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.

Front

How often does Earth rotate on its axis?

Back

Earth rotates once on its axis every 24 hours.

Front

What causes day and night on Earth?

Back

Day and night are caused by Earth's rotation on its axis, as different parts of Earth face the Sun or move away from it.

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

How long does it take for Earth to revolve around the Sun?

Back

It takes about 365 days for Earth to revolve around the Sun.

Front

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

Back

The rotation of Earth makes the Sun appear to move across the sky from east to west.

Front

What is a common misconception about the Sun's movement?

Back

A common misconception is that the Sun orbits around Earth, but it is actually Earth that rotates.

Front

What is the significance of the 24-hour cycle?

Back

The 24-hour cycle is significant because it defines the length of a day and night on Earth.

Front

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

Back

Point B is about to experience sunset as Earth rotates.

Front

Why do we observe changes in the Sun's position throughout the day?

Back

We observe changes in the Sun's position due to the rotation of Earth on its axis.