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Definitions
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Fresh Water
Odds & Ends
More definitions
100
Rain, sleet, hail, and snow are all types of:
Preciptitation
100
About what percentage of the Earth is covered with water?
75%
100
Almost all of Earth's fresh water starts as _______________ and _____________
Rain and snow
100
What fraction represents how much of Earth's fresh water is frozen?
7/10
100
Reservoirs are lakes that form...where?
Behind dams
200
Water changes from its liquid form into water vapor
What is Evaporation
200
What percentage of an iceberg is above the water?
10%
200
Rain or melted snow that soaks in the ground is called:
Groundwater
200
What "current" carries warm water from the Caribbean to the North Atlantic Ocean?
Gulf Stream
200
What is it called when scientists measure how much salt is in water?
Salinity
300
Ice becomes water vapor without melting first
What is sublimation
300
More than half the people in the United States live within how many miles of the ocean?
About 75 miles
300
Surface waters include these 3 bodies of water:
Rivers, lakes, and streams
300
Particles of water vapor are constantly moving into each other. This causes:
Air pressure
300
All the waters of Earth are called:
The Hydrosphere
400
Water vapor changes into liquid
What is condensation
400
Which ocean is more than 11,000 meters deep?
The Pacific Ocean
400
Most rivers eventually flow into _____________
The ocean
400
When ocean water freezes, the ice is not salty...why not?
The salt is pushed out of the ice crystals as they form.
400
The layer of rock and soil that holds the groundwater is called:
An Aquifer
500
Define "sleet"
Raindrops that are frozen
500
What percentage of Earth's water is fresh water?
About 3%
500
The Great Lakes are fresh water. Name the 5 Great Lakes:
Michigan, Huron, Erie, Ontario, Superior
500
The area from which water drains into a river is called the river's ______________.
Watershed
500
The top level of groundwater in an aquifer is called the:
Water table