# NCERT Class 6 Geography Chapter 4 Notes

NCERT Class 6 Geography Chapter 4 Notes

#### Maps and their importance

A map is drawing of the Earth’s surface or part of the Earth on a flat surface. A map can be drawn for a village, city, state, country or the full earth. An atlas is a collection of various types of maps.

➤ It is easy to carry.
➤ A map is more useful when we want to study part of the Earth.

#### Elements of a map

Elements are used to make a map more informative and meaningful. Map scale, directions, symbols, colors, legend, title, etc. are some important elements.

#### Types of Map Scales

Small scale map is used when map is drawn for larger areas. A large actual distance is represented by a distance on the map.
Example: 2 cm = 500 km

Large scale map is used when map is drawn for smaller areas. A smaller actual distance is represented by a distance on the map.
Example: 2 cm = 500 m

There are various ways of representing map scale, such as Linear Scale, Ratio Scale, Verbal Scale.

Ratio Scale = Distance on map : Actual distance on ground
or
Ratio Scale = Distance on map/Actual distance on ground

#### Cardinal Directions and Intermediate Directions

There are two types of directions:
(1) Cardinal Directions (North, East, South, West)
(2) Ordinal or Intermediate Directions (NW, NE, SE, SW, etc.)

#### Color Notations used on maps

Various colors are used to make the maps more informative. Below are some commonly followed notation.

##### Conventional Symbols

To make a map readable by everyone, there is an international agreement to use some common symbols. The symbols that have same meaning throughout the world are called conventional symbols.

#### Map vs Sketch vs Plan

NCERT Class 6 Geography Chapter 4 Extra Questions

NCERT Class 6 Geography Chapter 4 Online Test