5 Questions
What is the name of the imaginary line on which the Earth spins?
Axis
How long does it take for the Earth to complete one rotation around its axis?
24 hours
What is the circle that divides the day from night on the globe called?
Circle of illumination
What would happen if the Earth did not rotate?
The portion facing the sun would always experience day and warmth
What causes the change in length of daytime over a year in a particular region?
Change in tilt of Earth's axis
Learn about the formation of day and night on Earth due to its rotation on its axis and orbit around the sun. Understand the concept of the circle of illumination that divides the illuminated and dark halves of the Earth.
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