How are day and night caused?

Why do places in the east get to see the sun first?

With the help of the diagram given, fill in the blanks:

1. In position Y, it is the _______________ season in the northern hemisphere and the _______________ season in the southern hemisphere.
2. In position Z, it is the _______________ season in the southern hemisphere and the _______________ season in the northern hemisphere.

Choose the correct words and fill up the blanks.

1. The fixed path which the earth takes to revolve around the sun is known as _____________.
   1. axis
   2. orbit
   3. tilt
   4. path
2. The earth takes _____________ days to revolve around the sun.
   1. 365
   2. 365¼
   3. 364
   4. 367
3. A leap year has _____________ days.
   1. 365
   2. 365¼
   3. 366
   4. 367
4. The word equinox means equal _____________.
   1. days
   2. months
   3. day and night
   4. night
5. On 21 March, we have _____________ equinox.
   1. spring
   2. autumn
   3. winter
   4. summer

Match the columns.