water quiz 3
Terms
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- concentration
- the amount of one substance in a certain volume of another substance
- septic systems
- homes that are not connected to public sewers use this
- filtration
- the first step in treating water from a river or a lake
- preliminary treatment
- the first stage of treating wastewater it involves the removal of large particles
- first filtration
- the first step of treating drinking water it involves passing water through as series of screens
- eutrophication
- nutrients build up in a lake causing algae to grow
- how can pollution be cleaned up
- by organisms that eat the pollutants
- runoff
- comes from farmers fields can have pesticides
- how can we use iceburgs
- to supply fresh water to dry areas
- kinetic energy
- the energy water has when it is moving
- water pollution
- the addition of any substance to the water that has a negative effect on living things
- pesticides
- chemicals that are used to kill organisms that damage crops
- conservation
- using less water to ensure it does not run off
- water hardness
- the level of calcium and magnesium in water
- aeration
- when air is forced through water to reduce unpleasant odors and taste
- point sources
- specific source of pollution that can be identified
- PH
- a measurement of acidity in water on a scale of 0-14
- acid rain
- a water pollution that is caused by smoke and exhaust
- water PH
- 7
- sewage
- wastewater produced at home