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WorksheetsEarth Layers
Total questions: 17
Worksheet time: 22mins
Name
Class
Date
1.
The strong lower part of the mantle is a physical layer called the
a)
lithosphere
b)
mesosphere
c)
athenosphere
d)
outer core
2.
What is the thinnest layer of the earth’s composition?
a)
mantle
b)
inner core
c)
crust
d)
outer core
3.
The thickest layer of the earth is the
a)
crust
b)
mantle
c)
inner core
d)
outer core
4.
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.
5.
Compared to Earth's crust, Earth's core is believed to be
a)
less dense, cooler, and have more iron
b)
less dense, hotter, and has less iron
c)
more dense, hotter and have more iron
d)
more dense, cooler, and have less iron
6.
What are the two kinds of crust that the Earth has?
a)
Oceanic and Crustatious Crust
b)
Oceanic and Continental Crust
c)
Optic and Continental Crust
7.
Mantle material rises in convection currents because heated materials become more dense.
a)
True
b)
False
8.
____________ occurs when heat is transferred into an object through motion or movement; an example would be boiling water.
a)
conduction
b)
convection
c)
radiation
9.
As scientists explore deeper and deeper into Earth's crust, what have they noticed about temperature and pressure?
a)
both temperature and pressure decrease
b)
both temperature and pressure increase
c)
pressure increases while temperature decreases
d)
temperature increases while pressure decreases
10.
Which layer of Earth would have the greatest density?
a)
upper mantle
b)
lower mantle
c)
inner core
d)
outer core
11.
Identify each layer - #15.
a)
Lithosphere
b)
Mantle
c)
Crust
d)
Asthenosphere
12.
Identify each layer - #16.
a)
Crust
b)
Mantle
c)
Lithosphere
d)
Asthenosphere
13.
Identify each layer - #17.
a)
Crust
b)
Mantle
c)
Lithosphere
d)
Asthenosphere
14.
Identify each layer - #20.
a)
mantle
b)
asthenosphere
c)
inner core
d)
outer core
15.
Identify each layer - #19.
a)
mantle
b)
lithosphere
c)
inner core
d)
outer core
16.
Rock that forms when minerals form from solutions or sediment from older rocks get pressed and cemented together.
a)
Sedimentary Rock
b)
Metamorphic Rock
c)
Igneous Rock
17.
Certain activities occur at different plate boundaries due to movement at the boundary. Which activity would be the MAIN result of two tectonic plates slipping past one another?
a)
Floods
b)
earthquakes
c)
island building
d)
sea floor spreading
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