Worksheetshydrosphere review
Total questions: 14
Worksheet time: 11mins
Name
Class
Date
1.
Why is water from an aquifer more likely to be cleaner than water from other sources?
a)
because if forms where fresh and salt water meet
b)
it receives water directly from precipitation
c)
it rises to the surface near the ocean
d)
pollutants are filtered by rock and soil deep within earth
2.
what is an Estuary
a)
an area that drains into a large river
b)
a partly enclosed costal body of water that has atleast one river or stream feeding into it
c)
an area that drains into a smaller river or stream
d)
a wet land dominated by peat moss
3.
Where is most of Earth's FRESHWATER found?
a)
Glaciers and snowcaps
b)
Groundwater
c)
Lakes and ponds
d)
Oceans
4.
what is upwelling
a)
when warm water rises and brings nutrients to the top
b)
where cold water sinks and warm water rises and brings nutrients to the top
c)
when nutrients in cold water sink to the bottom
d)
the process where cold nutrient rich water rises while warm water sinks
5.
Where is most freshwater located?
a)
in lakes
b)
on ice caps
c)
in groundwater
6.
what is a mixture of fresh and salt water
a)
salinity
b)
brackish
7.
how does the ocean affect all living things
a)
provides a home for all aquatic life
b)
is a source of drinking water
c)
the ocean provides a place for many organisms to live
d)
by providing nutrients needed to all animals
8.
Which is true about most of the freshwater on Earth?
a)
it is abundant
b)
it is inaccessible
c)
it in underground
d)
it is in the atomosphere
9.
Scientists have found strange new life-forms called “tubeworms” on the deep ocean bottom. Which most likely provides energy for the tubeworms?
a)
algae
b)
small fish
c)
photosynthesis
d)
hydrothermal vents
10.
Approximately what percentage of the hydrosphere is represented by the oceans on Earth?
a)
30%
b)
70%
c)
87%
d)
97%
11.
Why is freshwater in short supply on Earth?
a)
most of it is frozen
b)
most of it is polluted
c)
most of it is in the atmosphere
d)
most of it is trapped underground
12.
Which represents the distribution of water on Earth?
a)
97% freshwater, 3% saltwater
b)
3% freshwater, 97% saltwater
c)
71% freshwater, 29% saltwater
d)
29% freshwater, 71% saltwater
13.
Which is a measure of the dissolved solids/salt in saltwater?
a)
density
b)
salinity
c)
thermocline
d)
temperature
14.
Which word refers to the area of land that drains to a single body of water?
a)
Swamp
b)
Watershed
c)
Glacier
d)
Water vapor
100 %
