Learning about 80 1 a Read the two quotes on page 78 and desribe the differene of opinion the two people have about deserts. b Examine the date when eah statement was made. Why do you think these views are so different? 2 In your own words, desribe what a desert is. 3 Desribe the main harateristis of deserts. 4 Study [3.2]. Desribe the spatial distribution of the largest deserts in the world. 5 Using [3.3] indiate whether there are any hot deserts loated near the: a Equator b Tropi of Capriorn Tropi of Caner.
6 List and disuss the features of the four kinds of deserts. 7 Explain why the four types of deserts have different spatial distributions. Learning to 80 1 Make a list of ten words you would use to desribe a desert. Compare your list with those of other lass members. Compile a list of all the different words and display this in your lassroom. 2 Use [3.3] and an atlas to state the latitude and longitude of the following deserts: a Sahara Desert b Arabian Desert Thar Desert d Mojave Desert (pronouned mo-harv-ee) e Simpson Desert f Kalahari Desert. 3 Use table [3.2] to onstrut a bar graph showing the size of the five largest deserts in the world.
Learning about 84 1 In your own words, define atmospheri, hydrologi, geomorphi and bioti proesses. 2 Desribe why it is diffiult to separate atmospheri, hydrologi, geomorphi and bioti proesses. 3 Explain how the following ontribute to the formation of hot deserts. a Global irulation patterns b Cold oean urrents The rainshadow effet 4 Draw a diagram to explain the rainshadow effet.
5 In your own words, explain why onditions in the desert are harsh. 6 Desribe why hot deserts are ool at night. 7 What an you onlude about the daily temperature range in hot deserts? 8 Desribe the important role that weather and limate play in influening deserts. Learning to 84 1 Copy the following words and phrases into the spae provided, unsrambling them as you do. Write a sentene using eah term. a fintailroitn b nsihadrowa eewlard d lod oaen urertsn 2 Over a period of time, observe the loud over at night in your area. Also reord the daily temperature range. Create a four-olumn table to show these over the number of days you have reorded the data. What onlusions an you draw about the temperature range on loudy nights?
3 Use the data in table [3.5] to onstrut a limati graph for Wadi Halfa. 4 Use table [3.5] and your graph to answer the following questions for Wadi Halfa. a What is the average annual rainfall? b Desribe the distribution of rainfall. What is the highest average temperature? d What is the lowest average temperature? e Caluate the annual temperature range.
Learning about 89 1 Explain the role that hydrologi proesses play in deserts. 2 Explain the meaning of the following words. a Erosion b Deposition Water erosion d Wind erosion 3 Define hemial weathering. 4 Define frost weathering. 5 Explain why water travels fast aross the surfae of a desert. 6 Are all deserts sandy? Explain. 7 List and desribe the five main types of deserts when lassified aording to their ground material.
Learning to 89 1 As a lass exerise, see how water erosion operates in arid lands by either using a sand tray, or a bare path of dirt, and running water aross the surfae. Observe how the surfae hanges and what features are formed as a result. How do your observations ompare with the desert landform features formed by running water? Reord your observations. Working in groups, design a series of artoons that explain hemial weathering, frost weathering, erosion and deposition. Observations
Cartoons
Learning about 92 1 Explain the meaning of the following words in relation to desert vegetation: a Xerophyti b Drought resisters Drought esapers 2 Use [3.22] to explain how plant root systems help plants find water and survive. 3 Draw a sketh of two of the plants found in the Sonoran Desert. 4 Desribe six ways animals an adapt to the harsh desert environment. 5 a Desribe the benefit of amels having fat toes. b Does a amel sweat as muh as a human? How is this a benefit to surviving in the desert?
Desribe the role of the speial blood vessels at the base of a amel s brain. d Explain how the ability to store body fat and the ability to ope with salty water help amels to survive in the desert. e Explain why the amel is known as the ship of the desert. Learning about 95 1 Explain why so few people live in deserts. 2 Desribe the different uses of deserts by humans. 3 Desribe the differene between hunters, gatherers and nomads.
4 Disuss some of the major minerals found in deserts. Give examples of ountries where these our in large quantities. 5 What attrations are there for tourists in deserts? 6 Explain how deserts are used for sientifi researh. Give examples. 7 Explain the dangers assoiated with nulear testing in deserts. 8 Explain how the disovery of oil and natural gas in some ountries ould reate global tension.
Learning about 98 1 Explain why water supply is an important management issue in hot deserts. Give examples to illustrate your points. 2 What is salinity? How an it be managed? 3 a Explain the meaning of desertifiation. b List the auses of desertifiation. List the major effets of desertifiation. 4 Explain how tourism an have both positive and negative impats on the desert environment.
Learning about 99 1 How many Australian desert mammals are endangered or extint? 2 Explain why we should onserve Australia s deserts. 3 Write half a page expressing your opinion on the future of the world s hot desert lands.
Learning to 99 1 Study the artoon [3.37]: a What views are being expressed? b What is your view? Why? As a lass, or in groups, disuss the issues raised in the artoon. 2 As a lass, on the board build up a mind map using the topi: the future of hot deserts.
Learning about 105 1 Who are the Bedouin and where did they live originally? 2 The Bedouin are known as the Bedu in Arabi. Explain what this means in English. 3 Desribe how environmental onditions influened the traditional agriultural praties of the Bedouin. 4 a Desribe the lifestyle of the traditional Bedouin. b Disuss how the Bedouin s traditional life was influened by the environment in whih they lived. 5 a When did the reloation of the Bedouin ommunity take plae? b Desribe the atual reloation projet. Disuss the impats of the reloation projet on the Bedouin ommunity.
6 Disuss the impat desertifiation has had on the Bedouin ommunity. 7 Disuss the impat that tourism has had on the Bedouin ommunity. 8 Explain the dramati ultural hanges the Bedouin have experiened. 9 Desribe the role that government play in reloating the Bedouin. 10 What are the unreognised villages? 11 Desribe the positive influene the government has had on the Bedouin s lifestyle. 12 What is Oxfam? What role has Oxfam played in assisting the Bedouin ommunity?
13 Explain how loals have responded to the hanges their ommunity has faed. Skills ativities 106 1 What is an easting? 2 What is a northing? 3 What is an area referene? 4 What is a grid referene? 5 Refer to [3.46]. State the area referene for eah of the following: C D E F Refer to [3.47]. State the grid referene for eah of the following: 1 2 line eah B C D E F G H 6