Can we run out of water Day 5 quiz

What percent of Earth's water is fresh water?

• 3%

• 30%

• 97%

On average humans use about 12 ________ of water per day.

• ounces

• gallons

• buckets

• liters

When a region receives less precipitation than normal for an extended period of time, that's called a ____________.

• contaminate

• desalination

• reclamation

• drought

contaminate-

• to pollute or make impure

• a long period of usually low rainfall

• the removal of salt from seawater

• the recovery of useful substances from waste products

There is no way to create new water on Earth. But we can make better use of the water we have. How do some communities "recycle" their used water?

The removal of salt from seawater is called...

• reclamation

• desalination

• conservation

• saltwaterremoval

Which of the following are "events" in the reclamation process? Check all that apply

• Waste materials are separated from the water

• Chemicals are added to the water to kill off microorganisms

• Waste water is collected at a treatment plant

• Recycled water is returned to a community's water system

• Small particles are filtered from the water

Which of the following would be impacted by drought? Check all that apply

• agriculture

• drinking water

• economy

About how many gallons of water does a toilet use when flushing?

• half a gallon

• one and a half gallons

• 5 gallons (home depot bucket size)

• 10 gallons

Can we run out of water? Is that even possible? Explain your thoughts on what YOU can do to help. Use detail and vocabulary (drought, contaminate, desalination, reclamation, conservation) in your answer.