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WorksheetsEarth's Interior
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
In which layer of the Earth are convection currents believed to occur?
a)
Outer core
b)
Mesosphere
c)
Asthenosphere
d)
Lithosphere
2.
What is the Earth's core believed to be made of?
a)
Iron
b)
Magnesium
c)
Aluminum
d)
Magma
3.
What is the liquid layer called that lies beneath the mantle and surrounds the inner core?
a)
Mesopshere
b)
Lithosphere
c)
Asthenosphere
d)
Outer core
4.
The crust is the Earth's only solid layer.
a)
True
b)
False
5.
The soft layer in which the tectonic plates move is called?
a)
Mesosphere
b)
Asthenosphere
c)
Inner core
d)
Outer core
6.
What layer of the Earth is liquid?
a)
crust
b)
mantle
c)
outer core
d)
inner core
7.
Temperature and pressure increase toward the center of the Earth.
a)
True
b)
Flase
8.
What is the solid dense layer of the Earth?
a)
Mesosphere
b)
Asthenosphere
c)
Inner core
d)
Outer core
9.
Where is the thickest part of a tectonic plate?
a)
the middle of the ocean
b)
a mt range
c)
in the center of the continent
d)
a costal plain
10.
Where is the thinnest part of a tectonic plate?
a)
the middle of ocean
b)
a mt. range
c)
center of continent
d)
a coastal plain
11.
What layer of the Earth is divided into tectonic plates?
a)
mesosphere
b)
asthenosphere
c)
Lithosphere
d)
outer core
12.
What layer of the earth is made of solid rock but flows very slowly?
a)
lithosphere
b)
mesosphere
c)
asthenosphere
d)
outer ocre
13.
The asthenosphere is the thinnest layer of the Earth
a)
True
b)
false
14.
What layer is made up of the crust and the rigid, upper part of the mantle?
a)
asthenosphere
b)
lithosphere
c)
asthenosphere
d)
outer core
15.
Which of the following appears to cause the movements of tectonic plates?
a)
Convection currents below the lithosphere
b)
Energy from vocanic activity
c)
Magnetic-pole reversals
d)
faults in mt ranges
16.
Which layer makes up most of the Earth's mass?
a)
crust
b)
mantle
c)
outer core
d)
inner core
17.
This is the process in which hot material rises while cool material sinks?
a)
slab pull
b)
convection
c)
ridge push
d)
sea-floor spreading
18.
The inner core is primarily made of iron
a)
true
b)
false
19.
What properties does the oceanic crust have compared to the continental crust?
a)
thinner and more dense
b)
thicker and more dense
c)
thicker and less dense
d)
thinner and less dense
20.
What did scientists use to discover the layers of the earths interior?
a)
volcanic eruptions
b)
seismic waves
c)
radar
d)
magnets
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