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Water

QuestionAnswer
What is humidity? a measure of the amount of water vapor in the air
What is relative humidity? a percentage of water vapor that is actually in the air compared to the maximum amount of water vapor the air can hold at a particular temperature
What is Dew Point? the temperature to which air must be cooled for it to reach saturation "full capacity" and water condenses to form dew
Which can hold more moisture , warm or cool air? Why? warm air can hold more because the air particles are more spread out. this makes room for water vapor.
When air cools, why does dew form? water condenses on to solids like the grass, windows, trees... because the air particles move closer together and there is not enough space for the water vapor in the air anymore
If there is no evaporation occurring from the wet bulb of a sling psychometer, what is the relative humidity? Why the relative humidity would be 100% because there is no more room for the water vapor in the air at the current temperature.
What is the name of the instrument used to measure relative humidity? psychrometer
Why does your body sweat? we seat so the water will evaporate into the air and your body temperature will cool down
Why could it be dangerous to work outside on a humid day? if the humidity is high that means the air is almost holding its maximum amount of water vapor. this means your sweat will not evaporate from your
Why is the water cycle so important to us? It provides us with fresh water.
Where is most of our fresh water? It is mostly in ice caps and glaciers, which is why it is not as accessible
What is cohesion? when the hydrogen holds the water molecules together
What is adhesion? when the water holds onto a surface
What is an aquifer? underground layers of porous rock or sand that allows the movement of water between layers of non-porous rock (sandstone, gravel, or fractured limestone or granite)
What is groundwater? Water held in aquifers
How do we access the water in an aquifer? by using a water well
Where does Westerville get its drinking water from? Alum Creek and groundwater
What is watershed? a region of land that is crisscrossed by smaller waterways that drain into a larger body of water
What is nonpoint source pollution? are chemicals, sediment and other harmful pollutants that enter streams through runoff, spills or ground water. It is often more difficult to control than point sources.
What is point source pollution? enters a stream through a pipe or other distinct location
Examples of nonpoint source pollution. Animal Farms, Crop Land, Paved Surfaces, Neighborhoods, Mining Areas, Golf Courses, Construction sites
Examples of point source pollution. Sewage Treatment Plants, Combined Sewer Overflow (a mix of storm water & sanitary wastewater), Industrial Discharges
When we talk about Aquifers, we often talk about the porosity of the soil. What does porosity mean? The space between soil particles is referred to as "voids" or "pores" where the water can reside.
What is permeability? The ability of water to flow through a soil
What are the heat transfers that create the water cycle? Radiation causes evaporation and convection currents are in our atmosphere
Created by: kallayj