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Currents and...

Total questions: 55

Worksheet time: 47mins

Name
Class
Date
1.
Currents are influenced by weather, the Earth's rotation, and the position of the _______.
a)
sun
b)
continents
c)
wind
2.
The apparent curving of moving objects from a straight path due to Earth's rotation is called the _____________  effect.
a)
Coriolis
b)
Jupiter
c)
sun
d)
continental
3.
When surface currents meet continents, the currents _____________, or change direction.
a)
deflect
b)
jump
c)
stop
4.
Warm-water currents begin near the _______ and carry ______ water to other parts of the ocean.
a)
pole, warm
b)
equator, warm
c)
equator, cold
d)
pole, cold
5.

______ causes surface currents.

a)

The Coriolis Effect

b)

gravity

c)

density differences

d)

wind

6.

Decreasing ocean temperature causes the density of the water to ______.

a)

decrease

b)

increase

c)

stay the same

d)

fluctuate

7.

_______ causes the Coriolis Effect

a)

Earth's rotation

b)

gravity

c)

wind

d)

density

8.

The __________ is a surface current that flows along the eastern US and brings warm water to Europe.

a)

California Current

b)

Gulf Current

c)

North American Gyre

d)

Arctic Current

9.

Heat transfer by convection is caused by differences in what two things:

a)

Thickness and material

b)

Weight and electricity

c)

Temperature and density

10.
The main reason that we have currents in the ocean and air is
a)
the sun heats the air and ocean evenly everywhere
b)
the heat inside the earth heats the ocean and the ocean heats the air
c)
the sun cannot heat both the air and water, so one must heat the other
d)
the sun heats air and water more at the equator because it receives more direct sunlight
11.
Energy for convection on the Earth comes from...
a)
The sun
b)
The moon
c)
Solar winds
d)
The ocean
12.
In convection, COOL air
a)
Rises
b)
Sinks
13.
In convection, WARM air
a)
Rises
b)
Sinks
14.
What is one role of the ocean in convection?
a)
to provide a home for animals
b)
to absorb & release heat
c)
To surf on
d)
To drink from
15.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
16.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
17.
Near the ceiling of a room the air is warmer.  The warm air rises because of
a)
conduction
b)
convection
c)
radiation
18.
The Coriolis Effect is caused by
a)
Earth rotating around the sun
b)
Earth rotating on its axis
c)
The tides
d)
Gravity
19.
The Gulf stream carries _____________ water from the east coast of The United States to the West coast of Europe.
a)
Cold
b)
Warm 
c)
Freezing
d)
Fresh
20.
What happens to a current when it comes in contact with a continent or landmass?
a)
It continues over the continent
b)
It stops
c)
It changes direction
d)
It is absorbed by the land
21.
Due to the Coriolis Effect, water in the northern hemisphere moves
a)
clockwise
b)
counter clockwise
c)
both
d)
neither
22.
Due to the Coriolis Effect, water in the southern hemisphere moves
a)
clockwise
b)
counter-clockwise
c)
both
d)
neither
23.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
24.
The California Current (west coast) carries _________ water from canada
a)
Cold 
b)
Warm
c)
Freezing
d)
Fresh
25.
Ocean currents have an affect on which two things
a)
climate and weather
b)
temperature and density
c)
land and sea
d)
equator and poles
26.
A strong surface current that runs along the east coast of the United States and carries warm water to Europe.
a)
California Current
b)
Global Conveyor Belt
c)
Gulf Stream
d)
Surface Current
27.
A cool current in the Pacific Ocean near North America that brings cold water down from Canada.
a)
California Current
b)
Global Conveyor Belt
c)
Gulf Stream
d)
Surface Current
28.
When surface currents meet continents they ___?
a)
Stop moving
b)
Are deflected (change paths)
c)
Continue in the direction they were going
29.
Ocean currents move energy in the form of
a)
Salt
b)
Water
c)
Heat
d)
Oxygen
30.
Ocean currents bring warm water from the equator towards Earth's
a)
Southern Hemisphere
b)
Continents
c)
Equator
d)
Poles
31.
What causes surface currents north and south of the equator to move in different directions? 
a)
Gases in the ocean
b)
The rotation of the Earth
c)
Temperature differences
d)
Continental deflection
32.

