Movement in Space

Front

What event is believed to have led to the formation of the moon?

Back

A large object struck the Earth, and the ejected material from the collision combined to form the moon.

Front

What season begins on the first day of winter in New York State?

Back

Winter

Front

How often does Earth rotate on its axis?

Back

About once every day.

Front

How long does it take for Earth to revolve from one position to another in its orbit?

Back

It takes about 6 months to revolve from position A to position C.

Front

What is the duration of one complete revolution of Earth around the sun?

Back

About 1 year.

Front

What is the term for the path Earth takes around the sun?

Back

Orbit.

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 causes the change of seasons on Earth?

Back

The tilt of Earth's axis and its orbit around the sun.

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 significance of the equinox?

Back

It is the time when day and night are of equal length, marking the change of seasons.