Available Answers

1. 1.

   How are day and night caused?

2. 2.

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

3. 3.

   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.
4. 4.

   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
5. 5.

   Match the columns.

   A	B
   1. Axis	a. Leap year
   2. Orbit	b. Imaginary line on which the earth spins
   3. The year 2024	c. Winter solstice
   4. 21 June	d. Path on which the earth revolves around the sun
   5. 22 December	e. Summer solstice

    

6. 6.

   State whether true or false. Rewrite the false statements correctly.

   1. The two movements of the earth are rotation and revolution.
   2. The country that is known as the 'Land of the Rising Sun' is India.
   3. Rotation causes seasons.
   4. The main effect of revolution is that it causes day and night.
   5. Seasons are caused due to the revolution of the earth around the sun and also due to the tilt of the earth's axis.