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Hydrosphere

Total questions: 108

Worksheet time: 4hrs 36mins

Name
Class
Date
1.

The combined mass of water

a)

Atmosphere

b)

Hydrosphere

c)

Troposphere

2.

The fall of sea water and its movements towards the sea is called

a)

ebb

b)

low tide water

c)

high tide water

3.

When the sun, the earth and the moon is in the same line

a)

ebb

b)

low tide

c)

high tide

4.

When the sun and the moon are at the position of right angles.

a)

ebb

b)

low tide

c)

high tide

5.

When the sun and the moon are at the position of right angle with reference to the earth, the gravitational force s of the sun and the moon

a)

work against each other

b)

work towards each other

c)

remains neutral

6.

The surface of the earth facing the moon experiences_______gravitational force of the moon.

a)

maximum

b)

minimum

c)

remains neutral

7.

The opposite surface of the earth facing the moon experiences_______gravitational force of the moon.

a)

maximum

b)

minimum

c)

remains neutral

8.

The difference between high tide water and low tide water is called

a)

perigee

b)

ebb

c)

tide range

9.

The period of the farthest distance between the moon and the earth is called

a)

perigee

b)

ebb

c)

apogee

10.

The period of the nearest distance between the moon and the earth is called

a)

perigee

b)

ebb

c)

apogee

11.

The ocean currents which flow from the low latitudes in tropical zones towards the high latitudes in the temperate zones and sub polar zones

a)

surface ocean currents

b)

Warm ocean currents

c)

cold ocean currents

12.

The ocean currents flow in the high latitudes from the polar regions towards the low latitudes in the warm Equator region.

a)

surface ocean currents

b)

Warm ocean currents

c)

cold ocean currents

13.

Given below is the example of the flow of oceanic currents

a)

Atlantic water flows into Mediterranean sea's surface

b)

Mediterranean water flows into Atlantic

c)

Canary current and the Gulf stream

14.

Given below is the example of the flow of oceanic currents caused by the earth's rotation.

a)

Atlantic water flows into Mediterranean sea's surface

b)

Mediterranean water flows into Atlantic

c)

Canary current and the Gulf stream

15.

The Gulf stream influences the climate of the east coast of

a)

North America

b)

South America

16.

The Gulf stream

a)

warm current

b)

cold current

17.

The Labrador current

a)

warm current

b)

cold current

18.

It is sometimes also known as the Black stream

a)

The Kuroshio current

b)

The Labrador current

c)

The Oyashio current

19.

How many types of ocean currents are there?

a)

Warm ocean currents and cold ocean currents

b)

High current and low current

c)

none of these

20.

What are the effects of ocean currents?

a)

Climate change

b)

Helps in trade

c)

Marine organism

d)

All of the above

21.

What are tides?

a)

Alternate fall and rise of water

b)

Alternate rise and fall of water

c)

Alternate rise and fall of sea water

22.

Name the cold current originates from Arctic Ocean.

a)

North Atlantic drift

b)

Labrador cold current

23.

What are the effects of tides?

a)

Tides helps fishermen in sailing

b)

it harnessed to generate electricity

c)

it keep Barbour clean

d)

All of the above

24.

Which warm current crosses Japan island?

a)

Gulf stream

b)

North Atlantic drift

c)

KuroShio current

25.

Why there's thick fog in New Found land all the year round?

a)

Warm Gulf stream and cold Labrador current meet

b)

Cold Oya Ship current and warm Kuro Ship current meet

26.

What do you mean by Perigee?

a)

The period of nearest distance between the Moon and the Earth

b)

The period of farthest distance between the Moon and the Earth

27.

What do you mean by apogee?

a)

The period of nearest distance between the Moon and the Earth

b)

The period of farthest distance between the Moon and the Earth

28.

Which tide occurred at point B?

a)

Neap tide

b)

low tide

c)

Spring tide

29.

Which type of tides is formed?

a)

Spring tide

b)

Neap tide

30.

___ percent of the water on the planet earth is saline ocean water.

a)

96

b)

35 ppt

c)

25

d)

2

31.

Millions of years ago, there was a single super ocean called ___.

a)

Pangaea

b)

Tethys

c)

Panthalassa

d)

Gondwana

32.

