Rivers Flashcards
(52 cards)
What is the definition of a river?
A river is a large natural stream of water that flows across the land.
What are the main components of a river system?
The main components are the source, tributaries, main river, and mouth.
True or False: Rivers only flow in one direction.
True
Fill in the blank: The point where a river meets the sea is called the ___.
mouth
What is the term for smaller streams that feed into a larger river?
Tributaries
What is the source of a river?
The source is the starting point of the river.
What landform is created by sediment deposited at the mouth of a river?
Delta
True or False: Rivers can change their course over time.
True
What is erosion in the context of rivers?
Erosion is the process by which soil and rock are removed from the Earth’s surface by water flow.
What is the term for the area of land that drains into a river?
Watershed
Fill in the blank: The ___ is the longest section of a river.
main river
What is deposition in river contexts?
Deposition is the process where sediments are laid down or dropped by the river.
What is the name of the landform created by erosion on the outer bend of a river?
Cliff
What is a meander?
A meander is a curve or bend in a river.
True or False: All rivers are freshwater.
False
What is the difference between a river and a stream?
A stream is smaller than a river.
What is a floodplain?
A floodplain is an area of land adjacent to a river that is prone to flooding.
What natural disaster can occur when a river overflows its banks?
Flood
Fill in the blank: The ___ of a river is where it flows fastest.
middle
What is river discharge?
River discharge is the volume of water flowing through a river at a given time.
What is a river’s watershed also known as?
Catchment area
True or False: The speed of a river can affect its ability to erode rock.
True
What is the process called when rivers shape the landscape?
Fluvial processes
What is a confluence?
A confluence is where two rivers meet.