Social Studies Grade 7 - Chapter 9

What is a delta?

• A landform at the mouth of a river

• A type of airplane

• A mathematical symbol

• A type of animal

Define wadi.

• Wadi is a term that describes the years before the Suez Canal was built.

• Wadi is a term used to describe a dry riverbed or valley that temporarily fills with water during periods of heavy rain.

• Wadi is a term for a small boat used in the Mediterranean Sea.

• Wadi is a type of ancient script used in Egyptian hieroglyphs.

What is an erg?

• a riverbank

• the desert

• a large area of sand

• a popular singer in North Africa

Who is a nomad?

• A person who moves from place to place without a permanent home

• A person who lives in a city

• A person who works in an office

• A person who stays in one place all their life

What are phosphates used for?

• Textile Dyes

• Cooking spices

• Building materials

• Fertilizers

What is an aquifer?

• a well

• A type of cloud formation

• Water in underground rocks

• A type of ocean current

The world’s longest river is:

• Amazon River

• Nile River

• Yangtze River

• Mississippi River

Name one of the world’s largest plains located in East Africa.

• Serengeti Plain

• Sahara Desert

• Amazon Basin

• Great Plains

List the five countries in North Africa mentioned in the notes.

• Morocco, Algeria, Tunisia, Libya, Sudan

• Egypt, Sudan, Libya, Tunisia, Algeria

• Egypt, Libya, Tunisia, Algeria, Morocco

• Libya, Egypt, Morocco, Algeria, Tunisia

The world’s largest hot desert is

• Gobi Desert

• Sahara Desert

• Kalahari Desert

• Arabian Desert