The three largest oceans
What are the Atlantic, Pacific, and Indian?
What is 3?
The percentage of the earths water that is fresh water
the name for a smaller stream that flows into a larger stream
What is a tributary?
The temp. at which water changes from a liquid to a gas or vice versa
What is 212 degrees Fahrenheit or 100 degrees Celsius?
The source of energy for the hydrologic cycle or water cycle?
The sun
A pit, hole, or shaft sunk into the earth to tap an underground source of water
What is a well?
What is 80%?
The percentage of the earth covered with water
What is irrigation?
The act of adding water to crops
What is 32 degrees Fahrenheit or 0 degrees Celsius?
The temp at which water changes from a solid into a liquid or vise versa
What is the wearing down or washing away of soil and land by the action of water, wind or ice?
Erosion
What are the five Great Lakes?
Lake Huron,Lake Ontario,Lake Michigan,Lake Erie, and Lake Superior
What is flush the toilet?
On average almost 26% of the water used in a home is to do this
A term used to describe the area drains by a river and its tributaries
What is a river basin?
What is about 180 gallons?
The average number of gallons of water treated in the united states for each person every day.
What is drought?
Lack of precipitation for a long period of time.
What is inflitration?
The movement of water down through the earth's surface.
What is 66%?
The percentage of the human body composed of water
This element is added to water to prevent tooth decay
What si fluoride?
The chemical symbol for water
H20
What is water treatment?
A place where water is treated to make it safe to drink.
Water-saturated lands where aquatic plants and animals live
What are wetlands?
What percent of people in the world, do not have access to clean drinking water?
6% (this equals 785 million people)
What is permeability?
The capacity of porous materials, such as sand and gravel, to transmit water
2 possible sources of groundwater contamination.
landfills and septic tanks
What is the process by which a vapor becomes a liquid or a solid?
Condensation.