Nile River: Source to Mouth

Which of these is the best definition of a river basin?

• the sources of a river and its tributaries

• the delta created by a river at its mouth

• the area drained by a river and its tributaries

• the length of a river from its source to its mouth

What is the source of the Blue Nile?

• al-Sudd in South Sudan

• Lake Nasser in Egypt

• Lake Tana in Ethiopia

• Murchison Falls in Uganda

Which of these aspects of life in Egypt depends most on the water stored in Lake Nasser?

• Annual Flooding

• Sewage Treatment

• Population Growth

• Year Round Irrigation

"This area has the richest farmland in all of Africa. Since ancient times, much of Egypt’s food has been grown here."

• the al-Sudd

• the Nile Delta

• the land around Lake Nasser

• the land where the two Niles meet

Which of these created barriers to river travel on the Nile in ancient times?

• cataracts

• dams

• floodplains

• wadis

What was Egypt’s main reason for building the Aswan High Dam?

• to enable leisure activities on the river

• to flood the river's barriers to shipping

• to stop sewage from flowing into the river

• to develop the river's hydroelectric potential

All of the following are benefits provided by hydroelectric dams except

• habitat loss

• clean energy.

• flood control

• irrigation water.

Which factors have put pressure on Cairo’s water supply?

• environmental conservation efforts

• population growth and pollution

• political corruption and bribery

• high costs of dam repairs

Identify which response pairs each term to the correct point on the diagram.

• A/runoff, B/infiltration, C/precipitation, D/condensation, E/evaporation

• A/evaporation, B/precipitation, C/runoff, D/condensation, E/infiltration

• A/condensation, B/runoff, C/evaporation, D/infiltration, E/precipitation

• A/evaporation, B/condensation, C/precipitation, D/infiltration, E/runoff

Which part of the water cycle directly leads to the formation of rivers?

• evaporation

• runoff

• infiltration

• condensation