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S6E3abc

Multiple Choice
 

 1. 

Which of these is the largest ocean?
a.
Indian
c.
Pacific
b.
Atlantic
d.
Southern
 

 2. 

Only fresh water moves through the water cycle because
a.
salt water only rains back into the ocean
c.
salt water has a separate cycle
b.
salt water is too heavy to evaporate
d.
the salt is left behind when water evaporates
 

 3. 

mc003-1.jpgWhat feature is letter C?
a.
a guyot
c.
continental shelf
b.
continental slope
d.
abyssal plain
 

 4. 

When precipitation infiltrates into the ground, it becomes what?
a.
a spring
c.
runoff
b.
groundwater
 

 5. 

Most of the water on the Earth is found
a.
in river and a lakes
c.
in the oceans
b.
underground
d.
in the polar icecaps
 

 6. 

The total salinity of the world’s oceans is
a.
15%
c.
50 %
b.
3.5%
d.
25%
 

 7. 

Which of the oceans is the deepest?
a.
Atlantic
c.
Indian
b.
Southern
d.
Pacific
 

 8. 

What is the water cycle powered by?
a.
The Sun
c.
the Earth’s rotation
b.
The wind
 

 9. 

How much of the Earth’s water is useable by man?
a.
97%
c.
3%
b.
1%
d.
3.5%
 

 10. 

The amount of water on the earth
a.
stays the same
b.
changes from year to year because of the weather
c.
is always increasing because of rain
d.
is never the same because we keep using it
 

 11. 

The clouds in the sky are
a.
up in the stratosphere
c.
water droplets
b.
evaporated water
d.
water vapor
 

 12. 

What is a guyot?
a.
a mountain under the sea
c.
the edge of the rift valley
b.
a flat topped sea mount flattened by the waves
d.
a volcanic island
 

 13. 

During the water cycle, when water vapor changes to liquid water, it is called
a.
boiling.
c.
freezing.
b.
condensation.
d.
evaporation.
 

 14. 

In the morning, Mary noticed there was dew on the grass. In the afternoon, the grass was dry. What most likely happened to the water?
a.
It went into the air.
c.
It no longer exists
b.
It went into the ground.
d.
It formed clouds.
 

 15. 

mc015-1.jpgWhat ocean floor feature is letter C?
a.
a seamount
c.
an island
b.
mid-ocean ridge
d.
a guyot
 

 16. 

The section of a continent that lies just off the shoreline and extends beneath the ocean is called the continental
a.
shelf.
c.
basin.
b.
plain.
d.
ridge.
 

 17. 

In rural areas, most people get their drinking water from
a.
rivers and lakes
c.
desalination plants
b.
aquifers
d.
reservoirs
 

 18. 

The Earth’s surface
a.
has about three times more water than land
b.
is covered by more water than land
c.
has the same amount of land and water
d.
is covered mostly by land
 

 19. 

Most of the Earth’s freshwater is found
a.
in icecaps and glaciers
c.
in lakes and rivers
b.
in the groundwater
d.
in the atmosphere
 

 20. 

mc020-1.jpg
What is usually the deepest part of the ocean and is formed by convergent ocean plates at a subduction zone?
a.
the rift valley
c.
continental slope
b.
deep sea trench
d.
the abyssal plain
 

 21. 

The scientific name for all the water on the Earth is
a.
the hydrosphere
c.
the lithosphere
b.
the ocean
d.
the atmosphere
 

 22. 

An underground layer of permeable rock that contains water is
a.
an aquifer
c.
impermeable
b.
a reservoir
d.
a glacier
 

 23. 

Use this picture and your knowledge to answer this question.
mc023-1.jpg
What feature is letter F?
a.
seamount
c.
Abyssal plain
b.
rift valley
d.
mid-ocean ridge
 

 24. 

The flattest place on Earth is
a.
the continental shelf
c.
the Sahara Desert
b.
the Abyssal Plain
d.
in Oklahoma on the Great Plains
 

 25. 

mc025-1.jpg
Letter J is what feature of the ocean?
a.
submarine canyon
c.
abyssal plain
b.
continental shelf
d.
continental slope
 

 26. 

A large lake that is used to provide water to a city is
a.
usually underground
c.
a reservoir
b.
created by desalination
d.
an aquifer
 

 27. 

Which of the oceans is the largest?
a.
Atlantic
c.
Indian
b.
Pacific
d.
Southern
 

 28. 

Which is the correct sequence of seafloor features as you move from the shoreline outward?
a.
continental slope - continental shelf - abyssal plain
b.
continental slope - abyssal plain - mid-ocean ridge
c.
continental shelf - continental slope - abyssal plain
d.
continental shelf - continental slope - mid-ocean ridge
 

 29. 

What is evaporation?
a.
The process of liquid water becoming water vapor
c.
the process that condenses water vapor into clouds
b.
the process of precipitation becoming groundwater
 

 30. 

How have oceanographers been able to map the sea floor?
a.
by sending out scuba divers
c.
by using echo sounding
b.
by studying seismic waves
d.
by using submarines
 

 31. 

In order from greatest amount to least amount, the Earth’s water is
a.
fresh water, salt water, frozen fresh water
b.
salt water, frozen fresh water, liquid fresh water
c.
fresh water, frozen fresh water, salt water
d.
frozen fresh water, salt water, liquid fresh water
 

 32. 

Dew is formed by
a.
the condensation of water vapor.
b.
transpiration performed by plants.
c.
frost melting just before sunrise.
d.
groundwater being pulled to Earth's surface.
 

 33. 

The process of removing salt from ocean water so that it is drinkable.
a.
has not been invented
c.
is called hydroscopic chlorination
b.
infiltration
d.
desalination
 

 34. 

What are rain, snow, sleet, and hail called in the water cycle?
a.
evapotranspiration
c.
hydration
b.
precipitation
 



 
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