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A decrease in temperature may cause water to change from a A.Solid to a liquidB.Liquid to a solidC.Solid to a gasD.Liquid to a gas

About how much of the total wateron Earth is salt water?A.3%B.24%C.76%D.97%

Divides separate what?A.WellsB.AquifersC.Permeable rockD.Drainage basins

Which water cycle process is rain?A.PrecipitationB.EvaporationC.CondensationD.Transpiration

Water is important because itA.Is necessary for lifeB.Never changes formC.Covers ¼ of Earth’s surfaceD.Always exists in a liquid state

Name a type of hot springA.AquiferB.GeyserC.Artesian wellD.Drainage basin

Most of Earth’s fresh water is found in…A.Glaciers and icebergsB.Rivers and streamsC.Ponds and lakesD.Aquifers and springs

Precipitation that has become part of an aquifer is an example of …A.Lake waterB.Salt waterC.Artesian wellD.Ground water

In a pond, an increase in nutrientsmay cause large amounts of algaeto grow. This is the process ofA.EutrophicationB.EvaporationC.CondensationD.Turnover

Bodies of surface water are calledA.Aquifers and impermeable rocksB.Ponds and impermeable rocksC.Lakes and pondsD.Aquifers and streams

An increase in temperature can causeLiquid water to change toA.Ice cubesB.Water vaporC.RainD.Sleet

Which of the following affects the way water flows over land?A.Gravity onlyB.Drainage basin onlyC.Both gravity and drainage basinsD.Neither gravity nor drainage basins

Water covers nearlyA.¾ of Earth’s surfaceB.¼ of Earth’s surfaceC.1/10 of Earth’s surfaceD.9/10 of Earth’s surface

Which water cycle processforms clouds?A.EvaporationB.CondensationC.PrecipitationD.Transpiration

Which of these correctly describesthe water on Earth?A.About 3% fresh and 97% saltB.About 24% fresh and 76% saltC.About 76% fresh and 24% saltD.About 97% fresh and 3% salt

Ground water that flows onto Earth’ssurface because the land in this locationis below the water table is calledA.An aquiferB.A springC.A glacierD.A well

Water that collects and moves beneath the Earth’s surface is calledA.An aquiferB.Ground waterC.Surface waterD.A drainage basin

About two-thirds of Earth’sFresh water is stored inA.AquifersB.OceansC.Glaciers and icebergsD.Rivers and lakes

When surface water from precipitationand streams fills low parts of land, it formsA.Impermeable rocksB.Water tablesC.LakesD.Aquifers

During the summer, the surface waterOf a lake does not mix with cooler water Below it. In the fall, this warm layer cools and sinks. This is calledA.EutrophicationB.EvaporationC.CondensationD.Turnover

Water with added nutrients causes?Eutrophication

Plant that grows in water?Algae

Lack of what causes fish to die in a lake?Oxygen

Process that turns lakes into meadowsEutrophication

Why are aquifers important to humans?It is where our water comes fromIt filters dirty water