Transcript Answer - zimearth

Oceanography Unit
Review
1.
2.
3.
Read the question
Write your answer
on the white board
Write ONLY the
answer
Question #1
What kind of particle
can be lifted by
wind?
Answer:
Dust
Question #2:
What is the
movement of a
particle by a
series of
“jumps”?
Answer:
saltation
Question #3:
What is sand made
of?
Answer:
quartz
Question #4:
What is it called when
wind removes the
top layer of fine,
very dry rock or soil
particles, leaving
only large rocks
behind?
Answer:
deflation
Question #5:
What are mounds
of wind-blown
sand?
Answer:
dunes
Question #5.5

What is a thick
yellowish deposit of
wind-blown dust
called?

Loess
Question #6:
What is it called
when waves or
rocks break up
other rocks?
Answer:
abrasion
Question #7:
What kind of
weathering occurs
when salt and air
react with rocks?
Answer:
chemical
Question #8:
Some beaches
are black
because the
source rock is
what?
Answer:
Volcanic rock
Question #9:
The area people
use for
recreation is
called what?
Answer:
berm
Question #10:
Waves that run
parallel to the
shore are called?
Answer:
longshore
Question #11:
The sea is
currently rising at
a rate of what?
Answer:
1 mm per year
Question #12:
What is it called
when the mouth
of a river gets
submerged by
ocean water?
Answer:
estuary
Question #13:
What is brackish
water?
Answer:
Mix of saltwater
and freshwater
Question #14:
What are the long,
narrow offshore
islands that run
parallel to the
shore called?
Answer:
Barrier islands
Question #15:
What is the body of
water between
the barrier islands
and the shore?
Answer:
lagoon
Question #16:
What are the
conditions that
animals in a
coral reef need?
Answer:
Warm, shallow,
water
Question #17
How much of our
planet is water?
Answer:
71%
Question #18:
What are the four
major oceans?
Answer:
Pacific, Atlantic,
Indian, Arctic
What is the study of
the physical
characteristics,
chemical composition,
and life forms of the
ocean called?
Oceanography
What are underwater
research vessels
called?
Submersibles
What do scientists use to
map the ocean floor?
(what type of system)
SONAR
What does SONAR
stand for?
SOund Navigation
And Ranging
What is the big, flat part
of the ocean floor called?
Abyssal Plain
What is an underwater
mountain range
called?
Mid-Ocean Ridge
What is the feature
formed on the bottom of
the ocean floor when
one plate goes under
another plate?
Trench
What is the part of the
ocean that is the
boundary between
continental crust and
oceanic crust?
(where continental crust
“becomes considered”
oceanic crust)
Continental slope
What is an underwater
volcano called?
Seamount
What are the three
most common gases
dissolved in the
ocean water?
Nitrogen,
Oxygen, and
Carbon Dioxide
Where is the highest
salinity ocean water?
At the equator
What is the zone of
ocean water where the
temperature drops
drastically from warm
to cold?
Thermocline
What are the two
things that affect
density?
Salinity and
Temperature
Ocean water has the
color it does because
of its ability to
_______________ .
Reflect light
What is a steady
movement of water in
one direction called?
Current
What is the driving
force of ocean
currents?
Wind
What are the three
things that affect
currents?
Wind, rotation of
Earth, shape of
continents
What is the name of
the effect of the
currents that occurs
because of Earth’s
rotation?
Coriolis Effect
Where do warm
currents flow?
AWAY FROM
the equator
Where is the crest
of a wave?
At the top
Where is the
trough of a wave?
At the bottom
What is it called
when water hits the
shore and is carried
back to the deep
ocean by an
irregular current?
Undertow
What is the swift
movement of water
caused by the return
of water to the ocean
through channels in a
sandbar?
Rip current
What are the daily
changes in the level
of the ocean
surface?
Tides
Gravitational pull is
strongest on which
side of the earth?
The side facing
the moon
What is the difference
between the levels of
the high and low tides
at specific locations?
Tidal range
What kind of tide
occurs during the new
and full moon?
(when the sun, moon and
earth are aligned)
Spring tides
What kind of tide
produces the smallest
tidal range?
Neap tides
Which direction
does a flood tide
flow?
TOWARD the
shore
This concludes
today’s review
activity.
Have fun studying!!