| A | B |
| new moon | the phase when the moon is in between the Sun and Earth, looks like darkness and has no light reflected |
| waxing | describes phases following a new moon, as more of the Moon's lighted side becomes visible, light on right side |
| waning | describes phases that occur after a full moon, as the visible lighted side of the Moon grows smaller, light on left side |
| lunar eclipse | when the shadow of Earth falls on the moon |
| solar eclipse | when the moon comes between Earth and the sun |
| full moon | the phase of the moon when Earth is between the moon and sun |
| crescent | the moon's shape when less than half of it is illuminated |
| gibbous | the moon's shape when more than half is illuminated |
| waxing crescent | Crescent on the right side, dark on the left. |
| first quarter | Lit on the right side, dark on the left. |
| waxing gibbous | Slightly dark on the left side, mostly lit on the right. |
| waning gibbous | A phase of the moon that comes after a full moon and before a last quarter moon where all of the moon is lit up except for a small bit on the right side of the moon that we can see. |
| third quarter | The waning phase of the moon viewed from Earth where the left half of the moon's lit side is visible |
| waning crescent | Crescent on the left side, dark on the right. |
| direct sunlight | Sunlight that is highly concentrated or focused; causes summer |
| Indirect Sunlight | Sunlight that has low concentration or is spread across a large area; causes winter |