Samacheer Class 7 Social Science - Map Reading

Map
2. The directions in between the cardinal directions are the inter mediate …………………..
directions
3. …………………..in a map which explains the different colours and symbols used in it.
Legand
4. Cadastral maps are known as …………………..
Village and Town Maps
5. Small scale maps are helpful to us to show large areas like ………………….. and …………………..
Continents, Countries

Map
2. ………………….. show small areas in greater details because they are drawn on a relatively large scale.
Large scale maps3. …………………..are village and town maps.
Cadastral maps
4. ………………….. shows smaller areas in much greater details about a small area.
Topographical maps
5. …………………. that show large areas like continent or countries.
Small scale maps6. ………………….. are small-scale maps showing large areas.
Wall maps
7. …………………..is a collection of maps in a book.
Atlas
8. ………………….. is a web-based service that provides detailed information about geographical regions and sites around the world.
Digital Maps
9. map 1 cm is equal to …………………… km on the grand.
10 Km
10. The features of ………………….. colour in Map is agriculture.
Yellow
11. The features of ………………….. colour in Map is Forest.
Green12. The features of ………………….. colour in Map is Mountain, Hill, and Contour.
Brown
13. The features of ………………….. colour in Map is Settlements, Road.
Red
14. On the map police station is denoted by the symbol …………………..
Ps
15. Maps are used for …………………..
weather forecasting

1. Representing the earth on a flat surface. Map. A map is a two-dimensional representation of the Earth or a portion of it on a flat surface such as paper, allowing geographical information to be displayed and studied in a portable and accessible format. 2. Ratio between the distance on a map and distance on the ground. Scale. The scale of a map is the proportional relationship between distances shown on the map and the actual distances on the ground, enabling users to calculate real-world distances from map measurements. 3. Symbols which help to show roadways and railways. Symbols. Maps use standardized symbols and signs to represent various features such as roads, railways, buildings, and other infrastructure, allowing complex information to be conveyed concisely and clearly. 4. A book which contains different kinds of maps. Atlas. An atlas is a comprehensive collection of maps bound together in book form, containing various types of maps such as political maps, physical maps, thematic maps, and historical maps covering different regions and topics. 5. A map which shows administration divisions. Political map. A political map displays the administrative boundaries and divisions of regions, countries, and states, showing borders, capitals, and other political entities that define territorial organization.

Maps are essential tools that serve numerous important purposes in our daily lives and in various professional fields. Maps enable us to know the details of landforms, showing the physical features of the Earth such as mountains, valleys, plateaus, and plains. Maps help military personnel in planning and executing campaigns by providing detailed information about terrain and strategic locations. Maps are used in airplanes and ships for navigation, helping pilots and sailors determine their exact position and chart the safest and most efficient routes. Maps are used for weather forecasting by meteorologists to track weather patterns, storm movements, and climate conditions across different regions. Additionally, maps are used by urban planners for city development, by geologists for studying rock formations and mineral deposits, by historians to understand historical events and territorial changes, and by businesses for market analysis and distribution planning. Maps also help in disaster management, resource exploration, and environmental conservation by providing visual representations of geographical data that would be difficult to understand through text alone.

The basic essential elements of a map are title, direction, scale and legend (or) key and signs and symbols.
Title:
Every map has a title that describes the information given in the map.
For example: India River.
Direction:
In general maps are drawn with North orientation.
It helps us to find other direction on the map like East, West and South.
Scale:
The scale of a map is the ratio between the distance on the map between two points and actual distance between the two places on the ground.
For example: 1 cm = 10km.

A map is an essential tool for a geographer.
The map is a representation of the earth as a whole or a part of the earth drawn on a flat surface according to a given scale.
It can show continents, countries, cities, and even a local area are drawn with specific details.
It is easy to handle and carry as it can be rolled up (or) folded and stored in computers.

Maps can be classified into various types based on their functions and the information they display. Relief maps show the physical features and elevation of the Earth's surface, including mountains, valleys, and plateaus. Geological maps display the distribution of different rock types and mineral deposits beneath the Earth's surface. Climatic maps illustrate different climate zones and weather patterns across regions. Soil maps show the distribution and types of soils in different areas. Cultural maps represent the cultural features of regions, including languages, religions, and traditions. Political maps display the boundaries of countries, states, and administrative divisions. Population maps show the distribution and density of human population in different areas. Economic maps illustrate the distribution of economic activities such as agriculture, industries, and trade. Transportation maps display routes of roads, railways, airways, and waterways. Thematic maps are specialized maps that focus on a specific theme or topic such as vegetation, rainfall, or land use. Each type of functional map serves specific purposes in understanding different aspects of geography and helps in planning, research, and decision-making in various fields.

Maps and globes are both geographical representations of the Earth, but they differ significantly in their characteristics and uses. A map is a two-dimensional representation of the Earth drawn on a flat surface such as paper. Maps can show either a small area with great detail or a large area with less detail. Maps are capable of showing detailed information about specific regions, including boundaries, cities, roads, and other features. Maps are very easy to carry and transport, making them convenient for travelers, students, and professionals. A globe is a three-dimensional spherical model of the Earth that accurately represents its true shape. A globe is a true representation of the Earth as it shows the correct proportions, distances, and shapes of continents and oceans. However, a globe cannot show detailed information for a specific area because of its small scale and spherical shape. A globe is not easy to carry due to its bulky and fragile nature. While globes are more accurate in representing the Earth's true form, maps are more practical and useful for everyday navigation and detailed geographical study. Both tools are important in geography education and serve complementary purposes.

Based on Scale maps are two types.
Large scale maps
Short scale maps
Large scale maps:
It shows small areas in greater detail because they are drawn on a relatively large scale.
Cadastral maps are village and town maps.
Topographical maps show smaller areas in much greater detail about the small areas.
Small scale maps:
It shows large areas like continents or countries.
These maps are drawn on 1 cm = 1000 km. These are called small-scale maps.
Wall maps are small-scale maps showing large areas.
Atlas is a collection of maps in a book. Atlas maps are small-scale maps covering large areas like continents and countries.

A map is an essential tool for a traveler for several important reasons. Maps help a traveler to find out direction and navigate through unfamiliar territories by showing the cardinal directions and the orientation of places. Maps tell about the latitudinal and longitudinal extent of a place, which helps travelers understand the geographical location and position of their destination relative to other places. Maps help one to locate a place easily by showing the exact position of cities, towns, landmarks, and other important locations. Maps enable travelers to follow the correct traveling route by displaying roads, highways, railways, and other transportation networks. Maps also provide information about the terrain, climate, and physical features of an area, which helps travelers prepare appropriately for their journey. By using maps, travelers can plan their routes efficiently, estimate travel time and distance, avoid getting lost, and make informed decisions about their travel plans. Maps also show important facilities and services available along the route such as hospitals, hotels, and fuel stations, which are crucial for safe and comfortable travel. Therefore, maps are indispensable companions for any traveler.

Digital map is a web-based service that provides detailed information about geographical regions and sites around the world.