Question | Answer |
a place that gets less then 10" of water per year | desert |
an isolated location where water is found in a desert | oasis |
name a desert in north Africa | Sahara |
the Sahara is about the same size as what country | U.S.A |
what semiarid arid grassland is located along the Sahara desert southern edge | Sahel |
describe the climate of the Sahara desert | hot and dry |
I am land located in the Sahel that is not well suited for growing crops | marginal land |
we are groups of herders who move our animals from place to place in search of pasture and water | pastoral nomads |
the process by which land becomes more and more dry until it turns into a desert | desertification |
what may cause desertification | -climate change
-human activities
-both of the above |
name the three main land forms found in the Sahara | -regs
-ergs
-hammadas |
I am great seas of sand with tall sand dunes | ergs |
I am gravel covered plains | regs |
I am high rock covered flat lands that are really tall | hammadas |
name the two main rivers found in the Sahara | -nile
-niger |
I can turn into raging rivers after rain then dry quickly | wadis |
true or false: temperatures are always hot in the desert | false: they can very greatly-can become freezing at night |
describe that desert climate (rst) | -temperatures vary greatly
-can have severe sand storms
-rain unpredictable |
what fraction of the people who live in the desert are pastoral nomads | 1/3 |
we are a group of wondering nomads who live in groups in less then 100 people and wear long clothes to protect ourselves from the sun | Tuaregs |
when Tuaregs meet at an oasis what do they trade | meat, cheese, milk, veggies, fruit, and water |
how do the Tuaregs carry their belongings | one camel or 2 donkeys |
what has created new oasis and made life easier | technology (trucks and planes) |
how many large oasis are found in the Sahara | about 90 |
name an important fruit that is very useful (food, building, fuel, and rope) | date palm |
describe the size of most oasis settlements | small with less then 2000 people |
name the major economic activities in the oasis | trading and farming |
what cash crops do farmers in the oasis grows | wheat, barley, veggies |
when does the farmers do his work | during the hottest part of the day |
what are the homes in the oasis constructed of | brick |
name 2 problems facing people that live in the Sahara | -water shortages
-how to transport water |
name the order that desertification happens (5) | -drought
-veggies die
-nothing to hold the soil
-the wind blows it away
-it leaves a desert |
i am a change in a way of life to suit new conditions | adaptation |
I am the practice of clearing an area for farming and then moving on to another area when the first had lost its fertility | shifting agriculture |
name 3 human causes of desertification | -planting of cash crops
-herds overgraze
-deforestation |