_____________ is the deepest trench in the ocean.

a)

java trench

b)

Philippine Trench

c)

Kermadec Trench

d)

Mariana trench

33.

The average salinity of the ocean water is ______PPT.

a)

25

b)

35

c)

45

d)

55

34.

The lowest salinity of the water is found in _______.

a)

Mediterranean sea

b)

Baltic sea

c)

Arabian sea

d)

Aral sea

35.

The lines that connect the points with the same degree of salinity in the ocean/sea are called ____.

a)

Isobars

b)

Isopleths

c)

Isobaths

d)

Isohaline

36.

The slow-moving ocean current is known as _____.

a)

Gair

b)

Drift

c)

stream

d)

channel

37.

The ocean floor is mined for the ____.

a)

vegetable oil

b)

petrol

c)

diesel

d)

crude oil

38.

The ___ is the largest ocean on the planet. It covers more than 30% of the earth's surface.

a)

Indian ocean

b)

Arctic ocean

c)

Pacific Ocean

d)

Antarctic ocean

39.
Ocean currents that move toward the poles are
a)
warm
b)
cold
c)
warm in the N Hemisphere cold in the S Hemisphere
d)
cold in the N Hem. warm in the S Hem.
40.
What is the name of the current along the east coast of the US?
a)
West Wind
b)
Canary
c)
California
d)
Gulf Stream
41.

Which type of ocean movement is a large-scale pattern that can circulate across all the oceans?

a)

Current

b)

Wave

c)

Tide

42.

Which type of ocean movement is a repeated up and down motion, generally caused by wind?

a)

Current

b)

Wave

c)

Tide

43.

Which type of ocean movement varies depending on the current moon phase?

a)

Current

b)

Wave

c)

Tide

44.

Which type of ocean movement can be caused by wind or differences in density and can also be diverted by the Coriolis effect?

a)

Current

b)

Wave

c)

Tide

45.

What part of the wave is also known as the "peak?"

a)

Amplutide

b)

Crest

c)

Trough

d)

Wavelength

46.

TRUE or FALSE: The Gulf Stream carries cool water toward the North Atlantic, causing the weather in Great Britain to be colder.

a)

TRUE

b)

FALSE

47.

Which type of tides have a smaller change in sea level due to the Earth, Moon, and Sun forming a right angle?

a)

High/Low

b)

Spring

c)

Neap

48.

Which type of tides have a larger tidal range due to the Earth, Moon, and Sun forming a line?

a)

High/Low

b)

Spring

c)

Neap

49.

A tsunami is a large __________ typically caused by a shallow seafloor earthquake.

a)

Current

b)

Wave

c)

Tide

50.

The distance between one crest and the next (or one trough and the next) is known as the ______________.

a)

Amplitude

b)

Wave Height

c)

Wavelength

51.

What 2 factors largely impact the density of ocean water?

a)

Density and Pressure

b)

Temperature and Coriolis Effect

c)

Temperature and Salinity

d)

Pressure and Salinity

52.
The height of a wave is MOST affected by the
a)
speed of the wind
b)
speed of the ocean
c)
salinity of the ocean
d)
amount of solar energy
53.
Which letter is a crest?
a)
F
b)
G
c)
H
d)
J
54.
Which letter is a trough?
a)
F
b)
G
c)
H
d)
J
55.
Which letter identifies the wavelength?
a)
F
b)
G
c)
H
d)
J
56.
The two main parts of a wave are_____
a)
Wavelengths and wave heights.
b)
Swells and whitecaps.
c)
Crests and troughs.
d)
Rises and dips.
57.

What kind of tidal patterns have 2 high tides and 2 low tides at different heights on a the same day?

a)

Semidiurnal

b)

Mixed Semidirunal

c)

Diurnal

d)

Mixed Diurnal

58.

Which of the following generating forces can cause Tsunamis?

a)

Wind

b)

Earthquakes

c)

Landslides

d)

Volcanic Eruptions

59.

Approximately how many hours will pass between high tide and the following low tide? (Think about the rotation of the Earth between high tides.)

a)

6 hours

b)

12 hours

c)

18 hours

d)

24 hours

60.
During a neap tide, the position of the Sun, Moon, and Earth...
a)
form a 90 degree angle
b)
form a straight line
61.

