Water on Earth
Terms and Vocabulary
Rivers
Water Sources
Random
100
The percent of the earth's water that is found as saltwater.
What is 97%
100
The sticking together of molecules of the same substance.
What is cohesion?
100
The land area that water flows across or under on its way to a single river
What is a river basin
100
This is Hillsborough's drinking water source.
What is the Eno River?
100
The source of a river/stream, the starting point of a river/stream.
What are headwaters?
200
The percent of the earth's fresh water that is ice.
What is 79%?
200
The tightness across the surface of water.
What is surface tension?
200
A semi-enclosed area where freshwater from a river meets salty water from the sea.
What is an estuary?
200
Man-made lakes are sometimes called this.
What is a reservoir?
200
A rock's age compared to the ages of rocks/fossils around it.
What is a rock's relative age?
300
The three forms of fresh water
What are ice, ground and surface water?
300
The ability for a liquid to climb up the inside of a tube/paper cloth.
What is capillary action?
300
A smaller stream or river that feeds into a larger stream or river.
What is a tributary?
300
Carrboro and Chapel Hill drinking water source
What is the King Creek Resevoir?
300
Something that can be gathered, collected, or tapped into to provide energy.
What is an energy resource?
400
The three forms of ice
What are icebergs, glaciers, and ice caps?
400
A substance that dissolves another substance.
What is a solvent?
400
Porous rock layers underground that serve as reservoirs for water
What is an aquifer?
400
Careful use of a resource to prevent depletion, waste, or loss.
What is conservation?
500
The 5 categories of surface water
What are lakes, living organisms, rivers, water vapor, and soil moisture?
500
The ability to dissolve many, but not all, substances.
What is universal solvency?
500
How many river basins is North Carolina divided into.
What are the 17 river basins?
500
This lake is the main water source for Durham.
What is Lake Michie?
500
The amount of land and water needed to support one's lifestyle using current technology.
What is the meaning of the term ecological footprint?
M
e
n
u