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Earth Science

Fresh Water

TermDefinition
Transpiration the process by which plants release water vapor through their leaves
impermeable describes material in which water does not pass through easily, such as clay granite
recharge new water that enters an aquifer from the surface
runoff water that flows over Earth's surface
aquifer an underground layer of rock or soil that holds water
ground water water that fills the cracks and pores in underground soil and rock layers
water table the top of the saturated zone or the depth to the level of groundwater in an aquifer
pores tiny openings in and between particles of rock or soil that may contain air or water
spring a place where the water table meets the ground surface and groundwater flows out of cracks in the rock
evaporation the process by which molecules of liquid water absorb energy and change to water vapor
What is the amount of earths water that is salt water? 97%
What is the amount of earths water that is fresh water? 3%
where is most of the earth's fresh water found? ice and the ground
Name 3 fresh water sources rain, snow and hail
Compare the amount of water in the ocean, icebergs, and lakes. 97% ocean, 2% iceberg, and lakes 0.01%
List 4 ways to conserve water avoid contaminating rivers, lakes and ground water. use rain water for gardening. Recycle dirty water. And use economic toilet flushes.
What is water cycle? a continuous process of water circulating between the earth's oceans, atmosphere and land
What process changes liquid water to water vapor evaporation
List the places on Earth from which water can evaporate Oceans, lakes, dams
How do plants release water into the atmosphere? transpiration
Which process occurs when water molecules become too heavy and fall back to the Earth's surface precipitation
Name 4 types of precepitation rain, snow, hail, and sleet
Explain if there is need to add or lose any amount of the Earth's water available to use Water is a scarce resource so we need to conserve, recycle water and use rain water
What is the energy source for the water cycle? The sun
Describe runoff The process by which water flows off over the surface of the land caused by rain
What is water that soaks into the ground called? permeable
Material in which water cannot hold any more, it is ________________________ saturated
If the ground is full of water and cannot hold any more, it is________________________ saturated
What factors influence how long groundwater stays underground? when rain, streams, and rivers feed into underground water
Where must you dig to in order to get water from an aquifer? into the water table
What percentage water is usable by humans out of all waters in the world? 1%
Spaces between rocks and soil is____________ pores
Created by: mystudystuck