3rd Nine Weeks Exam Review

Water covers over 70% of planet Earth and most of the water is salt water. Which number on the map of the United States represents a body of salt water?

• 1

• 2

• 3

• 4

A natural waterway where fresh water flows from one area to another area such as the ocean is a(n)

• aquifer.

• estuary.

• river.

• spring.

This is a body of still fresh or salt water. It is found inland and sometimes in mountain regions. It is larger and deeper than a pond. What is this body of water called?

• river.

• lake.

• stream.

• ocean.

Which body of water is described as a large, inland body of standing water?

• Lagoon

• Lake

• Ocean

• River

Which best describes the composition, or make-up, of clouds?

• They are made of heated air.

• They are made of air pollution.

• They are made of tiny droplets of water.

• They are made of carbon dioxide and oxygen.

When energy from the Sun heats up a puddle of water, the water in the puddle ________ into the air.

• Evaporates

• Condenses

• Freezes

• Sublimates

When water is used for irrigation, only about one-half can be used again. Much of this water is lost for use on land because it ______________ back into the air.

• condenses

• evaporates

• precipitates

• transpires

Which part of the diagram represents the largest amount of water on earth?

• Oceans

• Rivers

• Lakes

• Rain and other forms of precipitation

The Ogallala Aquifer, located in the Great Plains of the United States, is one of the world's largest aquifers. Most of the water here has been there since the last Ice Age, but the aquifer is shrinking. Which of these describes why the Ogallala Aquifer is shrinking in size?

• Overuse for agriculture

• The area had been in a drought since the last ice age

• The aquifer is draining more water into the oceans today

• Global climate change has caused an increase in evaporation

This graphic shows the largest freshwater and saltwater sources on Earth. Which of these sources BEST completes the graphic?

• snow

• clouds

• groundwater

• swimming pools