle?
A
The mantle is the most important layer of the Earth
B
heat churns through the mantle
C
the mantle contains iron, silicone, magnesium, and oxygen
D
It makes up most of the mass of Earth's layers
18) When a material heats up, rises, cools, and sinks, then repeats the cycle is called a
A
radiation current
B
convection current
C
advection current
D
conduction current
19) The portion of the mantle that consists of plastic-like (like silly putty) in which convection currents move is the
A
lithosphere
B
mesosphere
C
outer core
D
asthenosphere
20) What something is made of is
A
condition
B
conduction
C
convection
D
composition
*select an answer for all questions
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