Question

A. Answer the following questions orally.
1. What do we call the imaginary plane on which the earth's orbit lies?
2. How long does the earth take to complete onte rotation? Hus days and beau
3. How long does the earth take to complete one revolution?
4. How many days does a leap year have?
5. When does the sun seem to reach its northernmost position in the sky?
6. Give another name for the spring equinox.
B. Answer the following questions in not more than 20 words.
1. Define the axis of the earth.
2. Which places on the earth have six months of daylight and six months of darkness?
3. Where on the earth are seasonal changes least felt?
4. On which dates are days and nights of equal length all over the world?
C. Answer the following questions in not more than 40 words.
1. What do you understand by the inclination of the earth's axis?
2. How does a leap year occur?
3. What is equinox? What is its effect on the length of day and night?
4. What are the two things responsible for the change of seasons?​

Answer 1

Explanation:

A.

1. ecliptic plane

2.It takes 23 hours, 56 minutes and 4.0916 seconds for the Earth to turn once its axis.

3.365 days

4.366 days

5.June21

6.In the Northern Hemisphere, the March equinox is called the vernal or spring equinox.