To complete this lesson, complete the following tasks:
- Study the lesson for mastery.
- Memorize all answers in bold.
- Earn a perfect score on the lesson Exam.
Read each question and study to memorize the answer. When all have been memorized, work to master the lesson exam.
120. What are the Polar Circles ?
The Polar Circles are two small circles running east and west.
121. Where are they placed ?
The Polar Circles are placed at the distance of 23 1/2 degrees from each Pole.
122. What are their names ?
The Arctic Circle is the northern polar circle, and the Antarctic Circle is the southern polar circle.
123. What are the Parallels ?
The Parallels are circles extending east and west.
124. How are they represented on the Maps ?
The Parallels are represented on the Maps by lines crossing from side to side.
125. What are the Meridians ?
The Meridians are circles extending from Pole to Pole through the Equator.
126. How are they represented on the Maps ?
The Meridians are represented on the Maps by lines extending from the top to the bottom.
127. How are geographical circles divided ?
A. Every circle is supposed to be divided into 360 degrees and every degree into 60 geographical miles or minutes.
128. What is the length of a degree of a great circle ?
A. The length of a degree of a great circle is sixty-nine and a quarter common miles.
129. How will you find the number of miles in any given number of degrees ?
A. You will find the number of miles in any given number of degrees by multiplying the degrees by 69 1/4.
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World Geography, Lesson 11 Exam