Relief and minerals of Africa

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1. The relief and minerals of South America 1. What processes form the relief of the east of the continent? To answer this question, you need to compare two maps – a map of the structure of the earth’s crust and a map of the modern relief. Look at these maps and compare the structure of the earth’s crust in the east and […]...
2. Geographical position of Australia. The history of the discovery. Relief and minerals 1. Tell us about the main stages of the discovery of Australia. Here you need to talk about the research of the Dutch traveler Abel Tasman and the English navigator James Cook. At different times they discovered different parts of the coast of Australia. It was proved that Australia is a separate continent entirely in […]...
3. The minerals of Africa The occurrence of minerals is associated with the geological structure of the continent. On the shields, where the crystalline rocks of the foundation of the platform come to the surface, and deposits of ore minerals are found in the folding belts of different ages. The so-called “copper belt”, which extends through all of East Africa […]...
4. Relief and minerals of North America 1. Explain the location of large relief forms on the mainland. Why are the Cordilleras located in the west of the mainland? Map the physical map of North America with a map of the structure of the earth’s crust. The North American platform is expressed in relief by the Central and Great Plains, and the […]...
5. Minerals of South America The wealth and diversity of minerals in South America are due to the structure of the earth’s crust. Their origin and location is associated with tectonic structures, the activities of the internal and external forces of the Earth. In the folded areas and shields of the ancient platforms, mainly find ore minerals of igneous origin. […]...
6. The structure of the earth’s crust of Africa The relief depends on the structure of the earth’s crust, which was formed for a long time. Under the influence of internal and external processes, the main tectonic structures of Africa emerged and deposits of various minerals were formed to the origin. Covered 2-3 billion years ago, Africa’s high mountain systems under the influence of […]...
7. Relief of Africa The structure of the earth’s crust of the continent determines its relief. Considering the physical map of Africa, we can conclude that the continent consists of elevated plains. Lowlands and high mountains are few. Lowlands are located mainly along the coasts of the seas and oceans. The eastern part of Africa occupies a rather high […]...
8. Relation between the forms of the Earth relief and the structure of the lithosphere The lithosphere is the hard shell of the Earth, consisting of the earth’s crust and the upper layer of the mantle. Forty years ago, a scientific theory of lithospheric plates arose. According to this theory, the lithosphere is broken by giant cracks into separate blocks – lithospheric plates. The boundaries of the plates pass along […]...
9. The coastline of Africa The coast of Africa is poorly dissected, there are almost no convenient natural bays for porting. This is due to the peculiarities of the formation of the continent. Near the coast of Africa there are few islands. The largest of these is Madagascar in the Indian Ocean. The island has a continental origin. It arose […]...
10. Forms of relief of the earth’s surface and their formation It is difficult to imagine that in comparison with the real dimensions of the Earth on this model – a globe with a diameter of 1 m – the dimensions of the highest mountain systems and the deepest depressions would not exceed 1 mm. And the ego with the fact that the real maximum elevation […]...
11. General information about Africa The area is 30.3 million km2. Population over 890 million people The highest point above sea level is Kilimanjaro. The lowest point from sea level is the Assol depression. The length of the coastline is -30.5 thousand km. The average height above sea level is -650 m. The longest river is the Nile with Kagera. […]...
12. Lakes, swamps and underground waters of Africa Lakes. The basins of almost all large African lakes are of tectonic origin, that is, they are in faults, or deflections of the earth’s crust. The largest in the area of ​​the lake of the African continent is Victoria. It is in the deflection of the platform, so it is relatively shallow. Tropical storms often […]...
13. The geographical position of Africa, its research 1. What are the characteristics of the geographical position of Africa? Features of the geographical location of the continent Africa is easy to establish by looking at the map. Africa is the only continent that is divided by the equator into almost equal parts. A significant territory of the continent is located between the North […]...
