The Earth-review Quiz (Pt. 1)

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| By Yema
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Yema
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Quizzes Created: 5 | Total Attempts: 2,907
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A review of information relating to the Earth.


Questions and Answers
  • 1. 

    Which of the following statements are false? 

    • A.

      When we see a ship approaching land from the horizon, we see the mast first and then the rest of the ship gradually. So this tells us the Earth is round.

    • B.

      It is possible to sail off the edge of the earth.

    • C.

      The shadow caused by a lunar eclipse is round, so therefore the earth is round.

    Correct Answer
    B. It is possible to sail off the edge of the earth.
    Explanation
    The statement "It is possible to sail off the edge of the earth" is false. This is because the Earth is not flat with an edge, but rather a spherical shape. Therefore, it is not possible to sail off the edge of the Earth.

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  • 2. 

    At the centre of the Earth there is a strong gravitational force pulling inwards. On the outside of the Earth the sun is also exerting a gravitational force. These two forces help keep the earth's shape. 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that the gravitational force at the center of the Earth is pulling inwards, while the gravitational force exerted by the sun on the outside of the Earth is also pulling towards the sun. These two forces work together to maintain the Earth's shape. Therefore, the statement is true.

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  • 3. 

    Which of the following statements best describes the shape of the Earth? 

    • A.

      The Earth is roundish in nature and bulges at the Tropic of Cancer

    • B.

      The Earth is roundish and is flattened at approximately 66.5 degrees latitude

    • C.

      The Earth is roudish at the poles and flattens at middle because of gravitational forces

    • D.

      The Earth is roundish and bulges at the equator causing the poles to flatten

    Correct Answer
    D. The Earth is roundish and bulges at the equator causing the poles to flatten
    Explanation
    The Earth is described as roundish because it is not a perfect sphere, but rather slightly flattened at the poles and bulging at the equator. This is due to the centrifugal force caused by the Earth's rotation, which causes material to move away from the axis of rotation towards the equator. As a result, the equatorial region is slightly wider and the poles are slightly flattened.

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  • 4. 

    Lines of latitude are also known as  

    Correct Answer
    Parallels
    Explanation
    Lines of latitude are referred to as "parallels" because they run parallel to the equator and are equidistant from each other. These lines are used to measure distances north or south of the equator and are depicted as horizontal lines on maps and globes. The term "parallels" highlights the fact that these lines never intersect or meet, maintaining a constant distance from each other as they circle the Earth.

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  • 5. 

    The circumference of the Earth at the Equator is approximately

    Correct Answer
    40,000 km
    25,000 miles
    Explanation
    The circumference of the Earth at the Equator is approximately 40,000 km or 25,000 miles. This means that if you were to travel along the Equator in a complete circle, you would cover a distance of approximately 40,000 km or 25,000 miles.

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  • 6. 

    The path the Earth follows around the sun is known as its 

    Correct Answer
    orbit
    Explanation
    The path the Earth follows around the sun is known as its orbit. An orbit is the curved path that an object takes around another object due to the force of gravity. In the case of the Earth, it orbits around the sun in an elliptical shape. This orbit is what determines the Earth's year and the changing seasons as it moves closer to and farther away from the sun.

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  • 7. 

    When the earth has travelled 365 1/4 days around the sun, it is said to have made a ____________. 

    Correct Answer
    revolution
    Explanation
    When the earth has completed a full orbit around the sun, it is referred to as a revolution. This is because it takes approximately 365 1/4 days for the earth to complete one orbit around the sun, resulting in the change of seasons and the passage of a year.

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  • 8. 

    Lines of Longitude are furthest apart at the equator. 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Lines of longitude are furthest apart at the equator because they are evenly spaced around the Earth, with each line representing a specific degree of longitude. As the Earth is widest at the equator, the lines of longitude are spread out the most at this point, resulting in the greatest distance between them. As you move closer to the poles, the lines of longitude converge, eventually meeting at the North and South Poles. Therefore, the statement is true.

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  • 9. 

    Latitudes are circles of different circumferences or 'length'.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Latitudes are indeed circles of different circumferences or "lengths". This is because they are imaginary lines that run parallel to the equator and are used to measure distances north or south of the equator. As one moves away from the equator towards the poles, the circumferences of the latitudes decrease, resulting in smaller circles. Therefore, it is true that latitudes are circles of different circumferences or "lengths".

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  • 10. 

    The Tropic of Cancer and the Tropic of Capricorn are the longest lines of latitude. 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The Tropic of Cancer and the Tropic of Capricorn are not the longest lines of latitude. The longest lines of latitude are the equator, which is located at 0 degrees latitude, and the Arctic Circle and the Antarctic Circle, which are located at 66.5 degrees north and south latitude respectively. The Tropic of Cancer is located at approximately 23.5 degrees north latitude, while the Tropic of Capricorn is located at approximately 23.5 degrees south latitude.

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  • 11. 

    Which of the following definitions is correct for the term 'Great Circles'? 

    • A.

      A line of latitude which divides the world into segments

    • B.

      An imaginary line which divides the world into hemispheres

    • C.

      A line of longitude that is 180 degrees

    • D.

      An imaginary line that is exactly the same distance from another imaginary line drawn on the globe

    Correct Answer
    B. An imaginary line which divides the world into hemispheres
    Explanation
    Great Circles are imaginary lines that divide the world into hemispheres. These circles are formed by the intersection of the Earth's surface with a plane that passes through the center of the Earth. Great Circles are the largest possible circles that can be drawn on a sphere, and they divide the sphere into two equal halves or hemispheres. Examples of Great Circles include the Equator and the lines of longitude.

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  • 12. 

    Each line of latitude is an equal distance of 111km from the next line of latitude. 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    This statement is true because lines of latitude are evenly spaced and each line is approximately 111 kilometers apart from the next line. This distance is a result of the Earth's circumference being divided into 360 degrees of longitude, with each degree being approximately 111 kilometers at the equator. Therefore, each line of latitude is an equal distance of 111 kilometers from the next line.

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  • 13. 

    111km is equal to how many miles? 

    Correct Answer
    69.4 miles
    Explanation
    To convert kilometers to miles, we use the conversion factor of 0.621371. Therefore, to convert 111km to miles, we multiply 111 by 0.621371, which gives us 69.4 miles.

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  • 14. 

    Which area of the earth receives the most sunlight? 

    Correct Answer
    The Equator
    Explanation
    The Equator receives the most sunlight because it is located at the center of the earth and is perpendicular to the sun's rays. This means that the sunlight falls directly on the Equator, resulting in more intense and direct sunlight compared to other areas on the earth. Additionally, the Equator experiences a consistent amount of sunlight throughout the year due to its location, which further contributes to it receiving the most sunlight.

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  • 15. 

    The International Dateline is at: 

    • A.

      160 degrees longitude

    • B.

      160 degrees latitude

    • C.

      180 degrees longittude

    • D.

      180 degrees latitude

    Correct Answer
    C. 180 degrees longittude
    Explanation
    The International Dateline is located at 180 degrees longitude. This imaginary line runs through the Pacific Ocean and serves as the dividing line between two consecutive calendar days. When crossing the dateline from west to east, you move the clock back 24 hours, while when crossing from east to west, you move the clock forward 24 hours. Therefore, countries located to the east of the dateline are ahead in time compared to countries located to the west.

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