5.8C Earth's Rotation

Front

What is Earth's rotation?

Back

Earth's rotation is the spinning of Earth on its axis, which takes about 24 hours to complete one full turn.

Front

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

Back

It takes about 24 hours for Earth to complete one rotation.

Front

What causes day and night on Earth?

Back

Day and night are caused by Earth's rotation on its axis, which allows different parts of Earth to face the Sun or be in shadow.

Front

What is the approximate time between one sunrise and the next?

Back

About 24 hours.

Front

If one second equals one hour, how should a student model one day/night cycle on Earth?

Back

The student should rotate the baseball one time in 24 seconds.

Front

What is the effect of Earth's rotation on the Sun's position in the sky?

Back

As Earth rotates, the Sun appears to move across the sky, causing changes in its position throughout the day.

Front

What is the axis of Earth?

Back

The axis of Earth is an imaginary line that runs from the North Pole to the South Pole, around which Earth rotates.

Front

What is the difference between rotation and revolution?

Back

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

Front

What happens at point B in the diagram of Earth's rotation?

Back

Point B is about to experience sunset as it moves out of the Sun's light.

Front

What is the role of the Sun in the day/night cycle?

Back

The Sun provides light to Earth, and as Earth rotates, different areas receive sunlight, creating day and night.