Features of a river

Question 1

What is the source of a river?

Answer 1

The place where a river begins, often in mountains or hills.

Question 2

What is the mouth of a river?

Answer 2

The point where a river meets a larger body of water, such as a sea or ocean.

Question 3

True or False: Rivers flow from low elevation to high elevation.

Answer 3

False

Question 4

Fill in the blank: The area of land drained by a river and its tributaries is known as a ______.

Answer 4

watershed

Question 5

What are tributaries?

Answer 5

Smaller rivers or streams that flow into a larger river.

Question 6

What is a river basin?

Answer 6

The land area that collects water for a river and its tributaries.

Question 7

Define ‘meander’ in relation to rivers.

Answer 7

A curve or bend in a river.

Question 8

What process describes the wearing away of the river bank?

Answer 8

Erosion

Question 9

True or False: The velocity of a river is faster at the bends than in straight sections.

Answer 9

False

Question 10

What is deposition in the context of rivers?

Answer 10

The process by which sediment is dropped off in a new location.

Question 11

Which part of a river typically has the fastest flow?

Answer 11

The middle section.

Question 12

What is an oxbow lake?

Answer 12

A crescent-shaped lake formed when a meander is cut off from a river.

Question 13

Fill in the blank: The area of land that is flooded when a river overflows its banks is called a ______.

Answer 13

floodplain

Question 14

What is a delta?

Answer 14

A landform created at the mouth of a river where it deposits sediment.

Question 15

True or False: Rivers can change their course over time.

Answer 15

True

Question 16

What term describes the natural boundary between two river basins?

Answer 16

Watershed divide

Question 17

What is the term for the land that is permanently underwater in a river?

Answer 17

Riverbed

Question 18

What is the significance of a river’s gradient?

Answer 18

It determines the speed of the river’s flow.

Question 19

What are the main factors that affect river flow?

Answer 19

Gradient, volume of water, and channel shape.

Question 20

Fill in the blank: The point where a tributary joins a main river is called a ______.

Answer 20

confluence

Question 21

What is the term for the triangular area of land at the mouth of a river?

Answer 21

Delta

Question 22

What is the term for the upper part of a river where it flows quickly over rocks?

Answer 22

Rapids

Question 23

True or False: All rivers flow into oceans.

Answer 23

False

Question 24

What is the role of vegetation on riverbanks?

Answer 24

It helps prevent erosion and stabilizes the soil.

Question 25

What is a watershed?

Answer 25

An area of land that drains into a particular river or lake.

Question 26

What does it mean for a river to be 'seasonal'?

Answer 26

It flows only during certain times of the year, often due to rainfall.

Question 27

What is the term for the slow moving water in the outer part of a meander?

Answer 27

Point bar

Question 28

Fill in the blank: The process of water vapor turning into liquid water is called ______.

Answer 28

condensation

Question 29

What is the primary source of a river's water?

Answer 29

Precipitation and melting snow.

Question 30

What is the difference between a river and a stream?

Answer 30

A river is larger and flows more water than a stream.

Question 31

What is the main purpose of dams on rivers?

Answer 31

To control water flow and provide hydroelectric power.