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Drinking Water
Fill In The Blank Exercise
1.
is
water in gaseous form in the atmosphere.
2.
Water that is found below the surface of the
earth is known as_________________.
3.
____________________ is water that is not absorbed
into the ground and is found in rivers, streams, lakes, and ponds.
4.
Unpolluted
freshwater that is safe for consumption is ______________.
5.
_______________________
is the process by which particles settle out of water.
6.
The
last step in removing unwanted particles from waste water is called
_________________.
7.
__________________
is the last treatment process that uses a chemical to kill off any
remaining bacteria.
(Hint: this chemical is used to clean
bacteria out of pools)
8.
Preservation
of limited natural resources is known as _________________.
9.
A
disease that is spread through untreated water that has been contaminated
by human or animal feces, is known as a ________________ illness.
10.
A
disease-causing organism is known as a ______________.
11.
Presence
of any coliform bacteria serves as a (an) ______________ that the dangerous
strains of the bacteria could be
present in the water and that fecal contamination probably
occurred.
12.
_________________ is one test that helps us
determine the amount of certain dissolved
minerals. This water is usually high
in calcium and magnesium. It is derived from
drainage through calcareous sediments
and rock, such as limestones, sandstones, and
siltstones.
13.
Microorganisms that do not have internal cell
membranes with the ability to live on the
surface of marsh mud that can be seen
clearly with the naked eye without a microscope
are known as _______________. These microorganisms can be very harmful to humans
causing diseases such as the cold, flu,
and cholera.
Word
bank
Sedimentation Surface Water Potable
Indicator
Groundwater Bacteria Chlorination
Pathogen
Hardness Water
Vapor
Waterborne
Filtration Conservation