25 Questions
What is the normal boiling point of water?
212 oF
Which of the following terms refers to a freshwater stream that does not normally contain liquid water a full twelve months out of the year?
Ephemeral
What change in state is evident in the process of Freezing?
Liquid to solid
What is the melting point of water?
0 oF
The movement of water 'uphill' in the Hydrologic Cycle requires:
Energy
What is the freezing point of water?
-32 oF
What is the term for the movement of water into or through the soil?
Infiltration
Which term describes the change in state of a substance from a gas into a liquid?
Condensation
During the process of sublimation, which change of state occurs?
Solid to gas
What is the horizontal extent of the impact of an operating well on water levels within an aquifer called?
Radius of influence
What term is often applied to a pressurized aquifer?
Artesian
What is the safe yield of an aquifer?
The average amount of water that can be withdrawn each year without causing a long-term decline in the static water level
What is the term for the horizontal extent of the impact of an operating well on water levels within an aquifer?
Radius of influence
What is the term often applied to a pressurized aquifer?
Artesian
What is the surface of the water in an unconfined aquifer called?
Water table
Which soil material is most commonly found in aquifers?
Clay
What is another term for 'Safe Yield'?
Perennial yield
What is the height to which water will rise in wells located in an artesian aquifer called?
Piezometric surface
What term is used to describe the safe return of water levels in the aquifer around an operating well after shut down?
Recovery
When the water table of groundwater surrounding a stream is higher than the water level in that stream, what condition exists?
Ephemeral conditions will exist
What is a stream that normally has evident surface flows on a year-round basis called?
Constructed stream
What is the shoreline and near-shoreline area of a lake known as?
Littoral zone
Which chemicals are employed for preoxidation at a surface water treatment plant?
Ozone
What factors will influence the amount of runoff?
All of the above
What can cause Methemoglobinemia, or blue-baby syndrome?
Chromium VI
Study Notes
Water Properties
- Normal boiling point of water: 100°C
- Melting point of water: 0°C
- Freezing point of water: 0°C
- Change in state during freezing: liquid to solid
- Change in state during sublimation: solid to gas
Hydrologic Cycle
- Movement of water 'uphill' requires energy
Aquifers
- Term for the movement of water into or through the soil: infiltration
- Surface of the water in an unconfined aquifer: water table
- Most commonly found soil material in aquifers: sand
- Another term for 'Safe Yield': perennial yield
- Height to which water will rise in wells located in an artesian aquifer: potentiometric surface
- Term used to describe the safe return of water levels in the aquifer around an operating well after shut down: recovery
- Term often applied to a pressurized aquifer: artesian aquifer
- Safe yield of an aquifer: rate at which water can be withdrawn without depleting the aquifer
Streams and Lakes
- Term for a freshwater stream that does not normally contain liquid water a full twelve months out of the year: intermittent stream
- Term for a stream that normally has evident surface flows on a year-round basis: perennial stream
- Shoreline and near-shoreline area of a lake: littoral zone
Water Treatment
- Chemicals employed for preoxidation at a surface water treatment plant: ozone, chlorine, or potassium permanganate
Runoff and Water Quality
- Factors that influence the amount of runoff: precipitation, soil type, vegetation, and topography
- Cause of Methemoglobinemia, or blue-baby syndrome: high levels of nitrate in drinking water
Check out the quiz results for Ron Eversole in the Source Water Quiz. See the score and the answers to the questions that were attempted. Compare the answers with the correct ones to learn more about source water.
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