Ocean Water: Question Preview (ID: 690)

Below is a preview of the questions contained within the game titled OCEAN WATER: Reviews Importance Of Oceans, How They Were Formed, And The Properties Of Ocean Water .To play games using this data set, follow the directions below. Good luck and have fun. Enjoy! [print these questions]

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About how much of Earth's surface is covered by ocean water?
a) 71% b) 50% c) 30% d) 15%
Which process on the early Earth first released most of the water that would eventually make the oceans?
a) volcanic activity b) erosion c) photosynthesis d) meteorite impacts
Where does the salt in salty ocean water come from?
a) rocks on land that are eroded by running water b) the atmosphere c) the ocean floor d) byproducts of ocean wildlife
What is the number one factor that determines the type of organisms that can live in a body of water?
a) salinity b) temperature c) density d) amount of light
The earth's oceans contain about _______ percent salt.
a) 3.5 b) 35 c) 0.5 d) 0.35
How much salt is in freshwater?
a) less than 0.5% b) about 5% c) about 3.5% d) about 35%
Where on Earth is ocean water the most dense?
a) poles b) surface water at the tropics c) along the Gulf Stream d) near shorelines
How does salinity affect ocean water density?
a) The more saline it is the more dense it is. b) Highly saline water is less dense than water with no salt in it. c) Salinity has no influence on ocean water density because density is a fixed property of water. d) Salinity affects the density of water only in very cold polar areas.
What type of water is most available for human use as drinking water?
a) freshwater in rivers and streams b) ocean water c) atmospheric water d) ice and snow
How does ocean water temperature affect its movements?
a) Cold water sinks b) Cold water rises c) Warm water circulates and cold water stays still d) Ocean water only moves once the temperature rises above 50 degees F.
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