Guide Questions: 1. Compare the length of day and night in both summer and winter seasons. 2. In June 21, compare the length of day and night in the Northern Hemisphere and Southern Hemisphere. 3. In December 21, compare the length of day and night in the Northern and Southern Hemisphere. 4. Why are there equal lengths of day and night on March 21 and on September 21? 5. Which seasons of the earth do lengths of days and nights equal on both Northern and Southern Hemisphere? 6. Explain the changes in length of day and night in the Northern Hemisphere on June 21 and on December 21. 7. If the earth's axis were not inclined, what would be the length of day and night in all places on earth at all times of the year?
Answers & Comments
Answer:
1.The north pole is in constant daylight when the northern half of earth is tilted toward the sun,the southern hermisphere is tilted away.People in the southern hermisphere experience the shorter day lenght and colder temperature of winter.