chapter 27.3 Flashcards
what is the percent of water on earth is salt water?
97%
what percentage of water on earth is freshwater?
3%
where is the majority of freshwater found?
glaciers 2%
where is the smaller percentage of freshwater found?
lakes,rivers, and stored as ground water 1%
what is precipitation?
when water vapor in the air cools and condenses
rain,snow,sleet,hail
what is runoff?
where water runs off land surface
what is infiltration?
the process by which water enters Earth and becomes groundwater below the surfaces.
what is transpiration?
when plants release water vapor into the atmosphere through their leaves.
what is evaporation?
when water enters the atmosphere as water vapor.
what is condensation?
when water vapor molecules collides with other water molecules to form droplets
what is the water cycle?
the water cycle is where water from the land enters the atmosphere and the returns back to land
what is an unsaturated zone for groundwater storage?
the porous area where water easily passes through
what is a saturated zone for groundwater storage/
where water fills up the pore spaces
what is a water table?
the upper boundary of the saturated zone
what does it mean if sediment is permeable?
the easier water can infiltrate through the ground