14. Inner waters of Africa 1. Prove, using the example of the Zambezi River and the lakes of Tanganyika and Chad, that rivers and lakes depend on terrain and climate. In order to prove the dependence that exists between the inland waters and the relief, it is necessary to trace the nature of the flow of rivers and the shape […]...
15. Ecological problems of Africa Environmental problems are complex situations that arise in connection with human intervention in natural processes that lead to a violation of the equilibrium of natural complexes, entail a change in these complexes or their complete destruction. One of the largest environmental problems in Africa is the gradual increase in the desert area. For example, the […]...
16. The structure of the earth’s crust and the subglacial relief of Antarctica The structure of the earth’s crust. In the middle of XX century. among scientists there were discussions about what is hidden under the glacial armor of Antarctica: the ocean, the archipelago or the continuous continent. The final answer was given by studies of the earth’s crust. So it was established that the Earth’s crust of […]...
17. The relief of South America The geological structure of South America is connected with its relief. At first glance at the physical map of the continent, it can be divided into three parts: lowland – in the center, plateau – in the east, highland – in the west. Platforms on the east of the continent correspond to large plains. On […]...
18. Relief of Australia Since the most ancient platforms in the relief correspond to flat areas, the relief of Australia is rather monotonous and similar to the relief of Africa. Here, too, the territory is mostly flat. The average height is only 215 m above sea level. In the west, within the shield, the plain is somewhat elevated and […]...
19. Geological structure, minerals and climate of Oceania The geological structure of the islands of Oceania and their origin are closely related to the structure of the bottom of the Pacific Ocean. In the west of the Pacific, the Pacific and Indo-Australian plates converge, forming uplifts. In the places of their collision, earthquakes and volcanism are observed. Most of the islands of Oceania […]...
20. Political map of Africa In ancient times, states in Africa did not have clear boundaries. The division of the territory began mainly during the colonization of the continent by European states and ended only in the second half of the 20th century. The outlines of the borders, which are straight lines, recall the colonial past of Africa. The colonialists […]...
21. Relief of North America The relief of North America is closely connected with its tectonic structures. The ancient and young platforms in the modern relief correspond to the plains, the regions of folding in the extreme West and East – the mountains. Plains occupy 2/3 of the surface. The Canadian shield corresponds to the relief of the Laurentian Upland, […]...
22. Relief of the Earth 1. What is a relief? What are the reasons for its diversity? To answer the second question, it is necessary to imagine how the relief is formed, what forces contribute to the occurrence of unevenness on the Earth’s surface, how the internal and external influences during the formation of the relief differ from place to […]...
23. Minerals of Eurasia In Eurasia, there are all kinds of minerals that humanity uses. This is due to the size of the continent and the complex structure of the earth’s crust. Large deposits of iron ore are discovered in France, on the Scandinavian Peninsula, on the Eastern European Plain, in Kazakhstan, Siberia, on the Dekan plateau in India. […]...
24. Races and peoples of Africa The main part of the inhabitants of the mainland is the indigenous population, belonging to the three races – Caucasoid, Negroid and Mongoloid. Representatives of the Caucasoid race live mainly in the north of Africa. These are samples and Berbers, who in ancient times moved here from Asia. They are characterized by dark skin, dark […]...
25. Nature, population and countries of Oceania 1. Explain the relationship of the size, geographic location, terrain and mineral resources of the islands to their origin. Islands can be formed by separation from the mainland. Such islands are called continental islands. The size of such islands is quite large compared with the islands of volcanic and coral origin. The mainland islands are […]...
26. Basic facts on the topic “Physiographic location, discovery, study and relief of Eurasia” The physiographic position of Eurasia is determined by its size, a large extent from west to east and from north to south. Eurasia lies in all climatic belts of the Earth. It is the only continent that is washed by the waters of all four oceans. The coastline of the continent is strongly dissected, there […]...
