Rain Barrel Quiz

Estimated Completion Time
2 min
Rain Barrel Quiz
Image: Jakob Fridholm/Getty Images

About This Quiz

Rain barrels are great for water conservation. Test your knowledge on rain barrels with this rain barrel quiz at HowStuffWorks.
Which of the following statements is true?
There is evidence that collecting rainwater in cisterns was a common practice in the Middle East more than 4,000 years ago.
There is evidence that collecting rainwater in cisterns was a common practice in the Middle East more than 4,000 years ago. How Rain Barrels Work
There is evidence that collecting rainwater in cisterns was a common practice in the Middle East more than 8,000 years ago.
There is evidence that collecting rainwater in cisterns was a common practice in the Middle East more than 6,000 years ago.

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Which of the following locations offers monetary incentives for people to collect rainwater?
Germany
Japan
All of the above
Both Germany and Japan offer monetary incentives for people to collect rainwater. How Rain Barrels Work

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What is the best way to describe rain water?
completely pure
relatively pure
Rain water is best described as relatively pure. How Rain Barrels Work
toxic

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What term is also referred to as "nature's distillation process"?
Condensation
Precipitation
Evaporation
Evaporation is also referred to as "nature's distillation process". How Rain Barrels Work

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Why is rainwater ideal for watering your plants?
It is usually hard water.
It is usually soft water.
Rainwater is ideal for watering your plants because it is usually soft water. How Rain Barrels Work
It contains very high acidity levels.

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One inch (2.54 centimeters) of rain falling on a 1,000 square foot (93 square meter) roof will yield how many gallons of water?
200 gallons
300 gallons
600 gallons
One inch (2.54 centimeters) of rain falling on a 1,000 square foot (93 square meter) roof will yield 600 gallons of water. How Rain Barrels Work

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Which of the following statements is true?
The average American household uses 15 percent of its total water for outdoor applications.
The average American household uses 30 percent of its total water for outdoor applications.
The average American household uses 30 percent of its total water for outdoor applications. How Rain Barrels Work
The average American household uses 50 percent of its total water for outdoor applications.

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What roofing materials can contaminate water, making it unsafe to use?
asbestos shingles
tar and gravel
All of the above
Asbestos shingles, tar and gravel are roofing materials that can contaminate water, making it unsafe to use. How Rain Barrels Work

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What term is used to describe the recyclable water left over from showering, bathing or washing clothes?
gray water
Gray water is the term used to describe the recyclable water left over from showering, bathing or washing clothes. How Rain Barrels Work
green water
dirty water

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Which of the following statements is true?
Even though rainwater is natural, it isn't safe for drinking unless it's been filtered and treated.
Even though rainwater is natural, it isn't safe for drinking unless it's been filtered and treated. How Rain Barrels Work
Rainwater is natural and is always safe for drinking.
Rainwater is natural and safe for drinking as long as it has not been sitting in the barrel for more than three days.

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You Got:
/10
Jakob Fridholm/Getty Images
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