Name:____________________________________
Unit 5-6 Pretest
28.Circle the picture(s) that show erosion.
ATEP ©2009 UAF Geophysical Institute
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Unit 5-6 Pretest
Name:____________________________________
Unit 5-6 Pretest
29.Write or draw what a ghost forest is.
soil
sand
30.These are layers from the soil. Circle the oldest layer.
soil
ash
31.Circle the newest layer.
32.What would make a layer of soil on the ground? Circle one.
A volcano
Plants
A tsunami
33.What would make a layer of sand on the ground? Circle one.
A volcano
ATEP ©2009 UAF Geophysical Institute
Plants
A tsunami
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Unit 5-6 Pretest
Name:____________________________________
Unit 5-6 Pretest
34.What would make a layer of ash on the ground? Circle one.
A volcano
Plants
A tsunami
35.What will a wave do to a boat? Circle one.
The water will carry the boat to
the edge of the pan.
The boat will stay in about the
same place.
36.In the deep ocean, these will feel a wave made by the wind. Circle one
or more.
37.In the deep ocean, these will feel a wave made by a tsunami wave.
Circle one or more.
ATEP ©2009 UAF Geophysical Institute
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Unit 5-6 Pretest
Name:____________________________________
Unit 5-6 Pretest
38.Write a B on the pictures of things that might be used in bathymetry.
depth finder
telescope
satellite
computer
tape measure
submarine
pencil
39.Circle the tools used to make a bathymetric map.
pencil
screwdriver
hammer
ruler
electronic
distance
meter
satellite
computer
ATEP ©2008 UAF Geophysical Institute
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Unit 5-6 Pretest
Name:____________________________________
Unit 5-6 Pretest
40.Circle the correct wave type below each picture
a.
tsunami
wind wave
tsunami
wind wave
tsunami
wind wave
tsunami
wind wave
b.
c.
d.
ATEP ©2009 UAF Geophysical Institute
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Unit 5-6 Pretest
Name:____________________________________
Unit 5-6 Pretest
41.What is this type of boat called? ______________________________
42.How is the boat made to travel fast over ocean waves?
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
43.Write the following words in the local Native language.
a. mountain
___________________________________
b. volcano
___________________________________
c. hill
___________________________________
d. cliff
___________________________________
e. cave
___________________________________
f. island
___________________________________
g. ocean
___________________________________
h. lake
___________________________________
i. river
___________________________________
j. bay
___________________________________
k. earthquake
___________________________________
l. tsunami
___________________________________
ATEP ©2009 UAF Geophysical Institute
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Unit 5-6 Pretest
Name:____________________________________
Unit 5-6 Pretest
44.Name four major undersea features of the North Pacific that would affect how
a tsunami wave travels across the ocean.
a. ______________________________________________________
b. ______________________________________________________
c. ______________________________________________________
d. ______________________________________________________
45.List ways to learn about the seismic history of an area.
a. ______________________________________________________
b. ______________________________________________________
c. ______________________________________________________
d. ______________________________________________________
46.List two digital mapping technologies necessary for mapping worst-case tsunami inundation scenarios for Alaskan Communities.
a. ______________________________________________________
b. ______________________________________________________
47.Make a check next to the statement that is true:
____ Wave speed increases in deeper water.
____ Wave speed decreases in deeper water.
____ Wave speed does not change as water depth changes.
48.Use the equation, speed = distance / time, to calculate the speed of a tsunami
traveling across a distance of 3580 kilometers in 4.5 hours. Round to the nearest whole number. Show your work.
ATEP ©2009 UAF Geophysical Institute
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Unit 5-6 Pretest
Name:____________________________________
Unit 5-6 Pretest
49.Write P (P wave), S (S wave), L (Love Wave), and/or R (Rayleigh Wave) as
they apply to each statement below.
_____ and _____ are surface waves.
_____ and _____ are body waves.
_____ and _____ are used to determine the epicenter of an earthquake.
_____ This is also called a “ground roll” and particles move in a circular motion as the wave passes through.
_____ In an earthquake, this type of wave causes the land to move side to side.
50.Where was the village of Chinega located and how was it affected by the
earthquake and tsunami of 1964?
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
51.Match items from the left column to the best wave behavior on the right.
____ Amplitudes of different waves combine to form a new
wave pattern.
a. Reflection
____ The angle at which a wave approaches a barrier.
b. Refraction
____ A wave transfers from one medium to another.
c. Diffraction
____ Waves reflect off a parabola to converge at this single
point.
d. Wave Interference
____ The angle at which a wave bounces off a barrier.
e. θi
____ Waves bending around barriers.
f. θr
g. Focus
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Unit 5-6 Pretest
Name:____________________________________
Unit 5-6 Pretest
52.Circle the correct answer. A magnitude 5 earthquake is _____ times larger
than a magnitude 4 earthquake.
a. 2
b. 10
c. 100
d. 32
53.Circle the correct answer. The total amount of energy released from a magnitude 5 earthquake will be _____ time s larger than from a magnitude 4 earthquake.
a. 2
b. 10
ATEP ©2009 UAF Geophysical Institute
c. 100
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d. 32
Unit 5-6 Pretest