Astronomy

Front

What is the motion of Earth around the Sun called?

Back

Revolution.

Front

What effect does Earth's revolution around the Sun have on the planet?

Back

It affects the cycle of the seasons.

Front

What are the phases of the Moon?

Back

The phases include New Moon, First Quarter, Full Moon, and Last Quarter.

Front

What is an eclipse?

Back

An eclipse occurs when the Sun, Moon, and Earth are directly in line with each other.

Front

What is the term for the rotation of Earth on its axis?

Back

Rotation.

Front

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

Back

Approximately 24 hours.

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 is the significance of the First Quarter Moon phase?

Back

It is called 'First Quarter' because a quarter of the lunar phase is complete.

Front

What causes the seasons on Earth?

Back

The tilt of Earth's axis and its revolution around the Sun.

Front

What is the Full Moon phase?

Back

The phase when the entire face of the Moon is illuminated by the Sun.