Rotation and Revolution

Front

What is rotation?

Back

Rotation is the spinning of an object around its own axis. For example, the Earth rotates on its axis once every 24 hours.

Front

What is revolution?

Back

Revolution is the movement of one object around another object. For example, the Earth revolves around the Sun once every year.

Front

Why do globes lean sideways?

Back

To demonstrate the tilt of Earth's axis.

Front

What degree is the Earth tilted?

Back

23.5 degrees.

Front

What causes day and night?

Back

Day and night are caused by the Earth's rotation on its axis.

Front

When it is summer in the Northern Hemisphere, what season is it in the Southern Hemisphere?

Back

Winter.

Front

What is the axis of the Earth?

Back

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

Front

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

Back

It takes approximately 24 hours for the Earth to complete one rotation.

Front

How long does it take for the Earth to complete one revolution around the Sun?

Back

It takes approximately 365.25 days for the Earth to complete one revolution around the Sun.

Front

What is the effect of the Earth's tilt on seasons?

Back

The tilt of the Earth causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to the changing seasons.