5.8C Earth's Rotation

Front

What is Earth's axis?

Back

An imaginary line through the poles of Earth.

Front

What causes day and night on Earth?

Back

The rotation of the Earth on its axis.

Front

Why does the Sun appear to move across the sky?

Back

Because Earth rotates on its axis.

Front

How long does one rotation of the Earth on its axis take?

Back

About one day.

Front

How can a student model the day/night cycle using a lamp and a baseball?

Back

Rotate the baseball one time in 24 seconds.

Front

What is rotation?

Back

The spinning of an object around its own axis.

Front

What is revolution?

Back

The movement of one object around another object.

Front

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

Back

About one year.

Front

What is the difference between rotation and revolution?

Back

Rotation is spinning on an axis; revolution is moving around another object.

Front

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

Back

It creates the cycle of day and night.