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FAQs on Textbook Solutions: The Earth and the Graticule - Geography Class 6 (Maharashtra Board)

1. What is a graticule and how is it used in mapping?
Ans. A graticule is a network of latitude and longitude lines drawn on maps and globes. It helps to identify locations on the Earth's surface by providing a coordinate system. Latitude lines run horizontally and measure distances north or south of the Equator, while longitude lines run vertically and measure distances east or west of the Prime Meridian. This system allows for precise navigation and mapping.
2. What are the main lines of latitude and their significance?
Ans. The main lines of latitude include the Equator, Tropic of Cancer, Tropic of Capricorn, Arctic Circle, and Antarctic Circle. The Equator is significant as it divides the Earth into the Northern and Southern Hemispheres and is at 0° latitude. The Tropic of Cancer and Tropic of Capricorn are important for indicating the regions where the sun can be directly overhead at noon. The Arctic and Antarctic Circles mark the boundaries of the polar regions.
3. How do latitude and longitude determine a location on Earth?
Ans. Latitude and longitude work together to provide a specific coordinate for any location on Earth. Latitude is given first and indicates how far north or south a point is from the Equator, while longitude indicates how far east or west a point is from the Prime Meridian. For example, a location with coordinates 30° N and 90° W is 30 degrees north of the Equator and 90 degrees west of the Prime Meridian.
4. Why is the Prime Meridian important in geography?
Ans. The Prime Meridian, located at 0° longitude, is crucial because it serves as the starting point for measuring longitude. It divides the Earth into the Eastern and Western Hemispheres. This line helps establish time zones and is used as a reference for navigation and mapping, ensuring consistency in global positioning.
5. What are the differences between latitude and longitude in terms of measurement?
Ans. Latitude is measured in degrees from 0° at the Equator to 90° at the poles, and it is consistent in distance (approximately 111 kilometers between each degree). Longitude, however, varies in distance depending on the location on Earth, as the lines converge at the poles. Each degree of longitude is about 111 kilometers at the Equator but lessens as it approaches the poles.
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