Chapterb Flashcards
(27 cards)
What is the primary source of freshwater on Earth?
Glaciers and ice caps.
True or False: The majority of Earth’s water is saltwater.
True.
Fill in the blank: Rivers, lakes, and reservoirs are examples of __________ sources.
surface water.
What percentage of Earth’s water is freshwater?
About 2.5%.
Which process describes the movement of water from the ground to the atmosphere?
Evaporation.
What is groundwater?
Water that is stored underground in aquifers.
Multiple Choice: Which of the following is NOT a source of freshwater? A) Glaciers B) Rivers C) Oceans D) Lakes
C) Oceans.
What is the term for the cycle that describes the continuous movement of water on, above, and below the surface of the Earth?
The water cycle.
True or False: Desalination is a process used to convert saltwater into freshwater.
True.
What are aquifers?
Underground layers of water-bearing rock.
Fill in the blank: The zone of saturation is where all __________ is filled with water.
pores.
Which is a major use of freshwater?
Agriculture.
Multiple Choice: Which of the following is a renewable source of water? A) Groundwater B) Desalination C) Rainwater D) Both A and C
D) Both A and C.
What is the main contributor to water scarcity?
Over-extraction of water resources.
True or False: Water quality is more important than water quantity.
True.
What is a watershed?
An area of land where all the water drains to a common body of water.
Fill in the blank: __________ is the process of collecting and storing rainwater.
Rainwater harvesting.
Which human activity can negatively impact water sources?
Pollution.
What is the purpose of a dam?
To control water flow and create reservoirs.
True or False: Water can exist in three states: solid, liquid, and gas.
True.
What is the term for the process where plants release water vapor into the atmosphere?
Transpiration.
Fill in the blank: __________ is a measure of how much water is available in a specific area.
Water availability.
What is the primary cause of water pollution?
Human activities.
Multiple Choice: Which of the following is a method of water conservation? A) Drip irrigation B) Flood irrigation C) Deforestation D) Over-fishing
A) Drip irrigation.
