| A | B |
|---|
| Inertia | tendency of an object to stay in motion in a straight line |
| Gravity depends on | Mass and distance |
| Summer Solistice | Sun is farthest South in Southern Hemisphere |
| We see our moon because | the Sun reflects off its surface |
| Meteor | meteoroid that enters Earth's atmosphere and produces a streak of light |
| Earth and Moon orbit because | inertia and gravity |
| orbit | path taken as an object revolves |
| Earth's rotation | causes day and night |
| Waxing moon | you can see more and more of the lit side of the moon; New Moon to Full Moon |
| Waning moon | you see less of the lit portion of moon each night; Full Moon to New Moon |
| highlands | lighter portions of moon; mountain ranges |
| 1st and 3rd quarters | see the same amount of lit moon |
| Equinox | equal night |
| Constellation | pattern made with stars in night sky |
