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Moon Vocabulary
Vocab for Moon test
| Term | Definition |
|---|---|
| Moon Phase | Changing appearance of the moon |
| Eclipse | Passing into the shadow of another |
| Crater | Formed by rocky objects hitting the surface |
| Tides | Change of water level due to gravity pull |
| Ray | Streaks of material outward from the crater |
| Perigee | the point in the moon's orbit closest to Earth |
| Apogee | the point in the moon's orbit farthest from Earth |
| Orbital Period | Revolution of the moon around the Earth |
| Solar Eclipse | Moon is directly between the Earth and Sun |
| Lunar Eclipse | Earth is directly between the Moon and Sun |
| Comet | Small body of ice, rock and dust. Tail points away from sun |
| Solar System | A system of planets orbiting a star. |
| Blue Moon | Full moon twice a month |
| Waxing Moon | illuminated area increasing after a new moon |
| Waning Moon | illuminated are decreasing after a full moon |
| Earth's Tilt | Causes the Earth's Seasons |