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lesson 20 geo test
world geo
| 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 |
Created by:
allih
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