PSEB Punjab Board Class 6 Social Science Textbook Solution Chapter 3 Globe The Model of the Earth Exercise Questions and Answers
(A) Answer the following questions in brief:
(1) Why Globe is called as the model of earth?
Ans: A globe is called as the model of Earth because it is a three dimensional model that correctly represents the shape of the Earth with all its physical features.
(2) What is the name of the ending of screw of globe?
Ans: The ending of screw of Globe is known as the hemispheres. The upper ending screw is called northern hemisphere and the lower ending of screw is called the southern hemisphere.
(3) What is the name given to the semi-circles that connect both the poles?
Ans: Northern hemisphere and southern hemisphere are the name given to the semi-circles that connect both the poles.
(4) What is Hemisphere? Name the line that cuts the Globe or Earth into Hemispheres?
Ans: The half of a sphere is called a Hemisphere.
The line that cuts the Globe or Earth into hemisphere is known as equator.
(5) What is the Prime Meridian? From where it passes?
Ans: Prime meridian is the semi-circular line that passes through Green which in England and the counting of meridians starts from it.
(6) Why longitudes are called Meridians of longitude? In how many meridians we divide the Earth or the Globe?
Ans: Longitudes are semi-circular lines that runs from North Pole to south pole and is called meridians. We divide the Earth or Globe into 6 meridians on each side.
(7) What is the largest circle of Globe, name it?
Ans: Equator is the largest circle of Globe.
(8) What is the difference between parallel of latitude and meridian of longitude?
Ans: (i) Parallel of latitude divides the earth horizontally and meridian of longitude joins the earth from its north pole to South Pole.
(ii) Some important parallel of latitudes are – Tropic of cancer, Tropic of Capricorn and important meridian of longitude is – Prime Meridian.
(9) What is the importance of longitude?
Ans:
(i) Longitude helps us to calculate the local time of a place.
(ii) Longitude helps to determine the direction of a place and calculate distance between places.
(10) Which line helps us to divide Earth into Heat zones? Give reasons? Why there are heat zones?
Ans: Latitude helps us to divide Earth into heat zones.
They are called heat zones because these areas are receiving vertical sunrays the intensity of heat is maximum here.
(B) Fill in the blanks:
(1) Tropic of Cancer is depicted by ______ parallels of latitude.
Ans: 23 1/2° N northern hemisphere.
(2) Tropic of Capricorn is depicted by ______ parallels of Latitude.
Ans: 23 1/2° S in southern hemisphere.
(3) Latitudes and Longitudes make a ______ on a Globe
Ans: Grid.
(4) The distance between any two parallels is always ______.
Ans: Equal.
(5) The ______ is also known Zero Meridian.
Ans: Prime Meridian
(6) In India, the Longitude of ______ is considered the standard Meridian.
Ans: 82 1/2° E
(7) The time difference between Greenwich Mean Time and Indian standard Time is ______.
Ans: 5 hours 30 minutes.
(C) Say whether the following statements are “True” or “False”.
(1) Each Parallel of latitude is a semi-circle.
Ans: True
(2) Temperature increases as we go away from the equator.
Ans: False
(3) The Torrid Zone lies between the Tropic of Cancer and Tropic of Capricorn.
Ans: True
(4) The Earth rotates from the West to East direction.
Ans: True
Also See: PSEB Class 6 SST Ch 2 Question Answer