Name: ___________________________________ Date: ____________ Period: _____
Due Date of Review Sheet: _______________________ Quiz Date: _______________
Lessons 3-5 Review Sheet
Part 1 – Multiple Choice
1. What is a seismogram?
a. A machine that records earthquake vibrations
b. A type of earthquake wave
c. A recording made by a seismograph
d. The damage done by an earthquake
2. In the seismogram lab, the harder we hit the table, the larger the waves were on
the seismogram. This means that…
a. The smaller the earthquake, the larger the waves.
b. The farther away the earthquake is, the more accurate the reading will be.
c. The larger the earthquake, the smaller the waves.
d. The larger the earthquake, the larger the waves.
3. What is the “focus” of an earthquake?
a. Another name for epicenter.
b. The place where the rupture begins and the energy is released.
c. The place on the earth’s surface directly above the epicenter.
d. Where the seismogram begins recording.
4. True or False: The Ring of Fire runs down the middle of the Atlantic Ocean
floor.
a. True
b. False
c. If the answer is false, write the correct answer on the line below
________________________________________________
5. What is intensity?
a. Measure of the total amount of energy released at the focus of an
earthquake
b. Measure of the total amount of energy released at the epicenter of an
earthquake
c. Measure of damage done by an earthquake
d. Measure of the tsunami height that occurs after an earthquake
6. True or False: The asthenosphere is the solid outer shell of earth that is broken up
into segments.
a. True
b. False
c. If the answer is false, write the correct answer on the line below
________________________________________________
Part 2 – Fill in the Blank
7. The location with the least amount of ____________________ between the P and
S wave is the one that is closest to the epicenter.
8. The place on the earth’s surface directly above the focus is the _______________.
9. While reading the seismogram from the Alaska earthquake of 1964, we noticed
that the waves on the bottom from the next day were _____________________.
10. The earth’s inner core is solid and the earth’s outer core is ________________.
11. The outermost layer of the earth is the crust, which is made up of the
______________________, which is the solid outer shell of the earth that is
broken up into segments.
12. The layer of the earth that is directly below the lithosphere and flows like taffy is
the _________________________.
13. The ________________________________ runs down the middle of the Atlantic
Ocean floor and is an area of intense earthquake activity.
14. Earthquakes and volcanoes occur in many of the same specific locations because
they are on _____________________________.
15. The smaller wave on a seismogram is a _________________.
Word Bank:
Lag time
P-wave
Plate boundaries
Mantle
S-wave
Earthquake
Liquid
Aftershocks
Lithosphere
Mid-Atlantic Ridge
Magnitude
Inner Core
Epicenter
Asthenosphere
Richter Scale
Part 3 – True or False
Directions: Circle “true” or “false” then rewrite and correct the statement on the line if it
is false.
16. True or False: A seismograph is a recording of earthquake vibrations.
__________________________________________________________________
__________________________________________________________________
17. True or False: The epicenter of an earthquake is the place where the rupture
begins and energy is released.
__________________________________________________________________
__________________________________________________________________
18. True or False: Earthquake waves travel through some substances, but not others,
and travel at different speeds depending on the substance.
__________________________________________________________________
__________________________________________________________________
19. True or False: The lithosphere is directly below the asthenosphere and it flows
like taffy.
__________________________________________________________________
__________________________________________________________________
20. True or False: Earthquakes and volcanoes occur in many of the same specific
locations that are on plate boundaries.
__________________________________________________________________
__________________________________________________________________
Part 4 – Open Ended
21. Label each layer of the earth’s interior. Then in TWO or more sentences explain
what the lithosphere and the asthenosphere are and where they are located.
_______________________
________________________
_______________________________
________________________________________
22. Directions: Three different seismograph stations (A, B, and C) recorded an
earthquake. Complete the table below and answer the following questions.
Station A is from Olympia, Washington, Station B is from Columbia, South
Carolina, and Station C is from Honolulu, Hawaii.
A
3:06
3:08
3:10
3:12
3:14
3:16
3:18
3:20
3:22
3:24
1:02
1:04
1:06
1:08
1:10
1:12
1:14
1:16
1:18
1:20
7:07
7:09
7:11
7:13
7:15
7:17
7:19
7:21
7:23
7:25
B
C
Time of Arrival at Station
Seismograph
Station
Primary Wave (P- Secondary Wave
wave)
(S-wave)
S-wave minus Pwave
A. Olympia,
Washington
B. Honolulu,
Hawaii
C. Columbia,
South Carolina
A. Which station is closest to the epicenter? Explain.
B. Why are the times that each earthquake wave arrived at each city different?