Answers 100% Correct
covalently bonded electrons are shared, but they are not shred equally
water is polar the electrons are not equally shared, a partial negative charge develops on
the oxygen atom and a partial positive charge develops on each of the hydrogen atoms
cohesion the ability of water molecules to stick to each other
high surface tension allows small organisms to skate across the water's surface
adhesive sticks to other things like the sides of a glass or pipette
meniscus The curved upper surface of a liquid in a tube
universal solvent many types of ionic and polar compounds (sugars, proteins, and salts)
dissolve in water
, CCBC ENVS 101 Exam 2 Questions And
Answers 100% Correct
high specific heat it takes a large amount of heat energy to raise the temperature of water 1
degree
density mass/volume
evaporate Solar radiation causes water to __________ from the oceans and enter the
atmosphere as water vapor
Precipitation As the water vapor rises, it cools and condenses to form __________ of
various kinds (e.g., rain or snow)
run off water that flows over the ground surface rather than soaking into the ground
Transpiration After incorporation into plants water may return to the atmosphere through
__________
freshwater is distinguished from salt water and brackish water by the very low
concentration of solutes
, CCBC ENVS 101 Exam 2 Questions And
Answers 100% Correct
solutes dissolved substances such as salts; less than .5 ppt
brackish water usually found in areas where rivers and oceans meet; .5 to 35 ppt
saltwater found in the oceans and some lakes in arid lands; 32 to 37 ppt
Glaciers are large bodies of ice that accumulate on land
groundwater exists trapped in rock within aquifers
unconfined aquifer an aquifer made of porous rock covered by soil out of which water can
easily flow
recharge entry of water into the aquifer
water table the upper limit of the zone of saturation for the unconfined aquifer