by,Joyce  Gentry

although the water looks like it colorless does not mean that it is colorless

energy is being desolved

ph is quite an important measurement of water 

is the measure of relative clarity of liquid

if you scoop up some muddy water in a glass your viewing the supsended sediment

water hardness varies throughout the united states

TEMPERATURE EXERTS A MAJOR INFLUENCE ON BIOLOGICAL ACTIVITY AND GROWTH

worksheet, wiki, google