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MAJOR LANDFORMS OF THE EARTH. �(PERIOD 1)

PREPARED BY –MD JAHANGIR HUSSAIN (TGT SOCIAL SCIENCE)

CLASS OF THE TOPIC-VI

JNV HAILAKANDI,ASSAM.

SHILLONG REGION.

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MAJOR LANDFORMS OF THE EARTH.

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PROCESSES OF LANDFORMS.

  • 1.INTERNAL PROCESS – CONTINUOUS MOVEMENTS ARE ACTIVE INSIDE OUR EARTH.THE CONVERGENCE(COMPRESSION) FORCE LEADS TO UPLIFTMENT(MOUNTAIN ETC) AND DIVERGENCE (DECOMPRESSION) FORCE LEADS TO SINKING(VALLEY ETC)

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PROCESSES OF LANDFORMS.

  • 2.EXTERNAL PROCESS-FACTORS LIKE RAIN,WIND AND SUNLIGHT WEARS DOWN SEDIMETS OF ROCK AND SOIL.THIS WEARING IS EROSION.
  • WIND AND RIVER HELP REBUILDING OF THESE SEDIMENTS.THIS PROCESS IS DEPOSITION.

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TYPES OF LANDFORMS.

  • 1.MOUNTAIN-(610 MTR AND ABOVE)

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  • 2.PLATEAU-(200 MTR TO 610 MTR)

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  • 3.PLAIN(SEA LEVEL TO 200 MTR)

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(1.MOUNTAIN AND IT TYPES)

  • A MOUNTAIN IS A NATURAL ELEVATION OF EARTH WITH AN AVERGE ALTITUDE OF 610 METRES OR MORE.LINE OF MOUNTAINS IS RANGE. THE TOP OF MOUNTAIN IS COLD WHILE LOWER PART IS HOT.

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TYPES OF MOUNTAIN (A)FOLD MOUNTAIN)

  • FOLD MOUNTAINS – THESE MOUNTAINS ARE MADE BY THE CONVERGENT FORCES INSIDE OUR EARTH.EXAMPLE-THE HIMALAYAS,THE ARAVALIS,THE APPALACHIANS, AND THE URALS.

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FOLD MOUNTAIN IMAGE.

  • CONVERGENT FORCES
  • FOLD MOUNTAIN

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FOLD MOUNTAIN.VIDEO DEMONSTRATION.

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FOLD MOUNTAINS IN WORLD MAP.

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RECAPITULATION.

  1. 1.NAME THEMAJORLANDFORMS OF THE EARTH.

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  • NAME THE TWO PROCESS FOR THE LANFORMS OF EARTH.
  • WHAT ARE THE FACTORS OF EROSION?
  • NAME SOME FOLD MOUNTAINS.
  • NAME SOME FOLD MOUNTAINS IN INDIA.

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HOME ASSIGNMENT-�

I. ANSWER THE FOLLOWING QUESTIONS IN AROUND THE WORD LIMITS GIVEN AT THE BACK.

  1. NAME THE MAJOR LANDFORS OF THE EARTH AND DRAW ITS DIAGRAM.(10-15 WORDS)
  2. HOW EXTERNAL FORCE OF EARTH IS DIFFERET FROM INTERNAL FORCE.DRAW THE DIAGRAMS. (60 WORDS )
  3. HOW IS FOLD MOUNTAIN CREATED? EXPLAIN WITH A DIAGRAM.(40 WORDS)
  4. HOW IS EROSION DIFFERENT FROM DEPOSITION?(40 WORDS)

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MAP & OTHER TASKS.

  1. IN A WORLD MAP LOCATE THE FOLLOWING FOLD MOUNTAINS- 1.THE HIMALAYAS 2.THE ARAVALIS 3.THE ALPS 4.THE APPALACHIANS

THE ROCKIES.

2.MAKE A LIST OF RESOURCES FOUND IN A MOUNTAIN.

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DOING AND LEARNINGACTIVITY.

  • ACTIVITY-COMPARE THE SOIL,FAUNA AND VEGETATION OF A NEARBY MOUNTAIN WITH YOUR LOCAL AREA OR WITH A PLAIN.

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END OF PART 1.

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