Font size
S
M
L
XL
WorksheetsHydrosphere & Biosphere
Total questions: 15
Worksheet time: 29mins
Name
Class
Date
1.
Why is MOST of the freshwater on Earth not available for our use?
a)
All freshwater on Earth is easily accessible for use.
b)
It is frozen in the icecaps and glaciers.
c)
It is surface water.
d)
It is underground.
2.
Study the graph below. What is the dissolved solid that is most commonly found in Earth's oceans?
a)
calcium
b)
magnezium
c)
sulfur
d)
sodium chloride (salt)
3.
Salinity is applied to
a)
Warm water
b)
Ice water
c)
Fresh water
d)
Sea water
4.
How much of the earth's water is freshwater?
a)
50 %
b)
3 %
c)
97 %
d)
93 %
5.
Ocean's cover what percent of the Earth's surface?
a)
70 %
b)
60 %
c)
10 %
d)
none of the above
6.
How much of Earth's water is unavailable for humans to consume due to its high salinity?
a)
3%
b)
23%
c)
77%
d)
97%
7.
All the water on, in , and surrounding the earth
a)
Atmosphere
b)
Hydrosphere
c)
Biosphere
d)
Lithosphere
8.
This diagram models how toxic runoff can pollute a stream and also
a)
produce acid rain.
b)
cause soil erosion.
c)
create algae blooms.
d)
pollute groundwater.
9.
The process that cycles water around Earth and it's atmosphere is called
a)
The Natural Cycle
b)
The Carbon Cycle
c)
The Water Cycle
10.
Earth is what kind of system?
a)
Closed
b)
Open
11.
What is the primary source of all energy on Earth?
a)
the sun
b)
cellular respiration
c)
photosynthesis
d)
ATP
12.
What is a biosphere?
a)
The regions of the surface, atmosphere, & hydrosphere of the earth not occupied by living organisms
b)
An environment that is unable to sustain life
c)
An environment that is able to sustain life
d)
The regions of the surface, atmosphere, & hydrosphere of the earth occupied by living organisms
13.
Each of the following is an abiotic factor in the environment EXCEPT
a)
temperature
b)
soil
c)
sunlight
d)
plant life
14.
What is pictured?
a)
Salinity
b)
Ocean Currents
c)
Ice Caps
d)
Pollution Distribution
15.
The 5 main Ocean Currents are called:
a)
Gyros
b)
Gyres
c)
Currents
d)
Land Mass
Reset
