Big Idea 5

Front

What is a New Moon?

Back

A New Moon is the phase of the Moon when it is not visible from Earth because it is positioned between the Earth and the Sun.

Front

How often does a New Moon occur?

Back

A New Moon occurs approximately every 29.5 days.

Front

What causes the Sun to appear to rise in the east and set in the west?

Back

The Sun appears to rise in the east and set in the west due to the rotation of the Earth on its axis.

Front

What is the rotation of the Earth?

Back

The rotation of the Earth is the spinning of the Earth around its axis, which takes about 24 hours to complete.

Front

What is the relationship between the Earth and the Sun?

Back

The Earth revolves around the Sun in an elliptical orbit, taking about 365.25 days to complete one full revolution.

Front

What is the duration of the Moon's phases?

Back

The Moon takes about one month to complete all of its phases, from New Moon to Full Moon and back.

Front

Why do stars appear to move in the night sky?

Back

Stars appear to move due to the rotation of the Earth, not because they are actually moving.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object around its axis, while revolution is the movement of one object around another object.

Front

What is a Full Moon?

Back

A Full Moon is the phase of the Moon when it is fully illuminated and visible from Earth, occurring when the Earth is between the Moon and the Sun.

Front

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

Back

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