Multiple choice

The movement of Earth around the sun is known as

  1. rotation

  2. revolution

  3. orbital plane

  4. circle of illumination
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Revolution refers to Earth's year-long orbital motion around the sun, taking approximately 365.25 days to complete one full revolution. This movement is responsible for the changing seasons because different parts of Earth receive varying amounts of sunlight throughout the year. In contrast, rotation is Earth's daily spinning on its axis (24 hours), orbital plane is the flat disc of Earth's orbit, and circle of illumination is the dividing line between day and night on Earth.

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