Vocabulary
Vocabulary
Vocabulary
Vocabulary
Vocabulary
100

river

a body of moving or flowing water that follows a set path

100

flood

what happens when a river overflows its banks

100

mouth

the place where a river empties into a sea or other large body of water

100

wasteland

land that is not useful to people

100

current

the ongoing movement of water, such as in a river

200

flow

to move; water moves (or flows) downstream in a river

200

dam

a structure that blocks a flowing river and allows water to fill in behind it

200

orchard

an area where a large number of fruit trees have been planted

200

swamp

a flat wooded area that is often flooded

200

riverbank

the land at the edge of a river

300
silt

tiny pieces of soil or earth carried by the water in a river

300

reservoir

a lake created by people for the purpose of storing water

300

drainage basin

the area drained by a main river and other connected rivers

300

sandbar

a buildup of sand formed by the movement of flowing water

300

river pilot

a person whose job is to guide boats safely on a river

400

source

a supply where an item such as water can be obtained

400

source

the starting point or beginning of a river’s water

400

pasture

land set aside for cows, horses, or other animals to feed off the natural grasses

400

tributary

a stream or smaller river that flows into a larger river

400

Northern Hemisphere

the half of the earth located north of the equator

500

irrigation

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

500

civilization

a society, or group of people, with similar religious beliefs, customs, language, and form of government

500

vineyard

an area where grapes are grown on plants called vines

500

thermometer

an object that measures the temperature of certain things, such as air or water

500

delta

land created by silt deposits at the mouth of a river