How does water move when interacting with ocean waves?

a)

back and forth (see-saw)

b)

up and down

c)

moves in same direction of wave

d)

circular motion

62.
Due to the Coriolis Effect, water in the northern hemisphere moves
a)
clockwise
b)
counter clockwise
c)
both
d)
neither
63.
Due to the Coriolis Effect, water in the southern hemisphere moves
a)
clockwise
b)
counter-clockwise
c)
both
d)
neither
64.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
65.
Cold ocean currents generally come from
a)
The North Pole 
b)
The South Pole
c)
The Equator
d)
Both A and B
66.
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
67.

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

a)

decrease

b)

increase

c)

stay the same

d)

fluctuate

68.

_______ causes the Coriolis Effect

a)

Earth's rotation

b)

gravity

c)

wind

d)

density

69.
Where is ocean water the densest.
a)
The surface
b)
The middle
c)
The bottom
d)
Lake Michigan
70.

The more scientific name of the Global Conveyor Belt is _____.

a)

halinethermal circulation

b)

thermohaline circulation

c)

thermodensity circulation

71.

Temperature and salinity differences in ocean water cause:

a)

Mid-ocean ridges

b)

Deep Currents

c)

Surface Currents

d)

High tide and low tide

72.
The large, circular surface-current pattern found in each ocean.
a)
California Current
b)
Surface Current
c)
Gyre
d)
Global Conveyor Belt
73.
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
74.
What process brings the deep cold ocean currents up to the surface?
a)
Conduction
b)
Global Wind Patterns
c)
Convection Currents
d)
Temperature and salinity
75.
Why are surface currents at the surface of the ocean?
a)
colder temperature
b)
colder temperature & more salinty
c)
warmer temperature & less salinty
d)
less salinty
76.
 As the temperature of ocean water changes from 10 to 30 degrees C, how does the density change?
a)
The water becomes more dense
b)
The water becomes less dense
c)
 The density does not change 
d)
 It is impossible to predict
77.

When surface currents meet continents they ___?

a)

Stop moving

b)

Are deflected (change paths)

c)

Continue in the direction they were going

78.

The Gulf Stream carries warm water to the North Atlantic Ocean, which contributes to

a)

a mild climate for the British Isles.

b)

a harsh winter in the British Isles.

c)

a cold-water surface current that flows to the British Isles.

d)

a warm-water surface current that flows along the coast of California.

79.

Ocean currents affect climates around the world. Based on the map, which area MOST likely has a warmer climate than expected?

a)

1

b)

2

c)

3

d)

4

80.

The ________ winds move the South Equatorial Current towards the Eastern Australian Coast

a)

The Westerlies

b)

North-east Trade

c)

South east Trade

d)

Monsoon winds

81.

The Trade winds move ocean currents towards the ________ coasts of continents

a)

Southern

b)

Northern

c)

Eastern

d)

Western

82.

The Westerlies deflect the Ocean currents towards the _________ coasts of continents

a)

Northern

b)

Southern

c)

Eastern

d)

Western

83.

The Kuroshio current along the east coast of Japan is moving under the influence of

a)

The North-east Trade Winds

b)

The South-east Trade Winds

c)

The Westerlies

d)

The Monsoon Winds

84.

The air over cold currents

a)

carry huge amounts of water vapour

b)

carry less amounts of water vapour

c)

is cold and dry

d)

is warm and saturated with water vapour

85.

The Peruvian current is a _____________ current resulting in the formation of the Atacama Desert.

a)

Warm

b)

Cold

86.

The ____________ causes the West Wind drift to move along the west coast of Africa causing the formation of the Namib and Kalahari deserts

a)

North East Trade Winds

b)

South East Trade Winds

c)

Easterlies

d)

Westerlies

87.
While at the beach Rocky saw that it was high tide at 5:00 am.  When will the next low tide occur?
a)
5:00 AM
b)
5:00 PM
c)
11:00 AM
d)
11:00 PM
88.

What does the blue line represent in the Thermohaline circulation?

a)

Warm salty water

b)

Warm water

c)

Cold water

d)

Cold salty water

89.

