Rotation and Revolution of Earth
Explore the concepts of Earth's rotation and revolution, their effects on day/night cycles, seasons, and the length of a year at a Grade 8 level.
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Rotation and Revolution of Earth
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Read each question carefully and answer to the best of your ability. Refer to your knowledge of Earth's rotation and revolution.
1. What phenomenon is primarily caused by Earth's rotation?
The changing of seasons
The cycle of day and night
The phases of the moon
The occurrence of eclipses
2. How long does it take for Earth to complete one revolution around the Sun?
24 hours
28 days
365.25 days
1 year
3. Earth's rotation on its axis causes the cycle of and .
4. The path Earth follows around the Sun is called its .
5. The tilt of Earth's axis, combined with its revolution, is responsible for the occurrence of .
6. Earth rotates from east to west.
True
False
7. A leap year occurs every four years because Earth's revolution takes exactly 365 days.
True
False
8. Describe the difference between Earth's rotation and revolution.
9. Explain how the tilt of Earth's axis impacts the length of day and night throughout the year in different hemispheres.
10. Observe the diagram below showing Earth's orbit around the Sun.
Based on the diagram, which position (A, B, C, or D) would represent summer in the Northern Hemisphere? Explain your reasoning.