Rivers

1.

1 point

Rivers are usually divided into how many courses?

Three

Two

Four

2.

1 point

V-shaped valleys, interlocking spurs and waterfalls are usually found in which part of a river?

Starter course

Lower-middle course

Upper course

Lower course

Upper-middle course

3.

1 point

How much of the world's water is stored in seas and oceans?

97%

59%

2%

4.

1 point

When the force of the water being carried by the river wears away the bed and banks this is called:

percolation

abrasion

attrition

hydraulic action

solution or corrosion.

5.

1 point

What is formed where a river in its upper course winds around hard rock forming a series of tapering ridges?

Waterfalls

A V-shaped valley

Interlocking spurs

6.

1 point

Which of the following is NOT a type of river erosion?

Solution or corrosion

Attrition

Hydraulic action

Abrasion

Percolation

7.

1 point

Which of these is NOT a type of river delta?

Arcuate

Cuspate

Mississippi

Bird's foot

8.

1 point

The mouth of a river is:

the start point of any river.

where the fish get fed.

the end point of any river.

9.

1 point

When rocks and pebbles being carried by the river knock together and are broken down to form smaller particles this is called:

Percolation

Corrosion

Hydraulic action

Attrition

Abrasion

10.

1 point

The watershed is:

a building made to house water.

the ridge of land surrounding a river separating two or more drainage basins.

a shed which is built on stilts above a river.

11.

1 point

Which of the following statements about deposition is NOT correct?

Deposition may occur when the volume of water decreases.

Deposition is more common at the source of the river.

Deposition may occur when the river is shallow.

Deposition occurs when a river loses energy.

12.

1 point

The confluence is:

the downward movement of water in the soil.

a point at which two rivers meet.

a conversation you have when standing in a river.

13.

1 point

The drainage basin is the:

area of land drained by a river.

the term also called a sink.

the ridge of high land which surrounds a river.

14.

1 point

A wide river channel is formed:

at the mouth of a river.

at the source of a river.

15.

1 point

What features are created when a river erodes laterally creating large sweeping bends in the river channel?

Oxbow lakes

Meanders

Floodplains

Levees

16.

1 point

The hydrological cycle is also known as:

the bicycle

the carbon cycle

the water cycle

17.

1 point

Which one of these features do you associate with the lower course of a river?

Oxbow lake

Delta

Meander

18.

1 point

When a river runs over alternating layers of hard and soft rock what is created?

Waterfall

Oxbow lake

V-shaped valley

19.

1 point

When alluvium (silt) builds up on the banks of a river, what are formed?

Gorges

Levees

Rapids

Deltas

Floodplains

20.

1 point

Erosion is vertical or downwards:

at the mouth of a river.

at the source of a river.