(a) What are the three components of a map?
Answer
The three components of a map are Distance, Direction and Symbol.
(b) What are the four cardinal directions?
Answer
The four cardinal directions are North, East, South and West.
(c) What do you mean by the term ‘the scale of the map’?
Answer
The scale is the ratio between the actual distance on the ground and the distance shown on the map.
(d) How are maps more helpful than a globe?
Answer
Maps are more helpful than a globe in the following manner:
• A globe can be useful when we want to study the earth as a whole. But, when we want to study only a part of the earth, maps is more useful as it can represent the entire earth's surface or a part of it.
• Maps can be useful to show the physical features of the earth such as mountains, plateaus, plains etc., political boundaries such as countries, cities, towns and villages etc. as well as specific information such as road maps, rainfall maps, distribution of forest, industries etc.
(e) Distinguish between a map and a plan.
Answer
A map A plan
It is a representation of earth’s surface or a part of it, on a sheet of paper.
It is a drawing of a small area on a large scale, on a sheet of paper.
It can be used for representing countries, states, villages, town etc.
It is used for representing those things which can't be shown in map, for example, the length and readth of a room
(f) Which map provides detailed information?
Answer
Large scale maps provide detailed information.
(g) How do symbols help in reading maps?
Answer
Symbols give a lot of information in a limited space. It is not possible to draw on a map the actual shape and size of different features such as buildings, roads, bridges, trees, railway lines or a well. So, they are shown by using certain letters, shades, colours, pictures and lines. As it does not include any language so one doesn't need to know regional language to understand it.
2. Tick the correct answers.
(a) Maps showing distribution of forests are
(i) Physical map
(ii) Thematic Map
(iii) Political map
► (ii) Thematic Map
(b) The blue colour is used for showing
(i) Water bodies
(ii) Mountains
(iii) Plains
► (i) Water bodies
(c) A compass is used –
(i) To show symbols
(ii) To find the main direction
(iii) To measure distance
► (ii) To find the main direction
(d) A scale is necessary
(i) For a map
(ii) For a sketch
(iii) For symbols
► (i) For a map