What heats the Earth's oceans?

a)

People

b)

Boats

c)

a heater

d)

sun

33.
What causes ocean currents in the Northern Hemisphere to curve to the right?
a)
Earth's orbit around the Sun
b)
Earth's spinning on its axis
c)
Earth's magnetic field
d)
Earth's force of gravity
34.

The climate of inland areas differs from that of coastal areas in that inland areas

a)

Are always colder than coastal areas

b)

Tend to have milder temperatures than coastal areas

c)

Tend to have hotter summers and colder winters than coastal areas

d)

Are always hotter than coastal areas

35.

When energy from the sun heats the ground, the air touching the ground warms and rises. Along a coastline, cooler

air above the ocean sinks and flows towards the land to replace this warm rising air. Which of the following best

describes these processes?

a)

Radiation, Conduction, and Convection

b)

Conduction and Convection

c)

Radiations and Conduction

d)

Convection and radiation

36.

Energy transfer at Earth’s surface can occur when heat is transferred directly from the ground to the air. Which process best explains what causes this to happen?

a)

Reflection

b)

Convection

c)

Radiation

d)

Conduction

37.
A movement of ocean water that follows a regular pattern is known as what?
a)
Surface currents
b)
Ocean currents
c)
Deep currents
d)
Upwelling
38.
What is the curving path of a moving object from an otherwise straight path due to the Earth's rotation?
a)
Surface Current
b)
Deep Current
c)
Coriolis Effect
d)
Ocean Current
39.

What does heat do when convection currents are moving?

a)

Sinks

b)

Rises

c)

Stays in place

40.

When do particles move faster?

a)

In hot water

b)

In cold water

41.

Why does ice float?

a)

Due to convection currents

b)

It is more dense than water.

c)

It is less dense than water.

42.

What causes convection current in the Earth?

a)

The uneven heating on each layer inside the Earth.

b)

The crusts outer layer.

c)

The temperatures we feel outside.

43.

Can convection currents occur in a solid?

a)

No.

just in a liquid and gas.

b)

Yes.

In a solid, liquid, and gas.

44.

What is an example of a convection current?

a)

Touching a hot spoon that was in a soup bowl.

b)

Feeling the suns rays on a nice summer day.

c)

Touching an iron skillet after cooking and feeling the heat.

d)

Movement of gas in a hot air balloon.

45.
A large volume of water flowing from one place to another?
a)
global winds
b)
coriolis effect
c)
ocean current
d)
tradewinds
46.
Why does heat rise in a convection current?
a)
less dense
b)
more dense
c)
more humid
d)
less humid
47.
Why does cold water sink in a convection current?
a)
Less dense
b)
more dense
c)
Less humid
d)
More humid
48.
1)  What powers oceans and wind currents?
a)
Corilois effect
b)
Earth's rotation
c)
The sun
d)
The wind
49.
Is the California current a warm or cold current?
a)
warm current
b)
cold current
50.
Does the gulf stream originate near the Equator or the Poles? 
a)
Equator
b)
Poles
51.
 How does the Gulf Stream affect the climate in Florida and the United Kingdom?
a)
Florida and the United Kingdom have colder climates.
b)
Florida and the United Kingdom have dryer climates.
c)
Florida and the United Kingdom have warmer climates compared to locations at the same latitude.
d)
None of the above
52.
What two factors are primarily used to describe climate?
a)
temperature and density
b)
temperature and precipitation
c)
precipitation and density
d)
winds and humidity
53.
If your latitude is close to 90 degrees North, you live in which zone?
a)
Polar Zone
b)
Temperate zone
c)
Tropical zone
d)
End zone
54.
If you live near the ocean, in a marine climate, what kind of winters would you expect?
a)
Harsh, extreme winters
b)
Mild winters
c)
No winters at the beach.
55.
As you go to the top of a mountain, what happens to temperature?
a)
Nothing
b)
It increases
c)
It decreases
d)
It does what it wants

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