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Unit 2 Vocabulary

Across
the continuous movement of water from the ocean to the atmosphere to the land and back to the ocean.
the downward movement of water through pores and other spaces in soil due to gravity.
the area where water is distributed after flowing through septic tanks and where it can be collected as groundwater.
the measure of a rock’s ability to let water pass through.
the upper zone under the Earth’s surface that allows water to pass through
facilities that clean the waste materials out of water in urban areas.
the percentage of the total volume of a rock or sediment that consists of open spaces
rain, snow, sleet, or hail that falls from the clouds on the Earth’s land and oceans.
when water flows over land in streams and rivers, until it eventually reaches a body of water.
the lower zone under the Earth’s surface where groundwater collects.
a place where the water table reaches the surface and allows water to flow out from the ground.
Treatment type where water is sent to an aeration tank, where it is mixed with oxygen and bacteria. The bacteria feeds on the waste, before having chlorine added to the water to disinfect it.
the inability to let water pass through
Down
a human-made hole that is deeper than the level of the water table and is used to access groundwater.
Treatment type where dirty water is passed through a large screen to catch solid objects then is collected to allow smaller particles to settle to the bottom.
the boundary between the zone of aeration and zone of saturation; it is the highest point where groundwater can collect.
a body of rock or sediment that stores groundwater and allows the flow of groundwater.
pollution that comes from many sources.
The process which takes place when water vapor cools and changes into water droplets that form clouds in the atmosphere.
pollution that comes from a one specific site.
large underground tanks that clean the wastewater from households in rural areas.
areas in which water can travel downward to become part of an aquifer
The process which takes place when water from the oceans and the Earth’s surface changes into water vapor.
water located within the rocks below Earth’s surface.
groups of liquid water that form in the atmosphere.
a spring whose water flows from a crack in the cap rock over the aquifer