a body of moving or flowing water that follows a set path
river
what happens when a river overflows its banks
flood
the place where a river empties into a sea or other large body of water
mouth
land that is not useful to people
wasteland
the ongoing movement of water, such as in a river
current
to move; water moves (or flows) downstream in a river
flow
a structure that blocks a flowing river and allows water to fill in behind it
dam
an area where a large number of fruit trees have been planted
orchard
a flat wooded area that is often flooded
swamp
the land at the edge of a river
riverbank
tiny pieces of soil or earth carried by the water in a river
silt
a lake created by people for the purpose of storing water
reservoir
the area drained by a main river and other connected rivers
drainage basin
a buildup of sand formed by the movement of flowing water
sandbar
a person whose job is to guide boats safely on a river
river pilot
a supply where an item such as water can be obtained
source
the starting point or beginning of a river’s water
source
land set aside for cows, horses, or other animals to feed off the natural grasses
pasture
a stream or smaller river that flows into a larger river
tributary
the half of the earth located north of the equator
watering of crops by moving water from a well, a river, or a lake, to a place where it does not rain enough to grow crops
irrigation
a society, or group of people, with similar religious beliefs, customs, language, and form of government
civilization
an area where grapes are grown on plants called vines
vineyard
an object that measures the temperature of certain things, such as air or water
thermometer
land created by silt deposits at the mouth of a river
delta