STD 7 Social Science: Chapter 06 Understanding Maps - Questions and Answers | Teaching Manual
Textbooks Solution for Class 7th Social Science (English Medium) ഭൂപടങ്ങളുടെ പൊരുൾതേടി | Text Books Solution Social Science (English Medium) Chapter 06 Understanding Maps | ഈ അധ്യായത്തിന്റെ Teachers Handbook, Teaching Manual എന്നിവ ഡൗൺലോഡ് ചെയ്യാനുള്ള ലിങ്ക് ചോദ്യോത്തരങ്ങളുടെ അവസാനം നൽകിയിട്ടുണ്ട്.
Chapter 06: Understanding Maps - Questions and Answers
1. Write a short note on Columbus's first voyage in search of India?
Answer: Columbus came to know about the natural resources of India and started his first voyage in search of India through the Atlantic Ocean in 1492 A.D. In order to know the route, Columbus and his team travelled with a large leather-wrapped globe on which places were marked. They also used another sphere to mark the location of stars. But Columbus lost his route and reached some islands near the North American continent. This was because of the lack of accurate maps and other navigational aids.
2. Write a short note on Magellan and his team's voyage from Europe?
Answer: The Portuguese explorer Magellan and his team started their voyage from Europe in September 1519. Their aim was to travel
through the Atlantic Ocean and the Pacific Ocean and to return to Europe. They used maps prepared in the sixteenth century to know the exact location of continents. When the journey prolonged for years, discontent arose among them. When they reached the Philippines Islands in the Pacific Ocean, they had a war with the inhabitants of Mactan Island and Magellan was killed in the war. Those who survived returned to Europe in
September 1522. In an age when there were no detailed maps or other facilities to know the exact route, it took three years for them to travel around the world.
3. Write a short note on Lt. Commander Abhilash Tomy‘s sea voyage around the world?
Answer: Abhilash Tomy set out on a sea voyage around the world from Mumbai in November 2012. Overcoming many challenges en route, he travelled around the world and returned to the shores of Mumbai on 31
March 2013. It was with the help of accurate maps and other modern instruments that he could complete his journey around the world in about 150 days without losing his way.
4. What is called a map?
Answer: True representation of the features of earth's surface on a two-dimensional plane is called a map
5. Can you identify the fields where maps are used?
Answer:
• Learning Geography
• Defence
• Tourism
• Administration
• Transport etc...
6. In order to learn various concepts, different types of maps are used in
your textbooks. Try to identify them.
A) Let us examine who else, other than students and teachers, use maps.
Answer:
• Industrialists
• Historians
• Pilots
• Captains of ships
• Travellers etc...
B) For what purpose do they use maps? Do they use the same map for
different purposes?
Answer: They use different types of maps for various purposes like navigation, calculating the distance to distinct locations etc...
7. Which maps are considered the oldest maps?
Answer: The Mesopotamian plates prepared on baked clay plates about 5000 years ago, are considered the oldest maps.
8. Who is believed to be the creator of the first map?
Answer: Anaximander
9. Who is known as the father of Modern Cartography?
Answer: Mercator is known as the Father of Modern Cartography
10. Who prepared an atlas by combining many maps?
Answer: Abraham Ortelius
11. What is cartography?
Answer: Cartography is the science of map-making.
12. Who is known as a cartographer?
Answer: One who prepares maps is known as Cartographer.
13. 'In this fast-developing world, maps have also changed with the times. Support the statement.
Answer: With the advancement of technology, it has now reached the level of computer-aided maps. With the help of computers, map making has reached a stage where exact location details about a place and three-dimensional views are possible on a mouse click.
14. Observe the pictures given below.
Two pictures of the same locality are given above. What differences that can you observe?
Answer:
• Arrow marks to reach the destination are given in Picture A, while they are absent in Picture B.
• Picture B has a scale and symbol showing the North direction, while they are absent in Picture A.
• In Picture Athe details required to reach the destination alone is given, while the Picture shows all the details of that place.
• In picture A the names of the objects are given, while they are absent in B.
15. What are sketches?
Answer: Sketches are drawings having limited information about a place, drawn from one's own memory or by observing that place.
16. What are Plans?
Answer: Plans are prepared based on exact measurements, location details, scales and direction of a place.
17. What are the essential elements of a map?
Answer:
• Title
• Scale
• Direction
• Latitude and Longitude
• Conventional symbols and colours
• Index
19. Observe the world map and a globe and identify the latitudes and longitudes between which India is located.
Answer:
Latitudes - Between 8° North and 38° North
Longitudes - Between 68° East and 98° East
Let us assess
1. Students and teachers are not the only persons who make use of maps. Justify the statement.
Answer: Other than students and teachers, maps are also used by Industrialists, Historians, Pilots, Captains of ships for various purposes like navigation, calculating the distance to distinct locations etc...
2. Explain the essential elements of the map?
Answer:
Title:-
‘Title indicates the area depicted and the content of the map. It is usually given at the top of the map.
Scale:-
Scale is the relative distance used to represent the distance between two places on the earth. The scale should be maintained while preparing maps. Through this, large areas can be drawn on paper with accuracy. Moreover, a scale can be used to measure the actual distance between places on a map.
Direction:-
Direction is another major element of a map. North, South, East and West are the four major directions. Major directions can be divided into four subdivisions as North-East, South-East, South-West, North-West. A magnetic compass is an instrument to find out directions. Directions are essential to understand the exact location of places on a map.
Longitudes and latitudes:-
Longitudes and latitudes are major elements of a map. A place on maps and the globe is located on the basis of latitudes and longitudes.
Conventional symbols and colours:-
Features of the Earth's surface like mountains, plateaus, plains, water
bodies, routes, settlements, agricultural lands etc. are depicted on maps using internationally accepted colours, signs and symbols.
Index :-
Index is the key to map reading. The index represents the colours and signs on a map. Characteristics of a map are understood using the index.
3. Differentiate between a sketch and a plan.
Answer: Sketches are drawings having limited information about a place, drawn from one's own memory or by observing that place. Plans are prepared based on exact measurements, location details, scales and direction.
4. The scale of a map is 1 cm to 15 km. Assume the distance between two places on the map is 10 cm. Find out the actual distance between these two places on the earth.
Answer: The scale of a map is 1 cm to 15 km and the distance between two places on the map is 10 cm. Thus, the actual distance between these two places on the earth is 10x15 = 150 Km.
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