Download 2nd Nine Weeks Review Science

nd
2
Nine Weeks Review
Science
•
How much of the Earth’s surface is
covered by water?
A.
B.
C.
D.
10%
25%
70%
90%
B
A
D
C
E
•
In the picture above, the continental
slope is shown by letter
A.
B.
C.
D.
A
B
D
E
B
A
D
C
E
•
Letter D is pointing to an ocean floor
feature known as a(n)
A.
B.
C.
D.
continental rise
seamount
abyssal plain
Trench
B
A
D
C
E
•
The shallowest part of the ocean floor
is the
A.
B.
C.
D.
continental slope
trench
continental shelf
abyssal plain
•
Ocean water is composed of a mixture
of gases and dissolved solids like…
A.
B.
C.
D.
salt
gold
carbon
wood
•
Which of the following does NOT
affect the salinity of ocean water?
A. evaporation
B. rainfall
C. amount of sea life
D. runoff from land
•
A.
B.
C.
D.
Which of the following is the main
cause of ocean waves?
rain
wind
ships
swimming animals
•
A.
B.
C.
D.
The tides are created by the pull of
the Sun
the Moon
both the Sun and the Moon
the wind
A.
B.
C.
D.
When the Earth, Moon and Sun line up
as in the picture above, the area of the
oceans shown by the star experience
high tides
low tides
no tides
tsunamis
•
Which of the following does NOT
cause ocean currents?
A. Earth’s rotation
B. differences in water density due to
temperature and salinity
C. earthquakes
D. winds
•
The climate of East Coast of the U.S.
is warmed by the
A.
B.
C.
D.
spring tides
Gulf Stream
California current
North Atlantic Drift
•
Ocean currents do NOT affect
A.
B.
C.
D.
navigation routes
the tides
the mixing of ocean waters
plant and animal populations
•
As the depth of the ocean water
increases, the temperature
A.
B.
C.
D.
increases
decreases
stays the same
freezes
•
Why do few organisms live in zone E?
A.
B.
C.
D.
The temperature is too hot.
There is not enough water pressure.
There is not enough salinity.
There is not enough light.
•
80% of the Earth’s oxygen is
produced by
A.
B.
C.
D.
phytoplankton
zooplankton
nekton
benthos
•
Floating animals, like fish eggs and
jelly fish, are
A.
B.
C.
D.
phytoplankton
zooplankton
nekton
benthos
•
An example of nekton is
A.
B.
C.
D.
clams
diatoms
larvae
whales
•
Benthos can be found
A.
B.
C.
D.
on the ocean floor
at top of seamounts
floating on the surface of the ocean
floating in the Gulf Stream
•
Which organism completes this food
chain?
phytoplankton
?
salmon
seal
A.
B.
C.
D.
lobster
whale
zooplankton
eel
• I have been trapped in this piece of
limestone for ages- even before it was a
rock! I help scientists learn about
organisms from the past. I am a• A. Rock
• B. Magma
• C. Fossil
• D. Lava
• If great heat and pressure act upon any
type of rock, what will it become?
• A. sedimentary rock
• B. igneous rock
• C. sandstone
• D. metamorphic rock
• What does the theory of plate tectonics
attempt to explain?
• A. why the sea is saltier in some places
other than others.
• B. how fossils are formed
• C. the way the planets move around the
stars
• D. how and why continents move
• If igneous rocks are broken down by
erosion and weathering, they may be
carried somewhere else. These
particles in turn may be used to form
what other kind of rock?
• A. sedimentary rock
• B. igneous rock
• C. obsidian
• D. metamorphic rock
• The two innermost layers of the Earth
are made up of• A. rocks
• B. molten iron and nickel
• C. sedimentary rocks
• D. ice
• Trenches and mountains on the Earth’s
surface were caused by• A. plate movement
• B. the moon’s gravity
• C. the sun’s heat
• D. erosion
• Most earthquakes and volcanoes
occur• A. at the boundaries of the Earth’s plates.
• B. where the sun is the warmest.
• C. where there is the most erosion.
• D. at the northern part of the earth.
•
•
•
•
•
Igneous rocks are created whenA. it rains
B. molten rock cools and forms crystals
C. sediment hardens
D. weathering occurs
• The outermost layer of the Earth is
called the• A. crust
• B. mantle
• C. inner core
• D. outer core
• The heat that causes volcanoes comes
from• A. the sun’s radiation
• B. the friction of earthquakes
• C. the Earth’s hot interior
• D. the impact of meteors
•
•
•
•
•
When plates move toward each other
they create…
A.
divergent boundaries
B.
convergent boundaries
C.
sliding boundaries
D.
new continents
• The Earth’s crust is broken into large
sections called• A. plates
• B. volcanoes
• C. faults
• D. magma
• All of the following are true about
igneous rocks EXCEPT• A. they are formed from cooled and
hardened magma.
• B. Examples include granite and obsidian.
• C. They were transformed by heat,
pressure and chemicals.
• D. They are part of the rock cycle.
•
A.
B.
C.
D.
Which one of the following events
occurs in the formation of
sedimentary rock?
Crystallization
Melting
Cooling
Weathering
Which of these best represents the
structure of the Earth’s interior?
•
•
A.
B.
C.
D.
Use the rock key below to answer the following question by placing the
correct letter in the blank.
A rock that has no layers, is light colored, is hard and coarse grained is…
Gneiss
Marble
Granite
Basalt