Day and night
Definition
Day and night happen because the Earth rotates (spins) on its axis.
Main details
The Earth spins once in 24 hours.
The side of Earth facing the Sun has day.
The side of Earth facing away from the Sun has night.
The Sun does not move around the Earth to make day and night.
Earth’s rotation causes this change.
Examples
When it is day in India, it is night in America.
When the Sun rises in the morning, day begins.
When the Sun sets, night begins.
Interesting points
Earth rotates from west to east.
This rotation makes the Sun look like it rises in the east and sets in the west.
Fun fact
At any moment, half of the Earth is in day and the other half is in night.
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