Download PowerPoint Presentation - Introduction to Earthquakes EASA

Review Chapter 3 – Earth’s Structure
Name: _______________________________
Period: _______
1. Label Figure 1with A, B, etc..by
selecting from the list below.
A.
B.
C.
D.
E.
F.
Mantle
Mesosphere
Core
Lithosphere
Crust
Asthenosphere
_______
_______
_______
_______
_______
_______
Figure 1
2.
What changes occur with depth into the Earth?
______________________________________________________________________
______________________________________________________________________
____
3.
What metals are present in the Core?
______________________________________________________________________
______________________________________________________________________
______
4.
In the outer, liquid layer of the Core circulation of this metal believed to create
Earth’s magnetic field (circle the correct answer).
A. Iron
B. Nickel
C. magma
D. Silicate
5.
The outer Core remains liquid due to the (circle the correct answer).
A. temperature
B. corn starch
C. pressure
D. water content
6.
The asthenosphere moves because of heat transfer by ___________________________
that sets up currents.
7.
Describe the asthenosphere’s physical properties:
___________________________________________________________________________
___________________________________________________________________________
8.
Describe the mesosphere physical properties:
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
9.
What metal is abundant in the Crust? ___________________________________
10.
Silicates are abundant in the Crust and are compounds made up of silicon,
_______________, and another element.
11.
Which layer makes up 82% of the Earth’s volume? (circle the correct answer):
A. crust
B. mantle
C. core
D. lithosphere
12.
Describe the lithosphere, what layers of the Earth does it contain?
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
13.
How does Oceanic Crust differ from Continental Crust?
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
14.
From which layer of the Earth does the “magma” that feeds volcanoes come? (circle the
correct answer):
A. asthenosphere
B. mantle
C. core
D. lithosphere
15.
The study of earthquakes and seismic waves that move through and around the earth is
called __________________________________.
16.
What type of seismic wave is shown below? _________________________________
17.
What type of seismic wave is shown below? _________________________________
18.
When a wave passes from one media into another encountering a change in density and
is bent (changes direction). This property is called:
__________________________________________________________________________
19.
A person who travels to exotic places and blows things up while researching P & S waves
is called?
___________________________________________________________________________
20.
The energy released by an earthquake is sensed and recorded by this instrument
_____________________________________________________________________
21.
What is happening to the S waves shown below and what does this tell us about the outer
layer of the Earth’s core?
___________________________________________________________________________
___________________________________________________________________________
___________________________________________________________________________
Core
22.
The “Moho” is the chemical boundary between which 2 layers of the Earth?
___________________________________________________________________________
___________________________________________________________________________
23.
What was the significant outcome of the Molehole Project?
___________________________________________________________________________
24.
A shadow zone that occurs during an eatthquake is a region on the Earth’s surface
where (circle the correct answer):
A. light is not detected
B. only P waves are detected
C. only S waves are detected
D. no seismic waves are detected.