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water cycle
the continuous process by which water moves from Earth's surface to the atmosphere and back
evaporation
a process at which molecules at the surface of a liquid absorb enough energy to change to the gaseous state
condensation
water vapor cools and becomes a liquid
precipitation
when water in the form of ice, rain, sleet, hail, or snow, falls to Earth
transpiration
the water that plants give off as part of their respiratory process (they "breathe" in carbon dioxide and "breathe" out oxygen - in this process, they also make water)
surface runoff
when precipitation hits the ground, it is either absorbed, or it flows over the surface of the earth
water vapor
water in its gas form
groundwater
water that is in the ground
What 2 factors drive the water cycle?
Gravity and energy from the sun
How does water evaporate?
Water heats up from the sun causing the water to change from a liquid to a gas and rises into the atmosphere.
How does condensation happen?
Condensation is formed when water vapor in the atmosphere cools and turns from a gas to a liquid.
Infiltration
the process by which water on the ground surface enters the soil