27. Interesting facts about “Africa” Africa from Europe is separated by a narrow Strait of Gibraltar, whose width is 14 km. In ancient times this strait was called the Hercules pillars. Later, the Arabs who conquered Spain named the Jebel Tal Garik Strait, the Tarika mountain, named after an Arab commander who in 711 crossed the strait at the head […]...
28. Natural protected areas of Africa Natural protected areas are land or sea areas on which the entire natural complex or its individual components are preserved in their natural state. In these territories, economic activities are completely prohibited or its individual elements. In our time, no one denies the need to preserve natural complexes, plants and animals in them. In some […]...
29. The population of Africa 1. Identify which African countries or parts of them are densely populated and which are weak. In which countries are there uninhabited territories? Explain the reasons. The population on the Earth as a whole and on each continent is placed extremely unevenly. Using a population density map, you will be able to discover areas completely […]...
30. Common questions to Africa 1. Why is it important to know the geographic location of the continent? What are the characteristics of the geographical location of Africa? Geographical position is the leading concept in geography. Other geographic characteristics also depend on the geographic location. Africa can be called the warmest continent based only on the characteristics of its geographical […]...
31. Rivers of Africa The African proverb says: water is more expensive than flour. This indicates that local people value water above wealth. On large areas of Africa, water is really scarce. Nevertheless, not everywhere on the mainland it is lacking. Here and there, even in excess water. The uneven distribution of water bodies in Africa is related to […]...
32. Animal world of savannas and sparse forests of Africa Only in African savannah can you see so many herbivorous giant animals. They all wander through savannahs in search of niches and water. They make especially significant transitions in the dry period. The African elephant is the largest of the modern land animals. The length of his body reaches 7 meters and the weight of […]...
33. The Australian Union 1. What are the minerals rich in the Australian Union? The Australian Union is a country occupying the whole continent that is part of the British Commonwealth of Nations. The Australian Union, which is called Australia, contains rich mineral deposits in its bowels. The regularity of the location of minerals depends on the structure of […]...
34. Relief of Eurasia Due to the complexity of the structure of the earth’s crust and the long history of its development, the surface of Eurasia is more diverse than other continents. Here are the largest plains The earth and the highest mountains, the deepest depression on land and the largest lowland of the world, which lies below the […]...
35. The development of internal parts of Africa The study of the interior territories of Africa began only with the XIX century. European countries in search of new markets for their goods and cheap sources of raw materials for their industry, seized all new territories. The most famous researcher of the interior territories of Africa is considered to be the English missionary David […]...
36. Natural areas of Africa 1. On the map, determine in which climatic zones are tropical deserts and semi-deserts. To complete this task, you will need maps of natural zones and climatic zones. Determine in what climatic zones are these natural areas. Why did they form exactly in these climatic zones? The main reason is the average annual rainfall, typical […]...
37. Languages ​​of Africa The majority of the Sinjic languages ​​of Africa have two distinctive features: they have musical tones (the number of them can go up to nine) and a special system of classes of nouns. Musical tones help distinguish words in Chinese, and in African, and in a number of Austrian languages. About grammatical classes worth telling […]...
38. Common features of Africa’s climate Africa is the hottest continent of the world. This is due primarily to the fact that most of its territory is in a hot thermal belt between the tropics. Here throughout the year the sun is high above the horizon and twice a year, anywhere in Africa between the North and South Tropics is at […]...
39. Natural phenomena of nature in Africa Spontaneous phenomena are events in nature, manifested as a powerful destructive force. These include, in particular, droughts, earthquakes, volcanic eruptions, floods, hurricanes, etc. Natural phenomena can lead to numerous human casualties, the destruction of buildings, roads, damage to agricultural lands, forests. In Africa, natural disasters include, first of all, permanent droughts, during which there is […]...
40. Physical and geographical location of Africa Africa is the continent of heat, impenetrable thickets of equatorial forests, huge savannas and endless deserts. The uniqueness of nature is determined by the peculiarities of the location of Africa on our planet, that is, its physical and geographical position. Physico-geographical position – the location of the territory with respect to a variety of natural […]...