WorksheetsUnit 6 Review Layers of the Earth
Total questions: 25
Worksheet time: 2hrs 5mins
Name
Class
Date
1.
Which layer is the thinnest, outermost layer of the Earth?
a)
Crust
b)
Mantle
c)
Inner Core
d)
Outer Core
2.
Which of these statements is true about Earth’s crust?
a)
A. It includes the continents but not the ocean floor.
b)
A. It is a layer of solid rock made up of the same type of rock throughout.
c)
A. It is a changing, moving, surface with the same thickness everywhere.
d)
A. It is a made of two separate types of crust with different densities.
3.
If we compare the temperature and pressure of the Earth’s mantle to the core, what differences can we expect as we move downward into the Earth's core?
a)
Both the temperature and pressure increase.
b)
Both the temperature and pressure decrease.
c)
The temperature increases and the pressure decrease.
d)
The temperature decreases and the pressure increases.
4.
Which sublayer is made up of the crust and upper mantle?
a)
Inner Core
b)
Outer Core
c)
Lithosphere
d)
Asthenosphere
5.
What two layers of the Earth have convection currents?
a)
Crust and mantle
b)
Inner core and outer core
c)
Outer core and asthenosphere
d)
Lithosphere and asthenosphere
6.
What is the inner core composed of?
a)
Basalt
b)
Granite
c)
Solid iron and nickel
d)
Molten (liquid) iron and nickel
7.
What is the outer core composed of?
a)
silicon and oxygen
b)
magnesium and iron
c)
Solid iron and nickel
d)
Molten (liquid) iron and nickel
8.
Which statement is true about Earth’s inner core?
a)
It is under extreme heat which makes it a liquid
b)
It is the least dense layer
c)
It is under extreme pressure which makes it a solid
d)
It is as hot as the core of our sun
9.
Which layer of the Earth is the thickest and consist of magnesium and iron?
a)
Crust
b)
Mantle
c)
Inner Core
d)
Outer Core
10.
What is the relationship between the lithosphere and the asthenosphere?
a)
Convection currents in the lithosphere cause the asthenosphere to move.
b)
The crust and the core make up the lithosphere.
c)
The crust and mantle make up the asthenosphere.
d)
Convection currents in the asthenosphere cause the lithosphere to move.
11.
Oceanic crust is mostly made of ___________ and continental crust is mostly made of ___________.
a)
Granite, basalt
b)
Basalt, granite
c)
Basalt, shale
d)
Granite, slate
12.
Scientists determine the density and state of matter of Earth’s interior by using:
a)
Evidence from volcanic rocks
b)
Evidence from Seismic Waves
c)
Evidence from Continental Drift
d)
Evidence from Convection Currents
13.
Scientists determine the composition Earth’s interior by using:
a)
Evidence from volcanic rocks
b)
Evidence from Seismic Waves
c)
Evidence from Continental Drift
d)
Evidence from Convection Currents
14.
Which of the following occurs because of convection currents in the asthenosphere?
a)
The Earth's magnetic field
b)
Weather patterns are created
c)
Tectonic plates are set in motion
d)
The density of the core increases.
15.
Which of the following occurs because of convection currents in the outer core?
a)
The Earth's magnetic field
b)
Weather patterns are created
c)
Tectonic plates are set in motion
d)
The density of the core increases.
16.
What is the most abundant mineral on the surface of the Earth?
a)
Quartz
b)
Diamonds
c)
iron
d)
magnesium
17.
Which type of crust is the most dense?
a)
Oceanic crust
b)
Continental Crust
c)
Lithospheric crust
d)
Asthenopsheric crust
18.
Identify each layer - #15.
a)
Lithosphere
b)
Mantle
c)
Crust
d)
Asthenosphere
19.
Identify each layer - #16.
a)
Crust
b)
Mantle
c)
Lithosphere
d)
Asthenosphere
20.
Identify each layer - #17.
a)
Crust
b)
Mantle
c)
Lithosphere
d)
Asthenosphere
21.
Identify each layer - #18.
a)
crust
b)
mantle
c)
lithosphere
d)
asthenosphere
22.
Identify each layer - #19.
a)
mantle
b)
lithosphere
c)
inner core
d)
outer core
23.
Identify each layer - #20.
a)
mantle
b)
asthenosphere
c)
inner core
d)
outer core
24.
Which type of crust is thicker?
a)
continental crust
b)
oceanic crust
c)
lithospheric crust
d)
asthenospheric crust
25.
What this the order of the Earth's layers from densest to least dense?
a)
inner core, outer core, mantle, oceanic crust, continental crust
b)
continental crust, oceanic crust, mantle, outer core, inner cor
c)
outer core, inner core, crust, mantle
d)
mantle, inner core, outer core, oceanic crust, continental crust
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