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NCERT 5th Class (CBSE) Social Science: The Imaginary Lines – Latitudes and Longitudes

NCERT 5th Class (CBSE) Social Science: The Imaginary Lines – Latitudes and Longitudes

Question: What are latitudes and how many of them are there?

Answer: Imaginary line drawn parallel to the equator which run east to west on earth’s surface are called latitudes. There are 181 line of latitude.

Question: Differentiates between latitudes and longitudes.

Answer:

latitudes
longitudes
1. Latitudes run east to west.
1. Longitudes run north to south.
2. There are 181 lines of latitudes
2. There are 360 lines of latitudes
3. The largest latitude equator divide the earth into northern hemisphere and southern hemisphere.
3. The longitude prime meridian divide the earth into eastern hemisphere and western hemisphere.
4. Latitudes are parallel and never meet each other.
4. Longitudes are not parallel and meet at poles.

Question: What is prime meridian?

Answer: The longitude that passes through the observation at Greenwich near london is the prime meridian and is numbered 0º.

Question: What is a grid?

Answer: A network of lines formed by latitudes and longitudes.

Question: State the importance of the International date line?

Answer: The 180º longitude is also called the International date line. The moment you cross to the east of it you gain or add a day, and if you cross to the west of it you loose or subtract a day.

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