Front

How long is a day on Earth?

Back

24 hours

Front

What causes day and night on Earth?

Back

The rotation of Earth on its axis.

Front

How long does it take for the Earth to complete one rotation?

Back

One day

Front

What is the term for the Earth spinning on its axis?

Back

Rotation

Front

What happens when the Earth spins on its axis?

Back

Day and night occur.

Front

What is the axis of the Earth?

Back

An imaginary line that runs from the North Pole to the South Pole.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis; revolution is the movement of Earth around the Sun.

Front

What is the effect of Earth's rotation on time?

Back

It creates a cycle of day and night, dividing the 24-hour day.

Front

What is the speed of Earth's rotation at the equator?

Back

About 1,670 kilometers per hour (1,040 miles per hour).

Front

What is the significance of Earth's tilt during rotation?

Back

It causes the seasons to change throughout the year.