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100
% of Earth's water that is drinkable
What is 3%
100
Tank under the ground that cleans the wastewater from a household
What is a septic tank
100
Efforts by industries and homes to use less water
What is conservation
100
Powers the water cycle
What is the sun's energy
100
Rock and soil deposited by streams
What is sediment
200
Nonpoint-source pollution reaches bodies of water by
What is runoff
200
When is a stream most likely to deposit the rock and soil that it is carrying
What is its current slows
200
A method of flood control which involves building a barrier that holds excess water in an artificial lake
What is a dam
200
How is a well different from a spring
What is it's made by humans
200
A method of flood control which involves building up the banks of a river to keep the river within its channel
What is a levee
300
Forms when the water table is lower than a cave
What is a sinkhole
300
How is the size of the land changed when a stream deposits sediment
What is it increases
300
Allows the flow and storage of ground water
What is an aquifer
300
Pollution that comes from animal wastes and fertilizers
What is nitrate pollution
300
Delivers water directly to the roots of crops
What is a drip irrigation system
400
River that has a wide, flat flood plain and many bends where it deposits rock and soil
What is an old river
400
A youthful river is steep and fast moving. What kind of river has few waterfalls
What is a mature river
400
A river flowing through a valley where the sides of the valley look like steps
What is a rejuvenated river
400
A watershed is land drained by a
What is a water system
400
Formed on dry land at the base of a mountain stream
What is an alluvial fan
500
Muddy rivers that carry small rocks and soil are carrying
What is a suspended load
500
Water table is found between what 2 zones
What is the zones of aeration and saturation
500
Large materials, such as pebbles and boulders, carried along by a stream are called
What is a bed load
500
Material carried in a river in solution, or dissolved in the water
What is a dissolved load
500
If a sewer pipe is leaking from an apartment building and a factory is dumping waste into the same river, what kind of pollution is it
What is nonpoint-source solution