| A | B |
| New Moon | "No moon" in the sky--lit side facing away from Earth |
| Waxing Moon | gets larger night by night |
| Waning Moon | gets smaller night by night |
| Moon revolution & rotation | about 28 days |
| Phases | shapes of the moon we see at different times |
| Full Moon | a "completely lit" moon in sky |
| Right | Waxing (daring) moons are lit on this side |
| Left | Waning (coy) moons are lit on this side |
| Crescent | curved "sliver" of a moon--face less than half lit |
| Gibbous | "humped" or disc shaped moon-face more than half lit |