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WorksheetsEarth Layers
Total questions: 35
Worksheet time: 33mins
Name
Class
Date
1.
Why is the Inner Core solid?
a)
Extreme Heat
b)
High Pressure
c)
All the layers are solid
d)
It's made of rock
2.
Which layer of the Earth is the most dense?
a)
crust
b)
mantle
c)
inner core
d)
outer core
3.
What do geologists call the crust and upper mantle?
a)
asthenosphere
b)
stratosphere
c)
mesosphere
d)
lithosphere
4.
Which layer of the Earth is responsible for Earth's magnetic field?
a)
outer core
b)
inner core
c)
mantle
d)
crust
5.
True or False
The Earth's thin shell of hard rock is called the crust.
The Earth's thin shell of hard rock is called the crust.
a)
True
b)
False
6.
True or FalseThe most abundant elements in the Earth's crust are silicon and oxygen.
a)
True
b)
False
7.
Identify each layer - #15.
a)
Lithosphere
b)
Mantle
c)
Crust
d)
Asthenosphere
8.
Identify each layer - #16.
a)
Crust
b)
Mantle
c)
Lithosphere
d)
Asthenosphere
9.
Identify each layer - #17.
a)
Crust
b)
Mantle
c)
Lithosphere
d)
Asthenosphere
10.
Identify each layer - #20.
a)
mantle
b)
asthenosphere
c)
inner core
d)
outer core
11.
Identify each layer - #19.
a)
mantle
b)
lithosphere
c)
inner core
d)
outer core
12.
The strong lower part of the mantle is a physical layer called the
a)
lithosphere
b)
mesosphere
c)
athenosphere
d)
outer core
13.
The central part of the Earth below the mantle
a)
Crust
b)
Asthenosphere
c)
Core
d)
Mantle
14.
The soft layer of the mantle on which the tectonic plates move
a)
Asthenosphere
b)
Outer Core
c)
Mantle
d)
Mesosphere
15.
The layer of rock between the Earth's crust and core
a)
Inner Core
b)
Outer Core
c)
Crust
d)
Mantle
16.
Large pieces of lithosphere that move around on the asthenosphere are called
a)
Crust plates
b)
Tectonic plates
c)
Mantle pieces
d)
Core plates
17.
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
18.
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
19.
What is the thinnest layer of the earth’s composition?
a)
mantle
b)
inner core
c)
crust
d)
outer core
20.
The thickest layer of the earth is the
a)
crust
b)
mantle
c)
inner core
d)
outer core
21.
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.
22.
The thin and solid outermost layer of the Earth above the mantle
a)
Mantle
b)
Inner Core
c)
Crust
d)
Outer Core
23.
The solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle
a)
Lithosphere
b)
Mesosphere
c)
Mantle
d)
Crust
24.
What are the layers of the Earth from the inside out in order?
a)
inner core, outer core, mantle, crust
b)
crust, mantle, outer core, inner core
c)
outer core, inner core, crust, mantle
d)
mantle, inner core, crust, outer core
25.
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
26.
Temperature _____________________ as you go deeper into the earth.
a)
increases
b)
decreases
c)
goes up and down depending on the layer
d)
stays the same
27.
Pressure ______________________ as you go deeper into the Earth
a)
increases
b)
decreases
c)
goes up or down depending on the layer
d)
stays the same
28.
what is not a layer of the Mantle?
a)
Lithosphere
b)
Stratosphere
c)
Asthenosphere
d)
Mesosphere
29.
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
30.
Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?
a)
asthenosphere
b)
crust
c)
lithosphere
d)
inner core
31.
What is the lowest layer of the mantle called?
a)
mesosphere
b)
lithosphere
c)
asthenosphere
d)
biosphere
32.
Which layer of the earth creates the earth's magnetic field?
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner Core
33.
What causes convection currents to occur in the Mantle?
a)
heat from the crust
b)
heat from the mantle
c)
heat from the core
d)
heat from the sun
34.
____________ occurs when heat is transferred into an object through motion or movement; an example would be boiling water.
a)
conduction
b)
convection
c)
radiation
35.
Mantle material rises in convection currents because heated materials become more dense.
a)
True
b)
False
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