Water Review

What percentage of the earth is covered by water?

• 100%

• 3%

• 30%

• 70%

What percentage is freshwater?

• 100%

• 3%

• 30%

• 70%

In what form is most of Earth's freshwater?

• ice caps and glaciers

• groundwater

• rivers

• oceans

Fresh water in the atmosphere is known as

• ice

• water vapor

• aquifer

• marshes

any water that lies underneath the surface of the land

• Groundwater

• marshes

• rivers

• glaciers

filter clean and store water, help prevent erosion during flooding ,habitat for unique organisms

• surface waters

• aquifers

• rivers

• job of wetlands, like marshes

a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.

• river

• glacier

• marsh

• aquifer

What could Global warming- heating up earth do?

• Cause the ice caps to melt

• cause more water in rivers

• cause increase in ice caps

• cause underground water to change course

Why are some areas of the world facing water shortages?

• It doesn't get enough sun.

• To much salt water

• due to climate changes and weather patterns

• People water their yard too much.

What can a shortage of freshwater lead to?

• serious diseases and economic problems

• more salt water

• less water for the ocean animals

• marine animals dying