What does the red line represent?

a)

Warm water

b)

Warm salty water

c)

Cold water

d)

Cold salty water

90.

Thermohaline circulation distributes which of the following?

a)

heat

b)

nutrients

c)

carbon dioxide

d)

all of the above

91.
Which process does NOT lead to a decrease in the salinity of water?
a)
runoff from land
b)
precipitation
c)
sea ice melting
d)
evaporation
92.
Comes from the words 'heat' and 'salt'
a)
thermohaline
b)
salinity
c)
density
d)
temperature
93.
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
94.
What 3 factors most directly affect surface currents in the ocean? 
a)
Dissolved solids, gases & energy
b)
Upwelling, convection & sun's energy
c)
Deep currents, convection currents & surface wind
d)
Surface wind, Coriolis effect & continental deflection
95.
Which of the following statements does NOT  accurately describe the importance of the Gulf Stream?  
a)
The Gulf Stream is responsible for the mild climate of Florida. 
b)
The Gulf Stream transports heat from the equator towards Western Europe.  
c)
The Gulf Stream increases travel speed from southern areas to Western Europe. 
d)
The Gulf Stream is responsible for removing heat from Western Europe and transferring it to equatorial countries.  
96.
El Nino and La Nina are two periodic changes in ocean circulation patterns.  which of these statements best describes their effect on global climate?  
a)
El Nino and La Nina tend to peak during winter months, so by the summer months the climate patterns return to normal conditions.  
b)
El Nino carries warm water, increasing rainfall along the coast of Chile, while La Nina brings cold water upwellings to western South America. 
c)
El Nino and La Nina are recent disturbances in ocean currents oscillating between warm and cold conditions caused by the greenhouse effect.  
d)
El Nino and La Nina exclusively affect the climate of the southern Pacific Ocean including South America, Australia and Indonesia.  
97.

Oceans are important for which of the following reasons?

(Tick 4 correct options).

a)

Ocean gives carbon di oxide

b)

Oceans give us SALT, MARINE ANIMALS and MINERALS

c)

Oceans affect climate

d)

Oceans are the source of RAIN

e)

Oceans are an important means of transport.

98.

Which of these reasons cause the Ocean water to be salty?

(Tick 3 correct options).

a)

Dead remains of aquatic animals

b)

Mixing of SEDIMENTS because of RAINWATER

c)

Cutting of trees

d)

Oil spills

e)

Underwater Volcanic eruptions

99.

IMPORTANT QUESTION

Winds that blow due to pressure difference in the belts, throughout the planet are called ______________.

a)

Oceanic winds

b)

Planetary winds

c)

Monsoon winds

100.

IMPORTANT QUESTION


Regions that are closed to the oceans have __________ climate.

a)

very hot

b)

very cold

c)

EQUABLE

d)

high temperature

e)

low temperature

101.

Choose all the correct reasons that are responsible for pollution of oceanic waters.

a)

Waste thrown from ships, industries & cities

b)

Traffic on roads

c)

Oil spills

d)

Exploitative (too much) fishing

e)

Cutting of mangrove forests in coastal areas

102.

What pattern does Long Shore Drift create?

a)

Zig-Zag

b)

Ripple

c)

Circular

d)

Straight Lines

103.

The movement of material along a coast by waves that approach at an angle to the shore but recede directly away from it.

a)

swash

b)

storm surge

c)

longshore drift

d)

breakwater

104.

A current that runs parallel to the shoreline.

a)

longshore current

b)

rip current

c)

density current

d)

breakwater

105.

Rip currents are

a)

areas of rapid seaward flowing water.

b)

hazardous to swimmers.

c)

narrow currents in the surf zone.

d)

areas of water that flows towards the shore

106.

A current that flows outward from the beach, perpendicular to the shoreline.

a)

rip current

b)

longshore current

c)

swash

d)

breakwater

107.

The movement of deep, cold, nutrient filled water to the surface of the ocean is..

a)

Ocean Current

b)

Upwelling

c)

Deep Currents

d)

Surface Currents

108.

Why is upwelling important?

a)

Upwelling regulates ocean temperature

b)

Upwelling provides nutrient rich water that sustains life

c)

Upwelling controls the tides

d)

Upwelling helps sailors to navigate the seas

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