Science (4th) Ch. 6 Lesson 4 - Water (vocab & notes) Flashcards
Water that flows in the cracks and spaces of underground rock.
groundwater
An area of land where water flows downhill to a common stream, lake or river.
watershed
A storage for holding and managing freshwater.
reservoir
A hole drilled or dug below the ground to reach groundwater
well
Water that flows over the surface of the land but does not evaporate or soak into the ground.
runoff
The bringing of water to soil through pipes or ditches.
irrigation
What can be dug to obtain groundwater which is freshwater?
well
A well is dug to obtain groundwater which is _______________.
freshwater
A _________ is a storage area for holding freshwater.
reservoir
Some reservoirs are natural lakes or ponds with ______________ used to move the water to the cities for use.
pipelines
Freshwater or salt water covers almost three fourths of Earth’s surface.
salt water
What type of water cannot be used to drink or water crops?
salt water
Freshwater is water without much salt. Most streams, _________, __________, and ponds contain freshwater.
lakes
wells
Most of Earth’s freshwater is ________.
solid
_____________ and thick layers of ice on land are freshwater.
Ice caps