Using [3.3] indicate whether there are any hot deserts located near the: a

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1 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.

2 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.

3 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.

4 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?

5 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.

6 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.

7 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

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9 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?

10 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.

11 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.

12 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.

13 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.

14 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.

15 Learning about 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.

16 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?

17 13 Explain how loals have responded to the hanges their ommunity has faed. Skills ativities 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