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Wind, Currents, and Climate

Total questions: 24

Worksheet time: 18mins

Name
Class
Date
1.
What causes surface currents to move in circular paths?
a)
strong winds
b)
the Coriolis effect
c)
salinity
d)
the Global Ocean Conveyor
2.

Deep ocean currents are caused by _______

a)

wind

b)

earth's rotation

c)

differences in densities (temperature and salt content)

3.
In general, surface currents that flow from the tropics toward the poles carry ______________ water.
a)
warm
b)
cold
c)
fresh
d)
oxbow lake
4.
The Gulf Stream  ____________ nearby land areas.
a)

cools

b)

causes freezing in

c)

warms

d)

causes rain in 

5.

A surface current effects the climate of nearby land.

a)

True

b)

False

6.
Why was a plastic toy spill so helpful to scientists studying ocean currents?
a)
The toys showed them where the sea floor was.
b)
The ducks showed that wind currents are real.
c)
The Ducks helped them discover trade winds.
d)
The ducks gave scientists lots of data to study ocean currents.
7.
____________ are large streams of moving water that flow through the oceans.
a)

La Niña

b)

El Niño

c)

Ocean currents

d)

Climate

8.
What is the Gulf Stream?
a)
a surface current
b)
deep current
c)
a river
d)
a climate event
9.

What are two factors that affect the density differences in the ocean.

a)

Salinity and temperature

b)

Density and Pressure

c)

Pressure and Temperature

d)

Salinity and El Nino

10.

Air moves because of ______________

a)

differences in longitude 

b)

shock waves from clouds 

c)

differences in air temperature and pressure 

11.
Which term best describes how the earth's atmosphere is heated?
a)
Spirally
b)
Unevenly
c)
Circularly
d)
Kinetically
12.
What causes warm air to rise?
a)

It's less dense than cold air 

b)

It weighs more than cold air 

c)

It has higher pressure than cold

d)

It's more dense than cold air 

13.
What is the name for cooler air blowing from the land to the sea?
a)

Sea Breeze

b)

Land Breeze

c)

Mountain Breeze

d)

None of the Above

14.
The Jet Stream is a wind in the upper troposphere that moves from ____.
a)

North to South

b)

East to West

c)

West to South

d)

West to East

15.
Global winds travel over ____.
a)
Short distances
b)
Long distances
c)
The Southern Hemisphere only
d)
The ocean only
16.
What is the name for cooler air blowing from the sea to land?
a)

Sea Breeze

b)

Land Breeze

c)

Mountain Breeze

d)

None of the Above

17.
Winds are caused by 
a)
equal heating 
b)
unequal heating
18.
Where does the initial source of energy come from that creates winds?
a)
the moon
b)
the sun
c)
the Earth's surface
d)
the rotation of the Earth
19.
The transfer of heat by the movement of a fluid is called
a)

radiation

b)

conduction

c)

convection

20.
Movements of ocean water in a continuous flow are called?
a)
ocean currents
b)
global winds
c)
air mass
d)
front
21.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
22.
Two types of ocean currents are
a)
local and global
b)
sea and land
c)
surface and deep
d)
warm and cold
23.
As salinity  increases
a)
Density increases
b)
Density decreases
24.
What term is the measure of dissolved salts in water?
a)

Thermocline

b)

Salinity

c)

Tides

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