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Unit 8 - surface and ground water

The energy source that powers the water cycle. Sun
The natural process that recycles water. Water Cycle
Water that falls to the Earth in the form of rain, snow, sleet, and hail. Precipitation
The downward movement of water from the land surface into soil or porous rock caused mainly by gravity. (water soaking into the ground) Percolation
A natural underground area where large quantities of groundwater accumulate in the spaces between rocks and sediment. Aquifer
Water that collects on the ground in puddles, ponds, lakes, streams, rivers, wetlands, or oceans. Surface Water
Occurs when the sun heats the water in a body of water and causes the water to turn to water vapor. Evaporation
The upper surface of underground water below which the soil or rocks are permanently saturated with water. Water Table
The introduction of a contaminant into the environment. Pollution
An area of land where all the surface water within a specified area drains downward and flows to the same place. Watershed
Water that flows through the pores in the rocks and soil beneath the surface of the ground and may enter the water table. Groundwater
The measure of the amount and size of spaces within an earth material (sand, soil, gravel, clay). Porosity
The measure of the ability of an earth material to let water pass through it. Permeability
Water moving along the surface of the Earth, especially down a slope. Runoff
Water vapor, which is lighter than air, if forced upward and begins to cool until it reaches its dew point where it forms clouds. (vapor becomes a liquid) Condensation
Plants release water vapor from their leaves. Transpiration
Created by: lmsraiders