W
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100
This is what we call the liquid form of H2O.
What is water?
100
The term for flowing water carving away soil, as in the Grand Canyon.
What is erosion?
100
Xeriscape is the technical term for this
What is a water-saving landscape?
100
Lake Mead was created from this river
What is the Colorado River?
100
Clouds are mostly made of this.
What is water vapor?
200
This is what we call the solid form of water.
What is ice?
200
This is the force that causes water to flow, whether in a river or from your faucet.
What is gravity?
200
People use most of Las Vegas' water to sustain these living organisms.
What are plants?
200
At this temperature, water turns from a liquid into a solid.
What is 32 degrees Fahrenheit? or What is 0 degrees Celsius?
200
Most of the water in the Colorado River starts out as this.
What is Snow?
300
This is what we call the gas form of water.
What is vapor?
300
These special organs allow fish to extract oxygen from water
What are gills?
300
This type of plant is the most thirsty plant to use in your yard.
What is lawn?
300
Las Vegas gets about this many inches of rain each year.
What is 4 inches (4.2")?
300
The process by which liquid water is turned into its gas form by adding some form of thermal (heat) energy.
What is evaporation?
400
This is the heaviest, most dense, state of matter in which water exists.
What is liquid water?
400
The property of water that allows it to form a droplet.
What is surface tension?
400
This chemical is added to drinking water to kill germs.
What is chlorine?
400
An average person uses the toilet about this many times every day.
What is eight?
400
This is the process that causes water droplets to form on the outside of a glass of ice water.
What is condensation?
500
All together, these types of buildings use more water in Las Vegas than any other type of buildings.
What are houses?
500
One gallon of water weighs about this much.
What is 8 pounds?
500
In addition to humidity and warm temperatures, this type of weather can cause plants to need more water.
What is wind?
500
This lake is on the other side of the Grand Canyon from Lake Mead.
What is Lake Powell?
500
This is the source of energy that drives the water cycle.
What is the sun or solar energy?
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