Astronomy Test Review 2025

Front

What two factors affect gravity?

Back

Mass and distance.

Front

What is the term for the Earth's movement around its axis?

Back

Rotation.

Front

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

Back

24 hours.

Front

Which planet has a day/night cycle most similar to Earth’s?

Back

Mars.

Front

What is the angle of the Earth's axial tilt?

Back

23.5 degrees.

Front

Which planet has the strongest gravitational pull from the sun?

Back

Mercury.

Front

What is the term for the Earth's movement around the sun?

Back

Revolution.

Front

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

Back

365 days.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of the Earth on its axis; revolution is the orbit of the Earth around the sun.

Front

What causes day and night on Earth?

Back

The rotation of the Earth on its axis.