ECS Quiz 6 - Rivers

The place where a river starts is called:

• delta

• source

• riverbed

The bottom of a river is called:

• riverbanks

• riverbed

• source

• floodplain

The end of a river is called:

• mouth

• source

• delta

What is formed when sediment is deposited at the mouth of a river?

• floodplain

• delta

• riverbed

The sides of a river are called:

• riverbed

• riverbanks

• mouth

Erosion helps to shape a river by:

• river currents wearing away soil from the riverbanks.

• forming sand dunes.

• causing a hurricane.

• creating mountains.

A delta is formed when _____________________ carry sediment to the mouth of a river.

• glaciers

• river currents

• animals

Which affects how moving water erodes and deposits sediment?

• Amount of water

• Speed of water

• Type of sediment

• All of the above

How much of the Earth is covered by water?

• 10%

• 25%

• 70%

• 100%

Water from a river will flow:

• uphill toward the top of a mountain

• from higher land to lower land

• directly towards a volcano.