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WorksheetsEarth Layers
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
The four layers that make-up the earth’s composition are
a)
Crust,
Lithosphere, Mesosphere and Core
b)
Lithosphere,
Asthenosphere, Mantle and Core
c)
Crust,
Mantle, Outer Core and Inner Core
d)
Mantle,
Outer Core, Lithosphere and Crust
2.
The plastic layer of the middle mantle that contains a convection current that moves the plates is called
a)
Mesosphere
b)
Inner Core
c)
Asthenosphere
d)
Crust
3.
Large pieces of lithosphere that move around on the asthenosphere are called
a)
Crust plates
b)
Tectonic plates
c)
Mantle pieces
d)
Core plates
4.
The hypothesis that land masses spread apart from each other and have done so in the past is known as
a)
Divergent Plate Boundary
b)
Tension
c)
Uplift
d)
Continental drift
5.
Where does sea-floor spreading take place?
a)
Convergent Boundaries
b)
Transform Boundaries
c)
Land Boundaries
d)
Mid-Oceanic Ridges
6.
The core is made-up of what two elements?
a)
iron and nickel
b)
iron and oxygen
c)
nickel and silicon
d)
oxygen and silicon
7.
What is the thinnest layer of the earth’s composition?
a)
mantle
b)
inner core
c)
crust
d)
outer core
8.
The thickest layer of the earth is the
a)
crust
b)
mantle
c)
inner core
d)
outer core
9.
The strong lower part of the mantle is a physical layer called the
a)
lithosphere
b)
mesosphere
c)
athenosphere
d)
outer core
10.
The order of the earth’s compositional layers from most dense to least dense are
a)
Inner
Core, Crust, Mantle and Outer Core
b)
Crust,
Mantle, Outer Core and Inner Core
c)
Inner
Core, Outer Core, Mantle and Crust
d)
Crust,
Outer Core, Inner Core and Mantle.
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