10 Questions
The Earth rotates on its axis and completes one full rotation every ________ hours.
24
Earth's path around the sun is called Earth's _________.
orbit
The axis of the Earth is tilted at an angle of ________ degrees.
23.5
When the side of the Earth facing the Sun experiences daytime, the side facing away experiences ________.
night-time
The seasons are created due to the Earth's revolution and the tilt of its ________.
axis
The Earth takes about ______ to revolve around the Sun.
365¼ days
An extra day, ______, is added to our calendar every fourth year, which is called a leap year.
29 February
The Earth's rotation causes ______ and night.
day
The combination of the Earth's revolution and the tilt of its ______ causes the seasons.
axis
From Earth, it appears that the ______ moves across the sky during the day, but it is actually the Earth rotating.
sun
Study Notes
Earth's Rotation and Revolution
- Earth's rotation takes 24 hours or one day with respect to the Sun, or 23 hours, 56 minutes, and 4 seconds with respect to the stars.
- Earth's rotation causes day and night, as the side facing the Sun experiences daytime, while the side facing away from the Sun experiences nighttime.
Earth's Revolution
- Earth's revolution takes 365¼ days, with an extra day added to the calendar every 4 years, making it a leap year.
- Earth's revolution causes the seasons, due to the combination of the Earth's revolution and the tilt of the axis.
- The axis is an imaginary line through the center of the Earth, extending from north to south, and is tilted at an angle of 23.5 degrees.
- The Earth's orbit is in an elliptical shape, and it takes 365 days to complete one orbit around the Sun.
Important Notes
- From Earth, it appears that the Sun moves across the sky, but it's actually the Earth rotating.
- When the southern hemisphere is tilted away from the Sun, it experiences winter, and when tilted towards the Sun, it experiences summer.
Test your knowledge on Earth's rotation and revolution with this quiz. Learn about the differences between rotation and revolution, how they impact day and night and the changing seasons. Discover interesting facts about the movement of the Earth in space.
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