UNIT 1A VOCAB TERMS

UNIT 1A VOCAB LIST!

PURITY: clean, free from impurities

FILTRATE: the liquid collected after it has been filtered

ADSORB: to attract and hold onto a surface

PERCENT RECOVERY: percent of original foul water sample recovered as purified water

PURIFIED WATER: water that has been cleaned through a process of filtration/purification

HISTOGRAM: shows percent of total amount of each lab's data

RANGE: the difference between the largest and smallest values in a data set

MEAN: average value found by adding all values together and dividing the sum by the total number of values

MEDIAN: middle value

DISTILLATION: the process of separating salt from water through evaporation and condensation in a distillation apparatus

ELECTRICAL CONDUCTIVITY: focuses on the presence of dissolved, electrically charged particles in water

THE TYNDALL EFFECT: the clarity of a water sample tested by passing a beam of light through each sample. Presence or absence of the Tyndall Effect

PURE: clean, purified

HYDROLOGIC CYCLE: the cycle of water falling, evaporating into the air, condensing, and falling again

DIRECT WATER USE: water that can be directly measured

INDIRECT WATER USE: hidden uses of water

GASEOUS STATE: water vapor in the air

LIQUID STATE: in lakes, rivers, oceans, clouds, and rain

SOLID STATE: ice

SURFACE WATER: a river or other body of water

GROUNDWATER: a well- must be pumped to the surface

AQUIFIER: a water-bearing layer of rock, sand, or gravel