Groundwater
A lack of precipitation for a long period of time.
What is a drought?
The percentage of the Earth's water that is fresh.
What is 3%?
The constant circulation of water from the atmosphere to the land and oceans and back again.
What is the hydrologic (or water) cycle?
The act of adding water to crops.
What is irrigation?
The chemical formula for water.
What is H2O?
The movement of water down through the Earth's surface.
What is infiltration?
Water-saturated lands where aquatic plants and animals live.
What are wetlands?
The source of energy for the hydrologic cycle.
What is the Sun?
A place where water is treated to make it safe to drink.
What is a water treatment plant?
The temperature at which water boils.
What is 100*C or 212*F?
The percentage of the Earth's surface covered with water.
What is 80%?
Most of the Earth's freshwater is locked away in these.
What are glaciers and ice caps?
The process by which vapor becomes a liquid.
What is condensation?
A pit, hole, or shaft sunk into the Earth to tap an underground source of water.
What is a well?
The temperature at which water freezes.
What is 0*C or 32*F?
Two possible sources of groundwater contamination.
What are landfills and septic tanks?
Also acceptable answers: feed lots, human waste, animal waste, fertilizers, and abandoned wells.
The name for a smaller stream that flows into a larger stream.
What is a tributary?
The release of water vapor by plants.
What is transpiration?
A tank used to hold waste from homes when a sewer line is not available.
What is a septic tank?
The three largest oceans.
What are the Pacific, Atlantic, and Indian?
The capacity of porous materials, such as sand and gravel, to transmit water.
What is permeability?
The five Great Lakes.
What are Lakes Erie, Huron, Michigan, Ontario, and Superior?
The four most common types of precipitation.
What are rain, sleet, snow, and hail?
What is flush the toilet?
The percentage of the human body composed of water.
What is 66%?