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Fresh Water And Saltwater Resources
Test Description: Vocabulary
Instructions: Answer all questions to get your test result.
1) Yucky! Ocean water is so nasty! I NEVER WANT TO DRINK IT AGAIN.
A
chemosynthesis
B
salinity
C
marine
D
desalination
2) Just like plants, many ocean organisms know how to feed themselves.
A
salinity
B
chemosynthesis
C
desalination
D
marine
3) How would Sonar technology most likely be used in the ocean?
A
to find the ocean's dissolved oxygen content
B
to measure the ph levels of ocean waters
C
to find its water temperature
D
to measure its depth
4) How can the atmosphere be considered a part of the hydrosphere?
A
it blocks ultraviolet rays from the sun.
B
it traps pollutants that would otherwise harm the Earth
C
It is a source of water.
D
it contains the oxygen necessary for life on Earth.
5) Which best explains the importance of dissolved gases in the oceans?
A
They help maintain constant levels of salinity
B
They help maintain a constant water temperature
C
They help control pollution
D
They help provide oxygen for aquatic animals
6) Which statement best explains the reason some insects can walk across the surface of a lake
A
water is a non-polar molecule, and its cohesiveness causes good capillary action.
B
Water is a polar molecule and its cohesiveness causes high surface tension
C
Water is a non-polar molecule, and its high adhesiveness provides high surface tension
D
water is a polar molecule and its adhesiveness causes good capillary action.
7) What does the hardness of water indicate?
A
increased pressure in pipelines to faucets
B
decreased pressure in pipelines to faucets
C
high levels of calcium and magnesium
D
low levels of calcium and magnesium
8) Which of the following factors is most important in determining the organisms that live in different areas of the ocean?
A
currents
B
sediments
C
tides
D
sunlight
9) Which of the following substances will get the hottest after reaching its specific heat?
A
ice
B
lead
C
iron
D
glass
10) Where is the majority of Earth's freshwater located?
A
clouds
B
rivers
C
polar ice caps
D
Pacific Ocean
*select an answer for all questions
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