Earth's Rotation and Day/Night Cycle

What is the name for the imaginary line that goes through the middle of Earth and helps it spin?

• Orbit

• Equator

• Axis

• Circle

What makes day and night happen on Earth?

• The Moon moving around Earth.

• The Sun moving around Earth.

• Earth spinning around itself.

• Clouds covering the sky.

When a part of Earth is facing the Sun, what time of day is it there?

• Nighttime

• Daytime

• Evening

• Morning

How long does it take for Earth to spin around one full time to make one day and one night?

• 12 hours

• 24 hours

• 7 days

• 365 days

Which planet has a day that is much, much longer than an Earth day?

• Jupiter

• Mars

• Venus

• Saturn