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Edit Comment Close By: dare2talk (60 month(s) ago) pls could u let me download this project pls...... Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Welcome to Social-Science Project Work : Welcome to Social-Science Project Work The Life in the Desert : The Life in the Desert Slide 3: Desert is an arid region characteriesed by extremely high or low temperature and has scarce vegetation. It may be too hot or too cold. We have seen that water means life to plants, animals and people. It is difficult for anyone to live in places where there is no water to drink, where there is no grass for their cattle to feed on and where there is no water to help the corps to grow. Slide 4: We will now learn about the places the places in the world where people have learned to cope with extreme harsh temperatures; in some places as hot as fire and as cold as ice. These are the desert areas of the world. These are characterized by low rainfall, scanty vegetation and extreme temperature. Depending on the temperatures then can be hot deserts or cold deserts. The people inhabits these lands whenever little water is available to practice agriculture. Types of Deserts : The Cold Deserts – Ladakh Types of Deserts The Hot Deserts – Sahara The Hot Desert – Sahara : The Hot Desert – Sahara Sahara Desert Covering a large Part of North Africa. It is the world’s largest Desert. It has an area of around 8.54 million. sq. km. Do you recall that India has an area of 3.2 million sq. km? The Sahara Desert touches eleven countries. These are Algeria, Chad, Egypt, Libya, Mali, Mauritania, Niger, Sudan, Tunisia and Western Sahara. Slide 7: Climate The Climate of the Sahara desert is scorching hot and parch day. It has short rainy season. The sky is cloudless and clear. Here the moisture evaporates faster than it accumulates. Days are hot. The temperature during the day may soar as high as 50 degree Centigrade. Slide 8: Flora and Fauna Vegetation in Sahara desert includes cactus, date, palms, and acacia. In some places there are oasis green island with date and palms surrounding them. Camels, hyenas, jackals, foxes, scorpions and many kinds of snakes and lizards are the prominent animals species living there. Slide 9: People The Sahara desert despite its harsh climate has been inhabited by various groups of people, who pursue different activities. Among them are the Bedouins and Tuaregs. These groups are nomadic tribes rearing livestock such as goats, sheep, camels and horses. The oasis in the Sahara and the Nile Valley in Egypt supports settled population. Since water is available, the people grown date palms. The discovery of oil-a product in great demand throughout the world, in Algeria, Libya and Egypt is constantly transforming the Sahara desert. Slide 10: The Cold desert - Ladakh Ladakh is a cold desert lying in the great Himalayas, on the eastern side of Jammu & Kashmir. The Karaka ram Range in the north and the Zanskar mountains in the south enclose it. Several rivers flow through Ladakh, Indus being the most important among them. The rivers from deep valleys and gorges. Several glacier are found in ladak, for example the gangri glacier. Slide 11: Climate The altitude in Ladakh varies from about 3,000 m in kargil to more than 8,000 m in the karaka ram. The Climate is extremely cold and dry. The air in this altitudes so thin that the heat of the sun can be felt intensely. The day temperature in summer are just above 0 degree centigrade. It is freezing night temperature well below 30 degree centigrade . It is freezing night temperature may remain below 40 degree centigrade for most of the time. Slide 12: Flora and fauna Due to the high aridity, the vegetation is sparse. There are scanty patches of grasses and shrubs for animal to graze Groves of willows and poplars are seen in the valleys. During the summers, fruit trees such as apples, apricots and walnuts bloom. Several species of bird are sighted in Ladakh. Robins, redstarts. Tibetan snow cock, raven and birds. The animals of Ladakh are wild goats wild sheep, yak and special kind of dogs. Slide 13: People The people in ladakh are mainly Muslims or Buddhists. In fact several Buddhists monasteries dot the Ladakhi landscape with their traditional ‘gompas’. In the summer season the people are busy cultivating barely, potatoes, peas, beans and turnip. The climate in winter months is so harsh that people keeps themselves engaged in festivals and ceremonies. Leh, the capital of ladakh is well connected both by road and air. Life of peoples is undergoing change due to modernization. But the people of ladakh have over the centuries learned to live in balance and harmony with nature. Desert are an important part of natures great plan. They are there like the dense forests and the deep oceans. Just because they are hot and cold. One should not look upon them us useless part of the earth. ****** : Desert are an important part of natures great plan. They are there like the dense forests and the deep oceans. Just because they are hot and cold. One should not look upon them us useless part of the earth. ****** Exercises : Exercises Answer the following. What are the two types of desert found in the world ? In which continent is the Sahara desert located ? What are the climatic conditions of the Ladakh desert ? What mainly attracts tourists to Ladakh ? What type of clothes the people of Sahara desert wear ? Name the trees that grow in Ladakh ? Exercises Project Prepared by : Project Prepared by Aayush Thakur Kishan Kanjaria Rahul Nagar Class VII ‘B’ School : Kendriya Vidylaya CMM, Jabalpur Slide 17: Thanks You do not have the permission to view this presentation. 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