Activity

Aim : To investigate the occurence of day and night due to the rotation of the Earth.

Procedure:

1     A globe and an electric torch are used to carry out the activity.
2     The apparatus is set up as shown below.

3     The globe is spinned slowly from the west to the east.
4     The observations are recorded.

Observation:

Inferences:

1     The side of the globe facing towards the torch is lighted. The light represents daytime.
2     The side of the globe facing away from the torch is in darkness. The darkness represents night-time.

Conclusion:

The rotation of the Earth on its axis causes the occurrence of day and night.