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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

Revision: Geography - Term 3 >> Map Reading Social Science SSLC (English Medium) Class 7 Tamil Nadu Board of Secondary Education

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Definitions [2]

Define scale

The scale of a map is the ratio between the distance on the map between two points and the actual distance between the two places on the ground.

Define Globe.

  1. A globe is a three-dimensional model of the Earth.
  2. A globe cannot show detailed information for an area.
  3. A globe is not easy to carry.

Key Points

Key Points: Types of Maps
  • Physical maps show natural features like mountains, rivers, and relief.
  • Cadastral maps show land records, fields, and property boundaries.
  • Political and thematic maps show administrative boundaries and specific themes like climate or population.
  • Topographical maps, prepared by the Survey of India, show natural and man-made features using contours and symbols.
  • Large-scale maps show more details of small areas, while small-scale maps show large areas with less detail.
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