The Marine Environment
Practice Test
1.
In the figure, which flat of crops would suffer the least amount of erosion?
a.
the one with vertical rows
b.
the one with horizontal rows
c.
both would suffer the same amount of erosion
d.
it is impossible to tell from this
2.
How does a Landsat satellite differentiate between objects on Earth's surface?
a.
Landsat measures the longest frequencies of electromagnetic radiation from Earth.
b.
Landsat uses a single detector to measure the intensities of energy.
c.
Features on Earth radiate warmth at different frequencies, which show up as different colors on Landsat images.
d.
Landsat satellites take pictures using visible light.
3.
In __________, warm air is squeezed upward between two cold air masses.
a.
a cold front
b.
a stationary front
c.
a warm front
d.
an occluded front
4.
What are tropical cyclones that form in the Pacific Ocean called?
a.
downdrafts
b.
typhoons
c.
funnel clouds
d.
tornadoes
5.
When the Moon, Earth, and Sun are aligned, large tidal ranges called __________ occur.
a.
neap tides
b.
spring tides
c.
full tides
d.
tidal ranges
6.
What is the purpose of the structure shown in the figure?
a.
to redirect current
b.
to trap beach sand
c.
to protect the shore
d.
to anchor boats
7.
Long-term variations in weather for a particular area make up the __________ of an area.
a.
weather
b.
meteorology
c.
stability
d.
climate
8.
Use the table to infer something about the climate of this area.
Mon
Tue
Wed
Thurs
Fri
Sat
Sun
Average temperature (°C)
23.3
22.2
22.2
15.6
16.7
16.7
17.8
Rainfall (cm)
0
0
3.31
0
0
0
0
Relative humidity
40‰
60‰
100‰
80‰
60‰
50‰
40‰
Air pressure (mb)
1000
998
-
-
-
-
-
a.
It receives occasional rainfall.
b.
Rainfall is extremely common.
c.
It is often very hot.
d.
It is often very cold.
9.
What is a contour line?
a.
a lines that connect points of equal elevation
b.
It is used to make a gnomonic projection.
c.
an explanation of the maps symbols
d.
It is used to calculate the map's scale.
10.
Today, water vapor that is added to Earth's atmosphere is destroyed by __________.
a.
the greenhouse effect
b.
X rays
c.
the ozone hole
d.
ultraviolet radiation
11.
When did the first modern oceanographic expedition occur?
a.
1500s
b.
early 1800s
c.
early 1950s
d.
late 1800s
12.
A __________ explains what the symbols of a map represent.
a.
legend
b.
projection
c.
title
d.
scale
13.
What is a farming method that can reduce the effect of erosion?
a.
irrigation
b.
clear cutting
c.
planting wind barriers
d.
selective harvesting
14.
What breaks mid-ocean ridges into smaller sections?
a.
abyssal plains
b.
shelf breaks
c.
fracture zones
d.
submarine canyons
15.
What causes the air of a tropical storm to rotate?
a.
funnel clouds
b.
strong downbursts
c.
supercells
d.
the Coriolis effect
16.
What wind system occurs at 30 degrees north and south of the equator?
a.
the jet stream
b.
the polar easterlies
c.
the trade winds
d.
the prevailing westerlies
17.
What do the circles in the figure represent?
a.
bubbles
b.
wavelength
c.
heat energy
d.
water movement
18.
According to the graph, at what depth does the sea floor start to drop off?
a.
4 km
b.
2 km
c.
1 km
d.
8 km
19.
Why is sea level still rising?
a.
the size of world glaciers is growing
b.
the destruction of ozone in the atmosphere
c.
global warming
d.
global cooling
20.
What does GPS stand for?
a.
Global Potential Satellite
b.
Global Positioning System
c.
Geographic Positioning System
d.
Geodial Position Satellite
