Any natural heavenly body that orbits around a planet e.g. moon for earth, tritan for Saturn and triton for Neptune. Asteroids/Planetoids Also called minor planets. Are small fragments of rocks left going around the sun when the solar system was formed Found between Mass and Jupiter Are 1500 in number They sometimes collide with each […]
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The Sun It’s the centre of the universe. Characteristics of Sun It’s a star. A star is a heavenly possessing its own light which it transmits. Nebula/galaxy is a cluster of stars. The earth is in a galaxy called The Milky Way. It’s made of very hot gases mainly hydrogen (70%) and helium (30%). Has
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THE EARTH AND THE SOLAR SYSTEM
Solar system is the group of heavenly bodies comprising the sun and the nine planets.
The origin of the Solar System
Theories
A theory is a set of reasoned ideas intended to explain facts or events
Passing Star Theory
A star with a greater gravitational pull passed near the sun
It attracted large quantities of gaseous materials from the sun
The materials split, cooled and condensed to form planets
The planets were set in orbit by the passing star
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IMPORTANCE OF STUDYING GEOGRAPHY Facilitates good relationship among nations by studying geography of other regions of the world. it’s a career subject in that it enables one to go for advanced studies in specialized fields e.g. geography teachers, meteorology, surveying etc. Enables us to appreciate other people’s way of life by learning economic activities of
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The Meaning of Geography Scientific study of the earth as a home of man. Study of interrelationship on natural and human phenomena on the earth’s surface. Environment The surroundings All external conditions surrounding an organism which has influence over its behaviour. Environment can be divided into two: The Physical Environment Natural physical conditions of
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GEOGRAPHY SS 1 SCHEME OF WORK GEOGRAPHY SS 1- FIRST TERM The Earth and the Solar System 1. The earth and other planets 2. Earth’s rotation and revolution. 3. Latitudes and Longitudes 4. The Earth’s Structure 5. Rocks 6. Mountains 7. Lowlands Local Geography 8. Town/ Village 9. The Local Government Area (LGA) GEOGRAPHY
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MINING IN AFRICA (GOLD, PETROLEUM AND COPPER) Mining is defined as the extraction and processing of mineral resources into finished products. Mining of Gold South Africa is the largest producer of gold in Africa, followed by Ghana, Zimbabwe and Zaire. Major mining areas include: Witwatersrand near Johannesburg (South Africa) Werksdorp and Welcom in South Africa
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SATELLITE REMOTE SENSING Remote Sensing is defined as the act of obtaining information about an object without being in direct contact with the object. A satellite is an artificial body placed in orbit round the earth or on another planet to collect information or for communication. Satellite remote sensing is a satellite that study the
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WEST AFRICA POPULATION Population is defined as the number of people living in an area at a particular time. The population of West Africa is not evenly distributed. Some areas are densely populated, some are moderately populated and others are sparsely populated. AREAS OF DENSE POPULATION: These include Lagos, Kano, Accra, Abidjan, Freetown,
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GIS APPLICATION Geographic Information System can be applied in different field which include defence, agriculture, mining, transport, urban planning, census, surveying etc. Some of the problems of GIS in Nigeria are: Inadequate power Inadequate personnel Inadequate capital Poor communication Low level of technology Lack of GIS institutions. Data representation GIS data represents real
TOURISM Tourism is the process which involves the visiting of people to places of interest for pleasure, relaxation, entertainment or education. FACTORS FAVOURABLE FOR TOURISM Presence of wild life Presence of highlands Good accommodation or hotels Easy means of communication Good transportation network or accessibility Availability of fund Adequate security Political stability. IMPORTANCE OF TOURISM