Pearson Science Topic 2 Water Cycle

tides

a pattern of rising and falling movement in the ocean caused by gravity

reservoir

a place to store water made by humans

cycle

a series of events that repeats itself

circulation (water)

a swirling movement that moves ocean water around the globe (water current)

circulation (air)

air moving heat in a circular motion

aquifer

large supplies of underground water

glaicer

snow and ice gathered in one area over many years

distribute

spread out

salinity

the amount of salt in water

primary

the original or most important part

water cycle

the pattern of water moving on earth from the ocean, to the sky, to rain, to a river, and back to the ocean

condensation

the process where a gas cools and becomes a liquid

evaporation

the process where a substance warms and changes from a liquid into a gas

precipitation

water in the atmosphere that falls to earth as rain, sleet, snow, or hail