Earth rotates once each day on its axis. Earth revolves around the Sun each year. The Sun is closest to Earth during the day. The tilt of Earth changes throughout the year.
I gave my students this multiple choice question: Which statement best explains Earth's day and night cycle?

Only one answer is correct among these 4 choices:
- Earth rotates once each day on its axis.
- Earth revolves around the Sun each year.
- The Sun is closest to Earth during the day.
- The tilt of Earth changes throughout the year.

Could you tell me which one is correct?

Earth rotates once each day on its axis.