water cycle
This drives the water cycle
What is the sun
Where most of earth's water is found
What is oceans?
What term do we use for safe drinking water
What is potability
The amount of the water on earth that is fresh
What is 3%
% of earth's water that is salty/ocean
What is 97%
describes water that goes from a liquid to a gas (water vapor)
What is evaporation
Why can't we use ocean water for farming, cooking, drinking, etc?
It is too salty. It is expensive to distill water.
type of pollution that you know the source of
What is point source
The land around a river or stream that drains into it.
What is a watershed or river basin is acceptable also
amount of sediment in the water
What is turbidity?
rain, sleet, snow, and hail are examples of this form of water
What is precipitation
Where the largest amount of freshwater is found on Earth
Glaciers and icecaps
type of pollution you do not know the source of
What is non-point source
the source of most of our drinking water from
What is ground water
this is how acidic or basic a substance is
What is pH?
When water goes down into the ground after a rain
What is infiltration?
Where less than 1% of freshwater is found on Earth
rivers, lakes, and groundwater
examples of this are runoff from homes, pesticides, oil, fertilizer, trash
What is non-point source pollution
a porous, water-saturated layer of sand, gravel, or bedrock through which groundwater flows
What is an aquifer
bodies of water along our coasts that are formed when freshwater from rivers flows into and mixes with saltwater from the ocean.
What is an estuary
where most evaporation and precipitation happen
What is the ocean?
Where do we tap into our groundwater?
What are aquifers?
Water is called this because it dissolves more "stuff" than any other liquid
What is universal solvent
Most of the earth's freshwater is not actually usable
What is 76% frozen in glaciers
What two nutrients can lead to an algal bloom? or Eutrophication
What are nitrates and phosphates