A water shortage caused by scarce rainfall in a particular area
What is drought
100
Any substance that causes water pollution is called a ________
What is pollutant
100
The form of energy that an object has when it is moving
What is kinetic energy
100
Can break down toxic chemicals in rivers and lakes
What is bacteria
200
The amount of one substance in a certain volume of another substance
What is concentration
200
Using resource wisely so that it will not be used up
What is conservation
200
A widely spread source of pollution that is difficult to link to a specific point of origin , such as road runoff
What is nonpoint source
200
Electricity produced by the kinetic energy of water moving over a waterfall or dam
What is hydroelectric power
200
The process of obtaining fresh water from salt water
What is desalination
300
Deposits of fine solids that settle out from wastewater during the treatment process
What is sludge
300
In Agriculture, when water is carried in open canals or ditches, much water is lost through _____________.
What is evaporation
300
Chemicals intended to kill insects and other organisms that damage crops
What is pesticides
300
Energy that is stored and waiting to be used
What is potential energy
300
Added to drinking water to kill bacteria and other organisms
What is chlorine
400
Water containing human waste
What is sewage
400
In agriculture, 2 methods that reduce the amount of time that water is exposed to air are ____________ and _______________.
What is sprinkler irrigation and drip irrigation
400
The result of sulfur and nitrogen reacting with water in the atmosphere
What is acid rain
400
Besides providing energy to produce electricity,______ can supply water for irrigation and help in flood control
What is a dam
400
1st filtration, coagulation, 2nd filtration, chlorination, aeration, addition of fluoride are the steps in ________________________.
What is drinking water treatment
500
A high coliform count is an indicator that the water may contain ...
What is disease-causing organisms
500
3 ways that industries can conserve water
What is reduce, reuse, recycle
500
Human and animal waste, industrial and agricultural chemicals, and runoff from road
What is sources of water pollution
500
Water stored behind a dam has __________ energy
What is potential
500
Drops solids, sludge forms, trickling filter system, ultraviolet light destroys bacteria, chlorination (if needed) evaporates or is pumped into water source are the steps in _________________________.