Water Guided Notes
Name ___________________________
Water on Earth
70% of the Earth is water, but only ________% of water is fresh water.
_____% of water is found in oceans. ___% is frozen in glaciers and ice
caps.
Freshwater that is located underground is _________________________.
Water found in lakes or rivers is ___________________________ and only
makes up ____% of water.
Water Availability
Nearly _______________________ people around the world don't have
access to clean drinking water.
___________________ don't have proper sanitation.
Agriculture accounts for ______% of water use.
Water is Campbell County is sources from the
________________________________________________________.
Where does drinking water come from?
Rivers, Lakes, ____________________, Springs,_________________,
Reservoirs
The _________________ of water causes it to be the universal solvent.
Removing salt from water is ___________________________________.
1) _________________________ - Removing salt from boiling and recooling
2) _______________________________ - use of mechanical force to push
salt water through semi-permeable membrane
Steps of Water Purification
1) Passing through a screen
2) Addition of ____________________ (coagulation) agents.
3) Filtering water through charcoal and sand.
4) Addition of ___________________ to kill microbes.
5) Adding of _________________ to prevent tooth decay.
Other forms of purification
Boiling
Ozone
______ Light
Distillation
Purification pills __________________
Water Contaminants
The ___________________________________________________ is the
government agency who regulates water.
There are over ______ regulated contaminants.
Types of Drinking Water
Tap Water
____________ Water
Filtered Water
___________ Water
Distilled Water