Hydrosphere Review

Which describes an estuary?

• A large body of fresh water.
• A large body of salt water.
• The wide, lower course of a river where fresh and salt water mix.

Where does most fresh water exist?

• ice caps, lakes, and streams
• glaciers, rivers, and oceans
• aquifers, ice caps, and glaciers

The change of water from a liquid to a gas.

• evaporation
• precipitation
• condensation
• transpiration

How much of the earth's water is freshwater?

• 50 %
• 3 %
• 97 %
• 93 %

What part of the water cycle does this picture show?

• condensation
• precipitation
• evaporation

Snow, sleet, hail, and rain are all examples of  ________________. 

• evaporation
• condensation
• accumulation
• precipitation

An area of land that drains into a body of water.

• mouth
• point-source pollution
• watershed
• headwaters

What powers the water cycle?

• running water
• the sun
• Earth's interior
• gravity

Study the graph below.  Where is most of the Earth's water located?

• Rivers and Lakes
• Glaciers and Icecaps
• oceans
• groundwater

Why is MOST of the freshwater on Earth not available for our use?

• All freshwater on Earth is easily accessible for use.
• It is frozen in the icecaps and glaciers.
• It is surface water.
• It is underground.