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WorksheetsWaves, Currents, & Subsurface Topography
Total questions: 26
Worksheet time: 31mins
Name
Class
Date
1.
Surface ocean currents such as the Gulf Stream
a)
Move warm water from lower latitudes to higher latitudes
b)
Transport cold water from one pole to another
c)
Are formed in parts of the ocean where water density is greatest
d)
Move in straight paths across the ocean
2.
Which statement describes the negative effects of El Nino
a)
El Nino appears every two to twelve years
b)
Rain, flash floods, and mudslides occur in places where there is usually little rain, while areas that are usually wet suffer from drought
c)
Sometimes El Nino is followed by La Nina, during which ocean temperatures become cooler
d)
Upwelling along the coast of South America occurs after an El Nino
3.
Why do waves increase in height as they approach the shore?
a)
The waves are forced into narrow inlets of land
b)
The wave particles speed up as they approach the land.
c)
The water's density decreases because it is warmer near the shore
d)
The waves begin to interact with the ocean floor
4.
An earthquake causes a tsunami because the force from the quake?
a)
Pushes a large body of water up from the ocean floor
b)
Pulls water down toward the source of the quake
c)
Blows surface water away from the shore
d)
Meets the force of currents flowing in a different direction
5.
The two main parts of a wave are
a)
swell and white caps
b)
wavelengths and wave heights
c)
crests and troughs
d)
rises and dips
6.
As energy moves through water, the particles move
a)
in waves towards the shore
b)
in small vertical circles
c)
in the direction of the waves
d)
against the currents
7.
What causes breakers to crash into the ocean floor?
a)
Deep water waves
b)
Gravity
c)
short wavelengths
d)
shore currents
8.
What transports most of the sediment in beach environments?
a)
Undertows
b)
Breakers
c)
Longshore currents
d)
Winds
9.
A local rise in sea level near the shore which is caused by hurricane winds is called?
a)
Tsunami
b)
Whitecaps
c)
Storm surge
d)
Breaker
10.
Two examples of surface currents are the Gulf Stream and the?
a)
Brazil Current
b)
Antarctic Bottom Water Current
c)
Coriolis Effect
d)
North Atlantic Deep Water Current
11.
Surface currents are caused by
a)
Floods
b)
Warm Water
c)
Winds
d)
The equator
12.
Ocean currents in the Northern and Southern Hemisphere turn?
a)
From west to east
b)
In opposite directions
c)
clockwise
d)
Against Earth's rotation
13.
The density of ocean water increases when it?
a)
Joins the Gulf Stream
b)
Gets colder
c)
Gets warmer
d)
Turns to ice
14.
Which process increases the salinity of ocean water?
a)
The Coriolis Effect
b)
Convection currents
c)
Evaporation
d)
Continental Deflection
15.
As water gets denser, it?
a)
Expands towards warmer water.
b)
Sinks towards the ocean floor
c)
Gets pushed towards the poles
d)
Gets pulled up by evaporation
16.
In the table, which wave has the fastest wave speed?
a)
Wave A
b)
Wave B
c)
Wave C
d)
Wave D
17.
The most abundant dissolved salt in ocean water is
a)
sodium saline
b)
sodium fluoride
c)
sodium chloride
d)
sodium chlorine
18.
Which statement s true about Earth's oceans?
a)
They are all getting larger
b)
They have changed over time
c)
They have not changed in 4 billion years
d)
They are all getting smaller
19.
Which statement s true about Earth's oceans?
a)
They are all getting larger
b)
They have changed over time
c)
They have not changed in 4 billion years
d)
They are all getting smaller
20.
Where does salt in the ocean come from?
a)
dissolved rocks and minerals
b)
Ingles
c)
The bottom of the ocean
d)
The ocean s fresh water
21.
The Italian cruise ship captain that wrecked his ship, should have used ____ to determine the depth of the ocean
a)
Radar
b)
SONAR
c)
a five foot stick
d)
speedometer
22.
A scientist sends out sound wave A that takes 7 seconds to echo back. Sound wave B takes 14 seconds to echo back. Which sound wave hit a more shallow part of the ocean?
a)
sounds wave A
b)
sound wave B
23.
Where do rift valleys and mid-ocean ridges occur?
a)
Convergent boundaries
b)
Divergent boundaries
c)
Transform Boundaries
d)
Ocean Boundaries
24.
How can you best describe the continental shelf?
a)
The continental shelf is very deep
b)
The continental shelf is the same width around the edge of the continents
c)
The continental shelf is part of the continent located above the water
d)
The continental shelf is an extension of the continent under the ocean water
25.
What does salinity refer to?
a)
the temperature level of the water
b)
the depth of ocean trenches
c)
the height of the waves
d)
the level of minerals in the water
26.
Which of these is the most important function of the ocean?
a)
giving off water vapor into the atmosphere
b)
warming up large nearby landmasses
c)
generating electricity
d)
place for people to swim
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