1. Answer the following questions briefly.
(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– North, South, East, and West are the four cardinal directions.
(c) What do you mean by the term ‘the scale of the map’?
Answer– Scale is the ratio between the actual distance on the ground and the distance shown on the map. If you know the scale, you will be able to calculate the distance between any two places on a map.
(d) How are the maps more helpful than a globe?
Answer– 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, as about our country, states, districts, towns and villages map gives more information than a globe.
(e) Distinguish between a map and a plan.
Answer– A map is a representation or a drawing of the earth’s surface or a part of it drawn on a flat surface according to a scale. And A plan is a drawing of a small area on a large scale, for example, the length and breadth of a room, which can’t be shown on a map. At this time, we can refer to drawings drawn to scale called a plan.
(f) Which map provides detailed information?
Answer– A large-scale map provides detailed information.
(g) How do symbols help in reading maps?
Answer– Symbols give a lot of information in a limited space. With the use of symbols, maps can be drawn easily and are simple to read. Maps have a universal language that can be understood by all.
2. Tick the correct answer.
(a) The movement of the earth around the sun is known as
(i) Rotation (ii) Revolution (iii) Inclination
Answer: (ii) Revolution
(b) Direct rays of the sun fall on the equator on
(i) 21 March (ii) 21 June (iii) 22 December
Answer: (i) 21 March
(c) Christmas is celebrated in summer in
(i) Japan (ii) India (iii) Australia
Answer: (iii) Australia
(d) Cycle of the seasons is caused due to
(i) Rotation (ii) Revolution (iii) Gravitation
Answer: (ii) Revolution
3. Fill in the blanks:
(a) A leap year has ____________ number of days.
Answer: A leap year has 366 number of days.
(b) The daily motion of the earth is _____________.
Answer: The daily motion of the earth is rotation.
(c) The earth travels around the sun in ______________ orbit.
Answer: The earth travels around the sun in an elliptical orbit.
(d) The sun’s rays fall vertically on the Tropic of _____________ on 21st June.
Answer: The sun’s rays fall vertically on the Tropic of Cancer on 21st June.
(e) Days are shorter during _______________ season.
Answer: Days are shorter during the winter season.