When no part of the moon on which the sun shines is towards the earth, how does the moon appear?
We do not see the moon at all, and we say there is no moon.
When a small part of the moon on which the sun shines is first turned towards the earth, what is it called?
It is called the New Moon.
Does the lighted part of the moon grow?
It seems to grow larger and larger, until the whole of the moon is lighted.
What is it then called?
It is then called the Full Moon.
What then takes place?
It seems to grow smaller and smaller, until the whole of the lighted part is gone.