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WorksheetsChapter 20 Quiz
Total questions: 20
Worksheet time: 10mins
Where do most people of the Sahara live?
in the mountain highlands
near a desert oasis
along the many riverbanks
in large cities
Along the southern edge of the major desert in Africa is a semiarid grassland called
the Great Plains.
the Sahara.
the Sahel
the Southern Oasis
Drivers in the challenging Budapest-Bamako rally have to deal with driving their vehicles
over shifting sand dunes.
across dry riverbeds.
through sandstorms and scorching heat.
all answers are correct
As the world's largest desert, the Sahara is about as same size as
Africa.
Rhode Island.
France.
the United States.
Which of the following statements about the Sahara is true?
The region had a much wetter climate thousands of years ago.
Over time, the desert is slowly expanding.
Trade winds remove moisture from the ground, keeping the region dry.
all answers are correct
Pastoral nomads have adapted to life in the Sahel by
building their communities near desert oases.
intensively cultivating plants that need little rainfall.
wandering in search of water and food for their animals.
all of the answers are correct
The rivers that flow through the Sahara are
the Ganges and the Godavari.
the Nile and the Niger.
the Amazon and the Orinoco.
the Volga and the Dnieper.
Ergs, regs, and hamadas are
the native peoples of the Sahara.
the major food sources for people living in the Sahara.
the most common types of plant life in the Sahara.
the main types of landforms in the Sahara.
What does the old saying, "Nighttime is the winter of the desert" mean?
Temperatures at night drop below freezing.
There are three months of bitter cold weather each year.
The sun does not rise for a period of weeks in the winter.
Plants stop blooming and go dormant at night.
How have desert plants adapted to unpredictable rainfall?
They sprout quickly after a rain and then set seed and die.
They send roots deep into the ground to find water.
They have small waxy leaves that lose little moisture.
All of the answers are correct
How do the Tuareg protect themselves from the burning sun?
They carry umbrellas to shield their faces from the sun.
They cover their skin with a plant-based sun block lotion.
They wear long, loose clothing and cover their heads and faces.
They are nocturnal and never go outside during the day.
How have the Tuareg adapted to life in the southern Sahara and Sahel?
They settle along the coastline where seafood is plentiful.
They raise animals and live a nomadic lifestyle.
They grow a variety of crops at desert oases.
They live in cities where jobs are easier to find.
How are oases formed?
Springs bubble up to the surface from streams beneath the ground.
In low spots, the land dips down to meet an underground stream.
People create wells using drilling machines or digging by hand.
All of the answers are correct
The most important and most common oasis plant is the
pine tree.
coconut.
date palm.
baobab tree.
Why are most oasis settlements small?
Laws restrict the growth of these communities.
Their size is limited by their water supply.
Families are not allowed to have more than one child.
The majority of the population prefers to live in the desert.
What problem might a community face if too many palm groves are created in the desert?
Conflicts may arise with nearby nomadic herders over land rights.
Prices may rise when the supply of dates grows too large.
The underground streams that support the oasis may run dry.
All of the answers are correct
How does the system known as shifting agriculture help marginal lands?
It gives worn-out fields a chance to recover.
It brings water to dry farmlands.
It allows livestock to destroy the cover of plants.
All of the answers are correct
What is one way in which humans have contributed to desertification?
Too many people have chosen to cook with coal instead of firewood.
Nomads dramatically decreased the size of their herds.
Farmers planted cash crops that depleted the soil faster.
People planted too many trees in a desert location.
Efforts to combat desertification
can never stop the growth of the Sahara.
will succeed if governments back the efforts.
may or may not be successful.
have dramatically slowed desert growth.
Drought is to desertification as hunger is to
thirst.
overeating.
starvation.
satisfaction
