Date _____________________ pg _____
The Structure of the Hydrosphere – Freshwater
The Structure of the Hydrosphere
 Oceans: about _______ of water found here

Freshwater: about _______ of water found here
Freshwater Distribution:
o ___________: 1.762%
o Groundwater: _________
o Surface Fresh Water: __________
o __________ and __________: 0.002%
Understanding Where Your Water is Located: Oceans and Ice
 What bodies of water hold the largest amount of water?
_____________ - the largest bodies of water on Earth (contain salt water only)

What features house water as ice?
o Icebergs: a large piece of _____________ ice floating in ________ waters
o Glaciers: any ____________ __________ of ice that moves slowly over land
o _________________ snow areas also “house” water as ice
Fresh Water Locations: Surface Water
What is the difference between a watershed and a river basin?
 Both terms describe _______________ that drains into a river, stream or lake

River Basin: the term used to describe an area that drains into a large ______________________

___________________: the term used to describe an area that drains into a _______________
river or stream
Fresh Water Locations: River Basins and Watersheds
 Larger river basins are made up of many _____________________ watersheds
o Example: The Cape Fear and the Neuse River Basins are made of many
_______________ watersheds

The water in a watershed runs to the__________ point—________________________________.
Fresh Water Locations: Rivers, Streams, and Lakes
 What is a river?
o A large ___________ along which water is continually flowing down a slope—made of
________ streams that come together
 What is a stream?
o A small __________ along which water is continually flowing down a slope—made of
small ___________
 What is a lake?
o A body of water of considerable size ____________ on a body of land
o Fed by ____________, ____________, ____________, or ____________
Fresh Water Locations: Groundwater
 What is groundwater?
o The water found in _____________ and ______________ in sand, gravel and rocks below
the earth’s surface
 What is an aquifer?
o A _____________ rock layer underground that is a reservoir for water
Other Freshwater Sources
 What is a wetland?
o An area where the ____________ _____________ is at, near, or above the land surface
long enough during the year to support adapted plant growth

What are the types of wetlands?
Swamps, ___________, and marshes:
o Swamps: a wetland dominated by ____________________
o Bogs: a wetland dominated by ____________ _____________
o Marshes: a wetland dominated by _____________________
Source of
Water
ice caps and
glaciers
groundwater
rivers and
streams
lakes, swamps,
and marshes
Percent of
Freshwater
Percent of
Total Water