Geography

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 […]

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CALCULATION OF LOCAL TIME

The time recorded in places within the same longitude. A longitude is an imaginary line running from N to S which shows how far E or W a place is from the prime meridian. Greenwich Meridian (0◦) longitude is the point of reference when calculating time. Time is gained towards the E and lost towards

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THE ORIGIN OF THE EARTH

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. Heavier materials collected at the centre to form the core. Less dense materials collected around the core to form the mantle. The lightest materials formed the crust The

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INTRODUCTION TO GEOGRAPHY

 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 weather,

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RAINFALL

Rain gauge is the instrument used to measure the amount of rainfall in a day. It should be made of impermeable material which can’t absorb water. How It’s Used/Works It’s taken to an open space to prevent water from dropping into the funnel. \Its sunk into the ground to prevent evaporation The funnel top is

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RAINFALL

Rain gauge is the instrument used to measure the amount of rainfall in a day.It should be made of impermeable material which can’t absorb water. How It’s Used/Works It’s taken to an open space to prevent water from dropping into the funnel. Its sunk into the ground to prevent evaporation The funnel top is left

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EXTERNAL STRUCTURE OF THE EARTH

a) The Atmosphere Layer of gases surrounding the earth. The earth revolves with it because it’s held onto it by gravity It’s about 330km thick. Composition of the Atmosphere a) Gases-exist as a mixture b) Smoke particles c) Dust particles d) Water vapour The structure of the Atmosphere It’s divided into 4 layers/zones namely: Troposphere

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STATISTICAL DATA

Discrete Data Which is given in whole numbers e.g. 16 elephants 1093 tonnes of wheat Continuous Data Facts and figures which can take any value e.g. Fractions e.g.23 ¼ Decimals e.g. 6.20 mm Values within range e.g. 0-30◦c Grouped Data Which is non precise/exact but values range in groups e.g. Sources of Statistical Data Primary

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METHODS OF COLLECTING DATA

METHODS OF COLLECTING DATA (STATISTICAL TECHNIQUES) Observation Use of eyes to observe features or weather then information is recorded immediately e.g. cloud cover, rocks, soil, land forms, vegetation, etc. Advantages Gives 1st hand information which is reliable. Relevant material to the study is collected. Time saving since one doesn’t have to look for data in

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NATURAL SATELLITES

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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COMPOSITION OF THE SOLAR SYSTEM

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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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 earth’s surface and

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MINERALS AND ROCKS

Minerals Inorganic substances occurring naturally at or below the earth’s surface. Characteristics of Minerals Different degrees of hardness e.g. some are very hard e.g. diamond while others are very soft e.g. talc. Some have atoms arranged in an orderly manner to form crystals e.g. quartz form a 6- sided prism. Varying number of elements e.g.

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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 different communities within our

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GEOGRAPHY PAST QUESTIONS & ANSWERS

Practice the GEOGRAPHY Past Questions with Answers. The questions are answered by our experts and you will get the correct answers to the GEOGRAPHY questions. Prepare yourself for the exam ahead and test your knowledge and readiness. To access all our past questions and answers, you have to join/register with us and then you can

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GEOGRAPHY POST UTME PAST QUESTIONS

GEOGRAPHY POST UTME PAST QUESTIONS AND ANSWERS Practice the GEOGRAPHY POST UTME Past Questions with Answers. The questions are answered by our experts and you will get the correct answers to the GEOGRAPHY POST UTME questions. Prepare yourself for the exam ahead and test your knowledge and readiness. You may also like BUSH FALLOWING IN

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TEMPERATURE

Degree of hotness of an object or a place. It’s measured using 3 types of thermometers namely: Maximum thermometer Minimum thermometer Six’s thermometer Maximum Thermometer It’s used to measure the highest temperature reached in a day. It uses mercury. How It’s Used/Works Temperature rises causing mercury to expand. Mercury pushes the index up. When temperature

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