CH. 17

How much of Earth's water is fresh water?

• 10

• 7

• 5

• 2

What is A?

• Evaporation
• Condensation
• Precipitation
• Runoff

What is the water cycle?

• the 3 forms of water
• the movement of water on, above, or below the surface of the Earth
• when water melts
• when clouds form

During which stage do clouds form?

• condensation
• evaporation
• precipitation

Which of the following is globally the highest user of water?

• Agriculture sector

• Industrial sector

• Leisure sector

• Domestic sector

Which of the following is a benefit provided by dams and reservoirs?

• Generation of electricity

• Increases a river's flow and flushing action

• Decreases air pollution

• Provides pathways for migrating fish

The article indicates that "many countries could be water insecure". What do you think is the best maening of "water insecure" in this article?

• The water itself has poor self esteem

• The countries are not feeling confident in having enough water

• The water in their country is of poor quality

• There is a threat that another country might invade to take their water

Because of climate change, what is causing major flood damage?

• Rising sea levels

• Too much rain

• We don't use enough water

What Earth's surface is covered with what percentage of water?

• 25%

• 70 -75%

• 97%

• 99%

Which of these are steps is Florida taking to control flooding?

• Roads raised above sea level

• Building protective barries around shopping malls

• Putting sand on roads

• Taking water out of the ocean