"Australia" PPT courseware for other regions and countries in the Eastern Hemisphere

"Australia" PPT courseware for other regions and countries in the Eastern Hemisphere

learning target

1. Master Australia’s geographical location, scope, terrain, climate and other natural environmental characteristics;

2. Understand Australia’s unique ancient creatures and the reasons for their existence;

3. Learn to use maps and data to analyze the impact of Australia's natural conditions on its agriculture, animal husbandry, industry and mining, and initially establish the concept of economic development based on local conditions.

Australia's location

Hemisphere location: Eastern Hemisphere, Southern Hemisphere

Latitude position: 10ºS～40ºS, tropical and south temperate zones

Sea and land location: It is located between the _____ ocean and the _____ ocean, facing ___zhou across the sea to the north and _____zhou to the south.

Scope: Australia includes the Australian mainland, Tasmania and other surrounding islands, with a total area of ​​7.68 million square kilometers.

discussion time

The Australian continent has been alone in the oceans of the Southern Hemisphere for 65 million years. Think about what impact this has had on the biological evolution of Australia?

The Australian continent has long been isolated in the oceans of the Southern Hemisphere. The natural conditions are relatively simple, biological evolution is slow, and there is a lack of natural enemies. Therefore, many species can be preserved to this day.

Compare

The Australian continent has a moderate latitude and excellent living conditions. There are no large wild carnivores, biological evolution is slow, and there are many ancient creatures;

The Antarctic continent is located in the Antarctic and is surrounded by oceans. However, due to its high latitude, it is severely cold all year round and has a harsh living environment with very few living creatures.

think about it

1. Among the many animals in Australia, which one is the most abundant?

2. Based on your knowledge of Australian species, do you think sheep are native to that area?

No, because Australian species are relatively ancient.

3. Why do sheep reproduce so quickly and become the most abundant species in Australia?

There are excellent conditions suitable for survival.

Read the material to find out whether Australia's temperature conditions are suitable for the development of sheep farming?

There are many breeds of sheep, and different breeds of sheep are adapted to different climatic conditions. Among them, fine-wool sheep like a warm and dry climate; semi-fine-wool sheep are adapted to hot and humid environments and are afraid of dryness; meat sheep and meat-wool sheep like a warm and humid climate with little temperature difference throughout the year.

There are two obvious "dry and wet" seasons with high temperatures throughout the year.

Hot and humid summers, warm and rainy winters

Mild and rainy winters, hot and dry summers

Mild and humid year-round

Using climate maps and written information about Australia, point out why there are so many varieties of sheep in the country?

Australia has a lower latitude, rich heat resources, abundant rainfall in the eastern region, and relatively dry central and western regions. The diversity of climate provides favorable conditions for the development of sheep farming in Australia according to local conditions.

Why is Australia’s sheep farming industry so developed?

Natural conditions

The eastern part of Australia is the Great Dividing Range, with more precipitation on the windward slopes; the central part is the Great Artesian Basin, with abundant groundwater; and the western part is the plateau, with broad and flat terrain. There are no large wild carnivores.

socioeconomic conditions

Australia has developed port transportation, large market demand for wool and mutton, and advanced sheep-raising technology.

Practice in class

1. Regarding the description of Australia’s location, which one is correct ( )

A. Bordered by the Indian Ocean to the east and the Pacific Ocean to the west

B. All located in the Southern and Eastern Hemispheres

C. All located in tropical areas

D. Across the southern and northern hemispheres and the eastern and western hemispheres

2. The rare animals unique to Australia include ( )

A. Zebra, giraffe B. Jaguar, giant anteater

C.Kangaroo, lyrebird D.Penguin, krill

3. Regarding the position of Australia, the correct statement is ( )

A. The eastern part is the Great Dividing Range that runs from north to south. The Murray River originates from the east side of the Great Dividing Range.

B. It is the most populous country in Oceania and it is also a vast and densely populated country.

C. The west is a low plateau, accounting for 1/3 of the country’s area

D. There is a large artesian basin in the middle, which provides abundant water resources for the development of sheep farming.

Population distribution and environment

The southeast coast is densely populated

The climate is affected by warm and humid air currents from the ocean, making it warm and humid.

Transportation Duoliang Port on the southeast coast has convenient external transportation.

History and Economy British immigrants were the first to arrive and developed early.

Other areas are sparsely populated

The inland and western regions have an arid climate and are mostly deserts and grasslands.

The northeastern coast is hot and rainy, with primitive tropical rainforests and undeveloped areas.

Practice in class

1. Australia’s famous export commodities include ( )

A. Wool, wheat, oil, natural gas

B. Wool, rice, iron, gold

C. Wool, wheat, coal, iron ore

D. Wool, corn, copper, silver

2. The favorable conditions for developing sheep farming in Australia are ( )

①The grassland is vast

②Suitable climate conditions

③With a large population, there is a large demand for wool and mutton.

④There are no large carnivorous beasts

A.①②③ B.②③④ C.①②④ D.①③④

3. Which statement about Australia is wrong ( )

A. Australia is the only country in the world that occupies a single continent

B. Australia is known as "the country riding on the back of a sheep" and "the country sitting on the mine cart"

C. There are many artesian wells in the plains of central Australia, which are convenient for livestock drinking and irrigating farmland.

D. Australia is an important wool producer and wheat and wool exporter in the world.

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"Australia" PPT download:

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