Water Unit Practice Questions

When there is a drought (a period of time with little or no rainfall) the amount of water stored beneath the earth’s surface can become low. What is this water located under the surface called?

• groundwater

• accumulation

• water vapour

• humidity

The process of water changing from liquid to gas is called ________________.

• evaporation
• condensation
• precipitation
• run-off

Rain, snow, sleet, and hail are all examples of ________________.

• evaporation
• condensation
• precipitation
• run-off

The movement of water through the process of evaporation, condensation, and precipitation is called:

• the water cycle
• the hydrocycle
• the water chain
• H2O around the world

An underground layer of rock or sediment that holds water

• watershed
• groundwater
• permeability
• aquifer

2/3 of freshwater on Earth is "locked away" in what water source location?

• atmosphere
• rivers and lakes
• underground
• ice and glaciers

What % of freshwater is on Earth?

• 97%
• 71%
• 3 % 
• 1 %

Mandates the restoration and maintenance of the chemical, physical, and biological integrity of the nation's waters

• Safe Drinking Water Act
• Clean Water Act
• Clean Air Act
• Resource Conservation Recovery Act

Which of the following offers the greatest conservation of water?

• center pivot sprinkler systems
• LEPA sprinkler systems
• drip irrigation
• flood irrigation

When it rains or snows, most water that doesn't evaporate soaks into the ground. This is called -

• Ice
• Groundwater
• Habitat
• Freshwater