Water Resources February Break Check-In

Desalination is

• removing salt from water
• removing oil from water
• removing toxic chemicals from water
• adding salt to water

How much of Earth's water is fresh water?

• 99%

• 75%

• 3%

• 1%

Where is most of the Earth's freshwater located?

• underground
• in lakes and rivers
• in the ocean
• frozen in glaciers

An underground layer of rock or sediment that holds water

• watershed
• groundwater
• permeability
• aquifer

All of the following are pros of dams EXCEPT

• Storage of Water for human consumption

• Generation of Electricity

• Habitat Reconstruction

• Flood Control

The body of water created by damming a steam is called a/an

• Levee

• Aquifer

• Aqueduct

• Reservoir

Levees are built on the sides of rivers to

• Prevent Flooding

• Generate Electricity

• Acquire water for consumption

• Prevent pollution

The world's largest dam is the

• Ogallala Aquifer

• The Three Gorges Dam

• The Hoover Dam

• The Merrimack River Dam

A canal or ditch that is used to carry water from one place to another is called a/an

• Levee

• Dam

• Aqueduct

• Aquifer

How has the diversion of water by aqueducts affected their original source of water? (Ex: Aral Sea)

• It pollutes the source

• It depletes (causes the water level to decrease) the source.

• It causes the source to grow and expand

• It makes the source cleaner and healthier