| A | B |
|---|
| A new moon occurs when | the moon is positioned between the earth and sun. |
| A full moon occurs when | the entire sunlit part of the moon is facing us. |
| The first and third quarter phases are | referred to as half moon. |
| A waxing moon occurs when | the sunlit portion is increasing. |
| A waning moon occurs when | the light continually decreases. |
 | This moon is in the first quarter. |
 | This is a full moon. |
 | This is a waning crescent moon. |
 | This is a new moon. We do not see the moon during this phase. |
 | This is a waxing crescent moon. |
 | This is a waning gibbous moon. |
| This is a waning crescent moon. |
 | This is a waxing gibbous moon. |
